CN205471324U - Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth - Google Patents
Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth Download PDFInfo
- Publication number
- CN205471324U CN205471324U CN201521139155.XU CN201521139155U CN205471324U CN 205471324 U CN205471324 U CN 205471324U CN 201521139155 U CN201521139155 U CN 201521139155U CN 205471324 U CN205471324 U CN 205471324U
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- CN
- China
- Prior art keywords
- seal
- interior
- shaft seal
- shaft
- seat
- 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 Devices (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth, the portable power supply adapter comprises a central shaft, the cover is equipped with the roller on the center pin, install the bearing frame between the both ends of roller and the center pin, install the bearing in the bearing frame, install the seat sealing device who closely cooperates in the bearing frame in the bearing outside, install the shaft sealing mechanism who closely cooperates on the center pin, seat sealing device includes interior seat sealing member and outer seat sealing member, shaft sealing mechanism includes interior shaft seal piece and outer shaft seal piece, the periphery of interior shaft seal piece is along stretching into between interior seat sealing member and the outer seat sealing member and clearance fit, the interior week of outer seat sealing member is along stretching into between interior shaft seal piece and the outer shaft seal piece and clearance fit, interior seat sealing member, interior shaft seal piece, outer seat sealing member and the crisscross setting of outer shaft seal piece form multistage sealedly, sealed effectual, mutual clearance fit can not influence the rotation of bearing roller between each sealing member, prolongs the life of bearing roller.
Description
Technical field
This utility model relates to a kind of mechanical transport parts, particularly relates to the sealing device of a kind of carrying roller.
Background technology
Rubber conveyer is general serial product, can be widely used for metallurgy, mine, coal, harbour,
The industry-by-industries such as power station, building materials, chemical industry, light industry, oil, belong to the product having a large capacity and a wide range.Carrying roller is
The material carried on supporting belt and conveyer belt, to ensure the dress of conveyer belt stable operation
Putting, it acts in a device and can not be substituted, and consumption is big, belongs to again consumable accessory.
The quality of carrying roller quality directly affects the normal use of equipment.And the quality of carrying roller sealing member
Directly affect the service life of carrying roller.
Its structure of existing carrying roller sealing is typically by inner seal ring, exterior seal ring, seal disc, interior gear
Circle, outer back-up ring, V sealing ring, cover cap etc. form.Have considers sealing effectiveness, but adds roller
Sub-rotational resistance；Have reduces roller rotational resistance, and sealing effectiveness is the most undesirable；Existing carrying roller
Sealing member part is more, is brought inconvenience to producing, assemble, safeguarding, too increases and be manufactured into
This.
Utility model content
It is excellent, easy for installation that technical problem to be solved in the utility model is to provide a kind of sealing property
And non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device simple to operate.
For solving above-mentioned technical problem, the technical solution of the utility model is: non-contact symmetric labyrinth type
Water proof and dust proof carrier roller sealing device, including central shaft, described central shaft is set with roller, described roller
Between two ends and the described central shaft of cylinder, bearing block is installed, bearing, institute are installed in described bearing block
Close-fitting seat sealing device is installed, on described central shaft in stating the described bearing block outside bearing
Being provided with close-fitting shaft sealer, described seat sealing device includes that interior seat seal and outer seat are close
Sealing, described shaft sealer includes interior shaft seal and outer shaft seal, described interior shaft seal
Edge, periphery is stretched between described interior seat seal and described outer seat seal and matched in clearance, described outer seat
The inner edge of sealing member is stretched between described interior shaft seal and described outer shaft seal and matched in clearance；
Be equipped with on the forward surface of described interior seat seal and described interior shaft seal some extend towards and
The ring packing tooth that stagger distance coordinates；Described interior shaft seal and the forward surface of described outer seat seal
On be equipped with some extend towards and stagger distance coordinate ring packing tooth；Described outer seat seal and
The uniform forward surface of described outer shaft seal is provided with some extending towards and the annular of stagger distance cooperation
Seal tooth；The ring packing tooth of described interior shaft seal both sides is symmetrical arranged.
As the preferred technical scheme of one, described outer seat seal is provided with towards described outer sealing
Edge, part periphery extend out guiding surface.
As the preferred technical scheme of one, described outer shaft seal outer face is provided with to its edge, periphery
The interior receipts guiding surface tilted.
