CN204324270U - A kind of sealing idler roller - Google Patents
A kind of sealing idler roller Download PDFInfo
- Publication number
- CN204324270U CN204324270U CN201420726450.4U CN201420726450U CN204324270U CN 204324270 U CN204324270 U CN 204324270U CN 201420726450 U CN201420726450 U CN 201420726450U CN 204324270 U CN204324270 U CN 204324270U
- Authority
- CN
- China
- Prior art keywords
- roller
- ring
- sealing
- roll shaft
- capping
- 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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- Sealing Of Bearings (AREA)
- Sealing With Elastic Sealing Lips (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model belongs to supporting roller sealing technical field, is specifically related to the support roller device that a kind of leak tightness is good, aims to provide a kind of leak tightness good, and structure is simple, and cost is lower, the carrying roller sealing structure of long service life, a kind of sealing idler roller, comprise roller and roll shaft, the two ends of roll shaft are installed in roller, the two ends of roll shaft are connected by sealing arrangement with between roller, seal ring in sealing arrangement comprises inner circle sealing lip and cylindrical sealing lip, spiral wire is pressed with in inner circle sealing lip, spiral wire has the trend to diametric(al) spreading, cylindrical seal ring only has ring fillister, spring-pulling ring is provided with in interior circular groove, spring-pulling ring has the trend of shrinking to internal diameter direction, the two ends of roller carrier shaft can seal by seal ring preferably, dust can be prevented, the Korrosionsmedium such as gas and liquid enters carrying roller inside and damages bearing, noise is little, running is stable, long service life, be the 2-4 in common carrying roller service life doubly.
Description
Technical field
The utility model belongs to supporting roller sealing technical field, is specifically related to the support roller device that a kind of leak tightness is good.
Background technology
Carrying roller is the vitals on conveyer, bears most resistance, and therefore the importance of quality to conveyer of carrying roller is self-evident.Carrying roller in the market adopts bearing to install roll shaft and roller usually, the carrying roller of this structure, its life-span is directly by the impact of bearing life, and the sealing property of carrying roller is directly connected to the service life of bearing, usually common rubber seal is set at the two ends of carrying roller in prior art, the sealing property of this hermetically-sealed construction is poor, has had a strong impact on the service life of carrying roller; Also there is other hermetically-sealed construction in prior art, these hermetically-sealed constructions are usually comparatively complicated, and cost is often higher.
Utility model content
The utility model overcomes the deficiency that prior art exists, and aims to provide a kind of leak tightness good, and structure is simple, and cost is lower, the carrying roller sealing structure of long service life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of sealing idler roller, comprises roller and roll shaft, and the two ends of described roll shaft are installed in roller, and the two ends of roll shaft are connected by sealing arrangement with between roller.
Wherein, the concrete structure of described sealing arrangement is: the end of described roller has stepped hole, described stepped hole internal fixtion is embedded with bearing mounting base, bearing is set with in described bearing mounting base, bearing inner sleeve dress roll shaft, the outside of bearing is provided with cover of dust, the outside of described cover of dust is provided with back-up ring, the outside of back-up ring is provided with capping, the inner edge of the centre hole of described cover of dust is fixedly connected with a circle rubber ring, on described roll shaft, the position of corresponding described rubber ring is provided with the groove of accommodating described rubber ring, capping is threaded with described roll shaft, the outer rim of described capping has arc convex portion, the position in the corresponding described arc convex portion of described roller is provided with the deep-slotted chip breaker of accommodating described arc convex portion, the inner side of described capping is provided with flange near the inwall of described bearing mounting base.
Wherein, described seal ring comprises inner circle sealing lip and cylindrical sealing lip, spiral wire is pressed with in inner circle sealing lip, spiral wire has the trend to diametric(al) spreading, cylindrical sealing lip only has ring fillister, be provided with spring-pulling ring in interior circular groove, spring-pulling ring has the trend of shrinking to internal diameter direction.
Wherein, described cover of dust is fitted the outer ring of described bearing, and is gripped by described back-up ring.
