CN105460544B - Non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device - Google Patents
Non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device Download PDFInfo
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- CN105460544B CN105460544B CN201511030342.9A CN201511030342A CN105460544B CN 105460544 B CN105460544 B CN 105460544B CN 201511030342 A CN201511030342 A CN 201511030342A CN 105460544 B CN105460544 B CN 105460544B
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- Prior art keywords
- seal
- shaft
- interior
- seat
- shaft seal
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors
- B65G39/02—Adaptations of individual rollers and supports therefor
- B65G39/09—Arrangements of bearing or sealing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, including central shaft, roller is set with central shaft, bearing block is installed between the both ends of roller and central shaft, bearing is installed in bearing block, close-fitting seat sealing device is installed in the bearing block on the outside of bearing, close-fitting shaft sealer is installed on central shaft, seat sealing device includes interior seat seal and outer seat seal, shaft sealer includes interior shaft seal and outer shaft seal, along stretching between interior seat seal and outer seat seal, simultaneously gap coordinates for the periphery of interior shaft seal, the inner edge of outer seat seal is stretched between interior shaft seal and outer shaft seal and gap coordinates；Interior seat seal, interior shaft seal, outer seat seal and outer shaft seal are staggered, and form multi-stage sealed, good sealing effect；Mutual gap coordinates between each seal, does not interfere with the rotation of carrying roller, extends the service life of carrying roller.
Description
Technical field
The present invention relates to a kind of mechanical transport part, more particularly to a kind of sealing device of carrying roller.
Background technology
Rubber conveyer is general serial product, can be widely used for metallurgy, mine, coal, harbour, power station, building materials, change
The industry-by-industries such as work, light industry, oil, belong to the product having a large capacity and a wide range.Carrying roller is carried on supporting belt and conveyer belt
Material, to ensure the device of conveyer belt stable operation, it acts on can not be substituted in a device, and dosage is big, again belong to consumable accessory.
The quality of carrying roller quality directly affects the normal use of equipment.And carrying roller directly affects support with the quality of seal
The service life of roller.
Its structure of existing carrying roller sealing is typically by inner seal ring, exterior seal ring, seal disc, inner shield ring, outer back-up ring, V
The compositions such as sealing ring, cover lid.Some considers sealing effectiveness, but adds roller rotational resistance；Some reduces roller rotation
Resistance, sealing effectiveness are undesirable；Existing carrying roller sealing part is more, to production, assembling, safeguard bring it is many not
Just, manufacturing cost is also increased.
The content of the invention
It is excellent, easy for installation and simple to operate non-that the technical problems to be solved by the invention are to provide a kind of sealing property
Contact symmetrical labyrinth type water proof and dust proof carrier roller sealing device.
In order to solve the above technical problems, the technical scheme is that：Non-contact symmetric labyrinth type water proof and dust proof carrying roller is close
Seal apparatus, including central shaft, roller is set with the central shaft, is provided between the both ends of the roller and the central shaft
Bearing block, is provided with bearing in the bearing block, and it is close to be provided with close-fitting seat in the bearing block on the outside of the bearing
Seal apparatus, is provided with close-fitting shaft sealer on the central shaft, the seat sealing device include interior seat seal and
Outer seat seal, the shaft sealer include interior shaft seal and outer shaft seal, and the periphery edge of the interior shaft seal is stretched
Enter between the interior seat seal and the outer seat seal and gap coordinates, the inner edge of the outer seat seal is stretched into described
Between interior shaft seal and the outer shaft seal and gap coordinates；
Some extend towards and stagger distance is equipped with the forward surface of the interior seat seal and the interior shaft seal
The ring packing teeth of cooperation；Be equipped with the forward surface of the interior shaft seal and the outer seat seal it is some extend towards and
The ring packing teeth that stagger distance coordinates；The uniform forward surface of the outer seat seal and the outer shaft seal is provided with some
Extend towards and stagger distance coordinate ring packing teeth；The ring packing teeth of the interior shaft seal both sides is symmetrical arranged.
As a kind of perferred technical scheme, the outer seat seal is provided with towards the outer shaft seal periphery edge
Extend out guiding surface.
As a kind of perferred technical scheme, the outer shaft seal outer face is provided with to its periphery along inclined interior receipts
Guiding surface.
As a kind of perferred technical scheme, it is provided with the central shaft on the outside of the outer shaft seal for locking
The jump ring of the shaft sealer.