As the preferred technical scheme of one, the described central shaft outside described outer shaft seal is installed
There is the jump ring for locking described shaft sealer.
Owing to have employed technique scheme, non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device,
Including central shaft, described central shaft is set with roller, the two ends of described roller and described central shaft it
Between bearing block is installed, bearing is installed, the described bearing block outside described bearing in described bearing block
Close-fitting seat sealing device is inside installed, described central shaft is provided with close-fitting sealing
Device, described seat sealing device includes interior seat seal and outer seat seal, described shaft sealer bag
Including interior shaft seal and outer shaft seal, the periphery of described interior shaft seal seals along stretching into described inner seat
Between part and described outer seat seal and matched in clearance, the inner edge of described outer seat seal is stretched into described
Between interior shaft seal and described outer shaft seal and matched in clearance；Interior seat seal, interior shaft seal,
Outer seat seal and outer shaft seal are crisscross arranged, and are formed multi-stage sealed, good sealing effect；Each is close
Mutual matched in clearance between sealing, does not interferes with the rotation of carrying roller, extends the service life of carrying roller.
Accompanying drawing explanation
The following drawings is only intended to, in schematically illustrating this utility model and explaining, not limit this reality
By novel scope.Wherein:
Fig. 1 is the structural representation of this utility model embodiment；
Fig. 2 is enlarged drawing at I in Fig. 1；
In figure: 11-central shaft；12-roller；13-bearing block；14-bearing；Seat seal in 21-；
The outer seat seal of 22-；Shaft seal in 31-；The outer shaft seal of 32-；4-ring packing tooth；5-extends out
Guiding surface；Guiding surface is received in 6-；7-jump ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.In following detailed description
In, only by the way of explanation, describe some one exemplary embodiment of the present utility model.Undoubtedly,
Those of ordinary skill in the art will be consequently realised that, without departing from spirit and scope of the present utility model
In the case of, by various different modes, described embodiment can be modified.Therefore, accompanying drawing
It is inherently the most illustrative with describing rather than is used for limiting 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, described central shaft 11 is set with roller 12, the two ends of described roller 12 with described in
Bearing block 13 is installed between mandrel 11, bearing 14, described bearing are installed in described bearing block 13
Close-fitting seat sealing device, described central shaft 11 are installed in the described bearing block 13 outside 14
On close-fitting shaft sealer is installed, described seat sealing device includes interior seat seal 21 and outer
Seat seal 22, described shaft sealer includes interior shaft seal 31 and outer shaft seal 32, described
The periphery of interior shaft seal 31 is along stretching between described interior seat seal 21 and described outer seat seal 22
And matched in clearance, described interior shaft seal 31 and described is stretched in the inner edge of described outer seat seal 22
Between outer shaft seal 32 and matched in clearance.
Be equipped with on the forward surface of described interior seat seal 21 and described interior shaft seal 31 some in opposite directions
Extend and the ring packing tooth 4 of stagger distance cooperation.Described interior shaft seal 31 seals with described outer seat
Some extending towards and the ring packing tooth 4 of stagger distance cooperation it is equipped with on the forward surface of part 22.Institute
The uniform forward surface stating outer seat seal 22 and described outer shaft seal 32 is provided with some extending towards
And the ring packing tooth 4 that stagger distance coordinates, the ring packing tooth 4 of described interior shaft seal 31 both sides
It is symmetrical arranged；Described outer seat seal 22 is provided with outside edge, described outer shaft seal 32 periphery
Expand guiding surface 5.
In described interior seat seal 21, described interior shaft seal 31 and described outer seat seal 22 form
Annular seal space, described outer seat seal 22 and described outer shaft seal 32 form external seal chamber, due to institute
Stating interior shaft seal 31 is symmetrical structure, and within institute, annular seal space is centered by described interior shaft seal 31
Form symmetrical cavity；Roller 12 drives in bearing block 13 rotation process, under the effect in the field of force, and institute
Stating being symmetrical arranged of interior shaft seal 31 enables its both sides to reach poised state, beneficially roller faster
The stable operation of cylinder 12.
Described outer shaft seal 32 outer face is provided with to its periphery along the interior receipts guiding surface 6 tilted.
It is provided with on described central shaft 11 outside described outer shaft seal 32 for locking described sealing dress
The jump ring 7 put.