Wherein, the outside of described capping is provided with convenient location division of rotating described capping, and the interstice coverage between described arc convex portion and described deep-slotted chip breaker is 0.15mm-0.25mm.
Wherein, grease seal between described arc convex portion and described deep-slotted chip breaker, the interstice coverage between described rubber ring and described groove is 0.15mm-0.25mm.
Wherein, grease seal between described rubber ring and described groove.
The utility model compared with prior art has following beneficial effect: the utility model structure is simple, good airproof performance, and seal ring is under the effect of spiral wire and spring-pulling ring, the two ends of roller carrier shaft can be sealed preferably, can prevent the Korrosionsmediums such as dust, gas and liquid from entering carrying roller inside and damaging bearing, noise is little, and running is stable, long service life, be the 2-4 in common carrying roller service life doubly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of sealing arrangement in Fig. 1.
Fig. 3 is the structural representation of seal ring in Fig. 1.
In figure: 1 is roll shaft, 2 is roller, and 3 is bearing mounting base, 4 is bearing, and 5 is cover of dust, and 6 is back-up ring, 7 is capping, and 8 is rubber ring, and 9 is groove, 10 is deep-slotted chip breaker, and 11 is arc convex portion, and 12 is flange, 13 is location division, and 81 is inner ring sealing lip, and 82 is cylindrical sealing lip, 83 is spiral wire, and 84 is ring fillister, and 85 is spring-pulling ring.
Detailed description of the invention
Be described in further detail the utility model by reference to the accompanying drawings now, accompanying drawing is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As Figure 1-3, a kind of sealing idler roller, comprises roller 2 and roll shaft 1, and the two ends of described roll shaft 1 are installed in roller 2, and the two ends of roll shaft 1 are connected by sealing arrangement with between roller 2.
As preferably, the concrete structure of described sealing arrangement is: the end of described roller 2 has stepped hole, described stepped hole internal fixtion is embedded with bearing mounting base 3, bearing 4 is set with in described bearing mounting base 3, suit roll shaft 1 in bearing 4, the outside of bearing 4 is provided with cover of dust 5, the outside of described cover of dust 5 is provided with back-up ring 6, the outside of back-up ring 6 is provided with capping 7, the inner edge of the centre hole of described cover of dust 5 is fixedly connected with a circle rubber ring 8, on described roll shaft 1, the position of corresponding described rubber ring 8 is provided with the groove 9 of accommodating described rubber ring 8, capping 7 is threaded with described roll shaft 1, the outer rim of described capping 7 has arc convex portion 11, the position in the corresponding described arc convex portion 11 of described roller 2 is provided with the deep-slotted chip breaker 10 of accommodating described arc convex portion 11, the inner side of described capping 7 is provided with flange 12 near the inwall of described bearing 4 mount pad 3, good airproof performance, long service life, running is stable.
As preferably, described seal ring comprises inner circle sealing lip 81 and cylindrical sealing lip 82, spiral wire 83 is pressed with in inner circle sealing lip 81, spiral wire 83 has the trend to diametric(al) spreading, cylindrical sealing lip 82 only has ring fillister 84, is provided with spring-pulling ring 85 in interior circular groove, spring-pulling ring 85 has the trend of shrinking to internal diameter direction, the good airproof performance of seal ring, roll shaft 1 and roller 2 are installed stable, and extraneous impurity can not enter in roller 2.
As preferably, described cover of dust 5 is fitted the outer ring of described bearing 4, and is gripped by described back-up ring 6.
As preferably, the outside of described capping 7 is provided with convenient location division 13 of rotating described capping 7, and the interstice coverage between described arc convex portion 11 and described deep-slotted chip breaker 10 is 0.15mm-0.25mm.
As preferably, grease seal between described arc convex portion 11 and described deep-slotted chip breaker 10, the interstice coverage between described rubber ring 8 and described groove 9 is 0.15mm-0.25mm.
As preferably, grease seal between described rubber ring 8 and described groove 9, avoids into water.
Claims (5)
1. a sealing idler roller, is characterized in that, comprises roller (2) and roll shaft (1), and the two ends of described roll shaft (1) are installed in roller (2), and the two ends of roll shaft (1) are connected by sealing arrangement with between roller (2);
The concrete structure of described sealing arrangement is: the end of described roller (2) has stepped hole, described stepped hole internal fixtion is embedded with bearing mounting base (3), bearing (4) is set with in described bearing mounting base (3), suit roll shaft (1) in bearing (4), the outside of bearing (4) is provided with cover of dust (5), the outside of described cover of dust (5) is provided with back-up ring (6), the outside of back-up ring (6) is provided with capping (7), the inner edge of the centre hole of described cover of dust (5) is fixedly connected with a circle rubber ring (8), the position of the upper corresponding described rubber ring (8) of described roll shaft (1) is provided with the groove (9) of the described rubber ring of collecting (8), capping (7) is threaded with described roll shaft (1), the outer rim of described capping (7) has arc convex portion (11), the position of the corresponding described arc convex portion (11) of described roller (2) is provided with the deep-slotted chip breaker (10) of accommodating described arc convex portion (11), the inner side of described capping (7) is provided with flange (12) near the inwall of described bearing mounting base (3),
Described seal ring comprises inner circle sealing lip (81) and cylindrical sealing lip (82), spiral wire (83) is pressed with in inner circle sealing lip (81), spiral wire (83) has the trend to diametric(al) spreading, cylindrical sealing lip (82) only has ring fillister (84), be provided with spring-pulling ring (85) in interior circular groove, spring-pulling ring (85) has the trend of shrinking to internal diameter direction.
2. a kind of sealing idler roller as claimed in claim 1, is characterized in that, described cover of dust (5) is fitted the outer ring of described bearing (4), and is gripped by described back-up ring (6).
3. a kind of sealing idler roller as claimed in claim 2, it is characterized in that, the outside of described capping (7) is provided with convenient location division (13) of rotating described capping (7), and the interstice coverage between described arc convex portion (11) and described deep-slotted chip breaker (10) is 0.15mm-0.25mm.
4. a kind of sealing idler roller as claimed in claim 2, is characterized in that, grease seal between described arc convex portion (11) and described deep-slotted chip breaker (10), and the interstice coverage between described rubber ring (8) and described groove (9) is 0.15mm-0.25mm.
5. a kind of sealing idler roller as described in claim 3 or 4, is characterized in that, grease seal between described rubber ring (8) and described groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726450.4U CN204324270U (en) | 2014-11-28 | 2014-11-28 | A kind of sealing idler roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726450.4U CN204324270U (en) | 2014-11-28 | 2014-11-28 | A kind of sealing idler roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204324270U true CN204324270U (en) | 2015-05-13 |
Family
ID=53160653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420726450.4U Expired - Fee Related CN204324270U (en) | 2014-11-28 | 2014-11-28 | A kind of sealing idler roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204324270U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080858A (en) * | 2015-08-06 | 2015-11-25 | 合肥安晶龙电子股份有限公司 | Roller of color selector |
| CN107941315A (en) * | 2017-10-28 | 2018-04-20 | 东台市凯润精密机械股份有限公司 | A kind of high-accuracy transmission roll of weighing |
| CN113829165A (en) * | 2021-05-17 | 2021-12-24 | 海南鑫祥龙石业股份有限公司 | Stone cutting machine |
-
2014
- 2014-11-28 CN CN201420726450.4U patent/CN204324270U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080858A (en) * | 2015-08-06 | 2015-11-25 | 合肥安晶龙电子股份有限公司 | Roller of color selector |
| CN105080858B (en) * | 2015-08-06 | 2018-01-09 | 合肥安晶龙电子股份有限公司 | Color selector roller |
| CN107941315A (en) * | 2017-10-28 | 2018-04-20 | 东台市凯润精密机械股份有限公司 | A kind of high-accuracy transmission roll of weighing |
| CN113829165A (en) * | 2021-05-17 | 2021-12-24 | 海南鑫祥龙石业股份有限公司 | Stone cutting machine |
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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: 20150513 Termination date: 20191128 |