By adopting the above-described technical solution, non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, including center
Axle, roller is set with the central shaft, bearing block, the bearing are installed between the both ends of the roller and the central shaft
Bearing is installed in seat, close-fitting seat sealing device, the center are installed in the bearing block on the outside of the bearing
Close-fitting shaft sealer is installed, the seat sealing device includes interior seat seal and outer seat seal, described on axle
Shaft sealer includes interior shaft seal and outer shaft seal, and the interior seat seal is stretched on the periphery edge of the interior shaft seal
Between the outer seat seal and gap coordinates, and the interior shaft seal and described is stretched into the inner edge of the outer seat seal
Between outer shaft seal and gap coordinates；Interior seat seal, interior shaft seal, outer seat seal and outer shaft seal are staggeredly set
Put, form multi-stage sealed, good sealing effect；Mutual gap coordinates between each seal, does not interfere with the rotation of carrying roller, extends
The service life of carrying roller.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is enlarged drawing at I in Fig. 1；
In figure：11- central shafts；12- rollers；13- bearing blocks；14- bearings；Seat seal in 21-；The outer seat seals of 22-；
Shaft seal in 31-；The outer shaft seals of 32-；4- ring packing teeths；5- extends out guiding surface；Guiding surface is received in 6-；7- cards
Spring.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As depicted in figs. 1 and 2, non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, including central shaft 11, it is described
Roller 12 is set with central shaft 11, bearing block 13 is installed between the both ends of the roller 12 and the central shaft 11, it is described
Bearing 14 is installed in bearing block 13, close-fitting seat sealing dress is installed in the bearing block 13 in the outside of bearing 14
Put, close-fitting shaft sealer is installed on the central shaft 11, the seat sealing device includes the interior He of seat seal 21
Outer seat seal 22, the shaft sealer include interior shaft seal 31 and outer shaft seal 32, the interior shaft seal 31
Periphery edge is stretched between the interior seat seal 21 and the outer seat seal 22 and gap coordinates, the outer seat seal 22
Inner edge is stretched between the interior shaft seal 31 and the outer shaft seal 32 and gap coordinates.
Be equipped with the forward surface of the interior seat seal 21 and the interior shaft seal 31 it is some extend towards and staggeredly
The ring packing teeth 4 that gap coordinates.The interior shaft seal 31 is some with being equipped with the forward surface of the outer seat seal 22
Extend towards and stagger distance coordinate ring packing teeth 4.The outer seat seal 22 and the outer shaft seal 32 it is uniform
Forward surface be provided with it is some extend towards and stagger distance coordinate ring packing teeth 4, the ring of the interior both sides of shaft seal 31
Shape sealing tooth 4 is symmetrical arranged；The outer seat seal 22 is provided with towards the outer periphery edge of shaft seal 32 and extends out guiding
Inclined-plane 5.
The interior seat seal 21, the interior shaft seal 31 and the outer seat seal 22 composition interior sealing chamber, it is described
Outer seat seal 22 and the outer shaft seal 32 composition external seal chamber, because the interior shaft seal 31 is symmetrical structure, institute
Within annular seal space form symmetrical cavity centered on the interior shaft seal 31；Roller 12 is driven in the rotation process of bearing block 13,
In the presence of the field of force, being symmetrical arranged for interior shaft seal 31 enables its both sides to reach poised state faster, profit
In the stable operation of roller 12.
The outer face of outer shaft seal 32 be provided with to its periphery along it is inclined it is interior receipts guiding surface 6.The outer shaft is close
Jump ring 7 for locking the shaft sealer is installed on the central shaft 11 in the outside of sealing 32.
Operation principle is：After roller 12 and bearing block 13 are welded, central shaft 11 is loaded, bearing 14 is then pressed into axle
After bearing 13, the interior seat seal 21 assembled, outer seat seal 22, interior shaft seal 31 and outer shaft seal 32 are pressed together
Enter in bearing block 13, then jump ring 7 is installed and locked, at this moment interior seat seal 21, interior shaft seal 31 and outer seat seal 22 are formed
Multiple labyrinth, the sealing function of inside is played, and outer seat seal 22 and outer shaft seal 32 form the labyrinth seal of outside, outside
The radial outer edge of seat seal 22 is fitted close with bearing block 13, prevents the immersion of dust and water, outer seat seal 22 with it is outer
It is round and smooth boss at the cooperation of shaft seal 32, dust, water can be effectively thrown away during operating, it is preferably dust-proof anti-so as to reach
Water effect.
The present invention is the newest development of new high performance water proof dust seal of my company, and through many experiments, this is sealed in immersion
In dust test, its performance and parameter are all far superior to national standard, and rotational resistance is also better than national Specification,
It is a kind of ideal supporting roller sealing, there is easy for installation, simple to operate and function admirable.It is a kind of be worth energetically
The novel high-performance sealing of popularization.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, including central shaft, roller is set with the central shaft,
Bearing block is installed between the both ends of the roller and the central shaft, bearing is installed in the bearing block, it is characterised in that：
Close-fitting seat sealing device is installed in the bearing block on the outside of the bearing, is provided with the central shaft and closely matches somebody with somebody
The shaft sealer of conjunction, the seat sealing device include interior seat seal and outer seat seal, and the shaft sealer includes interior
The interior seat seal and the outer seat seal are stretched into shaft seal and outer shaft seal, the periphery edge of the interior shaft seal
Between and gap coordinate, the inner edge of the outer seat seal is stretched between the interior shaft seal and the outer shaft seal simultaneously
Gap coordinates；
Be equipped with the forward surface of the interior seat seal and the interior shaft seal it is some extend towards and stagger distance coordinate
Ring packing teeth；Some extend towards and staggeredly is equipped with the forward surface of the interior shaft seal and the outer seat seal
The ring packing teeth that gap coordinates；The uniform forward surface of the outer seat seal and the outer shaft seal is provided with some opposite
The ring packing teeth that extension and stagger distance coordinate；The ring packing teeth of the interior shaft seal both sides is symmetrical arranged；
The outer seat seal is provided with towards the outer shaft seal periphery edge and extends out guiding surface；
The outer shaft seal outer face is provided with to its periphery along inclined interior receipts guiding surface.
2. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, it is characterised in that：It is described outer
Jump ring for locking the shaft sealer is installed on the central shaft on the outside of shaft seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030342.9A CN105460544B (en) | 2015-12-31 | 2015-12-31 | Non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511030342.9A CN105460544B (en) | 2015-12-31 | 2015-12-31 | Non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105460544A CN105460544A (en) | 2016-04-06 |
| CN105460544B true CN105460544B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511030342.9A Active CN105460544B (en) | 2015-12-31 | 2015-12-31 | Non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105460544B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915593B (en) * | 2017-02-21 | 2022-11-25 | 青岛正泰物流器械有限公司 | Supporting roller |
| CN108820757A (en) * | 2018-08-07 | 2018-11-16 | 兖矿东华重工有限公司 | Seal assembly, bearing block and carrying roller |
| US10981727B1 (en) | 2020-01-27 | 2021-04-20 | NHI Mechanical Motion, LLC | Conveyor idler and support structure and methods for constructing the same |
| USD957784S1 (en) | 2020-05-26 | 2022-07-12 | NHI Mechanical Motion, LLC | Conveyor idler support structure |
| USD974693S1 (en) | 2020-05-26 | 2023-01-03 | NHI Mechanical Motion, LLC | Conveyor idler |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627048C2 (en) * | 1996-07-05 | 1999-02-25 | Artur Kuepper Gmbh & Co Kg | Idler |
| CN201068979Y (en) * | 2007-07-09 | 2008-06-04 | 董世军 | Roller bearing seal device |
| CN201634201U (en) * | 2009-12-28 | 2010-11-17 | 于波涛 | Sealing device for carrier roller bearing |
| CN203410994U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Quick-mounting waterproof carrier roller |
| CN203410993U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Novel waterproof supporting roll |
| US9133940B1 (en) * | 2014-09-12 | 2015-09-15 | John Taylor | Unidirectional labyrinth seal |
| CN204751362U (en) * | 2015-06-17 | 2015-11-11 | 扬州欧海机械有限公司 | Antimagnetic antistatic combined material bearing roller of corrosion resistant that excels in |
| CN205471324U (en) * | 2015-12-31 | 2016-08-17 | 日照长运工业输送设备有限公司 | Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth |
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2015
- 2015-12-31 CN CN201511030342.9A patent/CN105460544B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105460544A (en) | 2016-04-06 |
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