Operation principle is: after being welded with bearing block 13 by roller 12, is loaded by central shaft 11, then
After bearing 14 is pressed into bearing block 13, by the interior seat seal 21 assembled, outer seat seal 22,
Interior shaft seal 31 is pressed in bearing block 13 together with outer shaft seal 32, then installs jump ring 7 and lock,
Interior seat seal 21, interior shaft seal 31 and outer seat seal 22 form multiple labyrinth, play
Internal sealing function, and outer seat seal 22 and outer shaft seal 32 form the labyrinth seal of outside,
The radial outer edge of outer seat seal 22 closely cooperates with bearing block 13, prevents the immersion of dust and water,
Outer seat seal 22 is round and smooth boss with the place of cooperation of outer shaft seal 32, during operating can by dust,
Water effectively throws away, thus reaches preferable dustproof and waterproof effect.
This utility model is my company up-to-date development of new high performance water proof dust seal, through many experiments,
This is sealed in immersion and dust test, and its performance and parameter are all far superior to national standard, and revolve
Turn resistance and be also better than national Specification, be a kind of ideal supporting roller sealing, there is installation side
The features such as just, simple to operate and function admirable.It is that a kind of novel high-performance being worth promoting seals.
Of the present utility model ultimate principle, principal character and of the present utility model have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments,
Principle of the present utility model is simply described, without departing from this reality described in above-described embodiment and description
On the premise of novel spirit and scope, this utility model also has various changes and modifications, and these become
In the range of change and improvement both fall within claimed this utility model.This utility model claims scope
Defined by appending claims and equivalent thereof.
Claims (4)
1. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, including central shaft, described center
It is set with roller on axle, between two ends and the described central shaft of described roller, bearing block, described axle is installed
Bearing is installed in bearing, it is characterised in that: it is provided with in the described bearing block outside described bearing closely
The seat sealing device coordinated, described central shaft is provided with close-fitting shaft sealer, and described seat is close
Seal apparatus includes interior seat seal and outer seat seal, and described shaft sealer includes that interior shaft seal is with outer
Shaft seal, the periphery of described interior shaft seal is along stretching into described interior seat seal and described outer seat seal
Between and matched in clearance, described interior shaft seal and described outer shaft are stretched in the inner edge of described outer seat seal
Between sealing member and matched in clearance；
Be equipped with on the forward surface of described interior seat seal and described interior shaft seal some extend towards and
The ring packing tooth that stagger distance coordinates；On the forward surface of described interior shaft seal and described outer seat seal
It is equipped with some extending towards and the ring packing tooth of stagger distance cooperation；Described outer seat seal and described
The uniform forward surface of outer shaft seal is provided with some extending towards and the ring packing of stagger distance cooperation
Tooth；The ring packing tooth of described interior shaft seal both sides is symmetrical arranged.
2. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, its
It is characterised by: described outer seat seal is provided with and guides tiltedly towards extending out of edge, described outer shaft seal periphery
Face.
3. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, its
It is characterised by: described outer shaft seal outer face is provided with to its periphery along the interior receipts guiding surface tilted.
4. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, its
It is characterised by: be provided with for locking described sealing on the described central shaft outside described outer shaft seal
The jump ring of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139155.XU CN205471324U (en) | 2015-12-31 | 2015-12-31 | Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139155.XU CN205471324U (en) | 2015-12-31 | 2015-12-31 | Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205471324U true CN205471324U (en) | 2016-08-17 |
Family
ID=56662323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521139155.XU Expired - Fee Related CN205471324U (en) | 2015-12-31 | 2015-12-31 | Waterproof dustproof bearing roller sealing device of non -contact symmetry labyrinth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205471324U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460544A (en) * | 2015-12-31 | 2016-04-06 | 日照长运工业输送设备有限公司 | Non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device |
| WO2018223985A1 (en) * | 2017-06-07 | 2018-12-13 | 赵红平 | Roller equipped with high sealing performance bearing |
-
2015
- 2015-12-31 CN CN201521139155.XU patent/CN205471324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460544A (en) * | 2015-12-31 | 2016-04-06 | 日照长运工业输送设备有限公司 | Non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device |
| WO2018223985A1 (en) * | 2017-06-07 | 2018-12-13 | 赵红平 | Roller equipped with high sealing performance bearing |
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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: 20160817 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |