CN105460544A - Non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device - Google Patents
Non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device Download PDFInfo
- Publication number
- CN105460544A CN105460544A CN201511030342.9A CN201511030342A CN105460544A CN 105460544 A CN105460544 A CN 105460544A CN 201511030342 A CN201511030342 A CN 201511030342A CN 105460544 A CN105460544 A CN 105460544A
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- China
- Prior art keywords
- seal
- shaft
- seat
- sealing piece
- 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 non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device. The non-contact symmetrical labyrinth type waterproof-dustproof carrier roller sealing device comprises a center shaft. The center shaft is sleeved with a roller, bearing bases are installed between the two ends of the roller and the center shaft, a bearing is installed in each bearing base, base sealing devices in close fit with the bearing bases are installed in the portions, outside the bearings, of the bearing bases, and shaft sealing devices in close fit with the center shaft are installed on the center shaft; each base sealing device comprises an inner base sealing piece and an outer base sealing piece, each shaft sealing device comprises an inner shaft sealing piece and an outer shaft sealing piece, the outer circumference of each inner shaft sealing piece extends into the portion between the corresponding inner base sealing piece and the corresponding outer base sealing piece and is in clearance fit with the inner base sealing piece and the outer base sealing piece, and the inner circumference of each outer base sealing piece extends into the portion between the corresponding inner shaft sealing piece and the corresponding outer shaft sealing piece and is in clearance fit with the inner shaft sealing piece and the outer shaft sealing piece; each inner base sealing piece, the corresponding inner shaft sealing piece, the corresponding outer base sealing piece and the corresponding outer shaft sealing piece are arranged in a staggered manner, multi-stage sealing is formed, and the sealing effect is good; and all the sealing pieces are in clearance fit, rotation of a carrier roller can not be influenced, and the service life of the carrier roller is prolonged.
Description
Technical field
The present invention relates to a kind of mechanical transport parts, particularly relate to a kind of sealing arrangement of carrying roller.
Background technology
Travelling apron is general serial product, can be widely used in the industry-by-industries such as metallurgy, mine, coal, harbour, power station, building materials, chemical industry, light industry, oil, belongs to the product had a large capacity and a wide range.Carrying roller is the material carried on supporting belt and load-transfer device, and to ensure the device of load-transfer device smooth operation, it acts in a device and can not be substituted, and consumption is large, belongs to consumable accessory again.
The quality of carrying roller quality directly affects the normal use of equipment.And the quality of carrying roller sealing member directly affects the service life of carrying roller.
Its structure of existing carrying roller sealing is generally made up of inner seal ring, exterior seal ring, seal disc, inner shield ring, outer back-up ring, V seal ring, cover cap etc.What have considers sealing effectiveness, but adds roller rotational resistance; What have reduces roller rotational resistance, and sealing effectiveness is undesirable; Existing carrying roller sealing part is more, brings inconvenience to production, assembling, maintenance, too increases manufacturing cost.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of sealing property non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device excellent, easy for installation and simple to operate.
For solving the problems of the technologies described above, technical scheme of the present invention is: non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, comprise center shaft, described center shaft is set with roller, between the two ends of described roller and described center shaft, bearing seat is installed, in described bearing seat, bearing is installed, in described bearing seat outside described bearing, close-fitting seat sealing arrangement is installed, described center shaft is provided with close-fitting shaft sealer, described seat sealing arrangement comprises interior seat seal and outer seat seal, described shaft sealer comprises interior shaft seal and outer shaft seal, the periphery of described interior shaft seal is along stretching between described interior seat seal and described outer seat seal and free-running fit, the inner edge of described outer seat seal to be stretched between described interior shaft seal and described outer shaft seal and free-running fit,
The forward surface of described interior seat seal and described interior shaft seal is equipped with some extension in opposite directions and the ring seal tooth of stagger distance cooperation; Described interior shaft seal with the forward surface of described outer seat seal is equipped with some extension in opposite directions and the ring seal tooth that coordinates of stagger distance; The uniform forward surface of described outer seat seal and described outer shaft seal is provided with some extension in opposite directions and the ring seal tooth of stagger distance cooperation; The ring seal 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 and extends out guiding surface towards edge, described outer shaft seal periphery.
As the preferred technical scheme of one, described outer shaft seal outer face is provided with to its periphery along the adduction guiding surface tilted.
As the preferred technical scheme of one, the described center shaft outside described outer shaft seal is provided with 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, comprise center shaft, described center shaft is set with roller, between the two ends of described roller and described center shaft, bearing seat is installed, in described bearing seat, bearing is installed, in described bearing seat outside described bearing, close-fitting seat sealing arrangement is installed, described center shaft is provided with close-fitting shaft sealer, described seat sealing arrangement comprises interior seat seal and outer seat seal, described shaft sealer comprises interior shaft seal and outer shaft seal, the periphery of described interior shaft seal is along stretching between described interior seat seal and described outer seat seal and free-running fit, the inner edge of described outer seat seal to be stretched between described interior shaft seal and described outer shaft seal and free-running fit, 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, between each sealing member, mutual free-running fit, can not affect the rotation of carrying roller, extends the service life of carrying roller.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is I place enlarged drawing in Fig. 1;
In figure: 11-center shaft; 12-roller; 13-bearing seat; 14-bearing; Seat seal in 21-; The outer seat seal of 22-; Shaft seal in 31-; The outer shaft seal of 32-; 4-ring seal tooth; 5-extends out guiding surface; 6-adduction guiding surface; 7-jump ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the present invention further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present invention.Undoubtedly, those of ordinary skill in the art can recognize, when without departing from the spirit and scope of the present invention, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As depicted in figs. 1 and 2, non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, comprise center shaft 11, described center shaft 11 is set with roller 12, between the two ends of described roller 12 and described center shaft 11, bearing seat 13 is installed, in described bearing seat 13, bearing 14 is installed, in described bearing seat 13 outside described bearing 14, close-fitting seat sealing arrangement is installed, described center shaft 11 is provided with close-fitting shaft sealer, described seat sealing arrangement comprises interior seat seal 21 and outer seat seal 22, described shaft sealer comprises interior shaft seal 31 and outer shaft seal 32, the periphery of described interior shaft seal 31 is along stretching between described interior seat seal 21 and described outer seat seal 22 and free-running fit, the inner edge of described outer seat seal 22 to be stretched between described interior shaft seal 31 and described outer shaft seal 32 and free-running fit.
The forward surface of described interior seat seal 21 and described interior shaft seal 31 is equipped with some extension in opposite directions and the ring seal tooth 4 of stagger distance cooperation.Described interior shaft seal 31 with the forward surface of described outer seat seal 22 is equipped with some extension in opposite directions and the ring seal tooth 4 that coordinates of stagger distance.The uniform forward surface of described outer seat seal 22 and described outer shaft seal 32 is provided with some extension in opposite directions and the ring seal tooth 4 of stagger distance cooperation, and the ring seal tooth 4 of described interior shaft seal 31 both sides is symmetrical arranged; Described outer seat seal 22 is provided with and extends out guiding surface 5 towards edge, described outer shaft seal 32 periphery.
Described interior seat seal 21, described interior shaft seal 31 and described outer seat seal 22 form interior annular seal space, described outer seat seal 22 and described outer shaft seal 32 form outer gland sealing chamber, because described interior shaft seal 31 is symmetrical structure, within institute, annular seal space forms symmetrical cavity centered by described interior shaft seal 31; Roller 12 drives in bearing seat 13 rotation process, and under the effect in the field of force, being symmetrical arranged of described interior shaft seal 31 enables its both sides reach state of equilibrium faster, is beneficial to the smooth operation of roller 12.
Described outer shaft seal 32 outer face is provided with to its periphery along the adduction guiding surface 6 tilted.Described center shaft 11 outside described outer shaft seal 32 is provided with the jump ring 7 for locking described shaft sealer.
Principle of work is: after being welded with bearing seat 13 by roller 12, center shaft 11 is loaded, then after bearing 14 being pressed into bearing seat 13, by seat seal 21 in assembling, outer seat seal 22, interior shaft seal 31 is pressed in bearing seat 13 together with outer shaft seal 32, jump ring 7 is installed again lock, at this moment interior seat seal 21, interior shaft seal 31 and outer seat seal 22 form multiple labyrinth, play inner sealing function, and outer seat seal 22 and outer shaft seal 32 form outside labyrinth packing, external diameter edge and the bearing seat 13 of outer seat seal 22 closely cooperate, prevent the immersion of dust and water, outer seat seal 22 is round and smooth boss with the cooperation place of outer shaft seal 32, can by dust during running, water actv. throws away, thus reach good dustproof and waterproof effect.
The present invention is my company up-to-date development of new high performance water proof exclusion seal, through many experiments, sealing is in immersion and dust test, its performance and parameter are all far superior to national standard, and rotational resistance is also better than national Specification, be a kind of ideal supporting roller sealing, there is easy for installation, simple to operate and features such as function admirable.It is a kind of novel high-performance sealing be worth promoting.
More than show and describe groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device, comprise center shaft, described center shaft is set with roller, between the two ends of described roller and described center shaft, bearing seat is installed, in described bearing seat, bearing is installed, it is characterized in that: in the described bearing seat outside described bearing, close-fitting seat sealing arrangement is installed, described center shaft is provided with close-fitting shaft sealer, described seat sealing arrangement comprises interior seat seal and outer seat seal, described shaft sealer comprises interior shaft seal and outer shaft seal, the periphery of described interior shaft seal is along stretching between described interior seat seal and described outer seat seal and free-running fit, the inner edge of described outer seat seal to be stretched between described interior shaft seal and described outer shaft seal and free-running fit,
The forward surface of described interior seat seal and described interior shaft seal is equipped with some extension in opposite directions and the ring seal tooth of stagger distance cooperation; Described interior shaft seal with the forward surface of described outer seat seal is equipped with some extension in opposite directions and the ring seal tooth that coordinates of stagger distance; The uniform forward surface of described outer seat seal and described outer shaft seal is provided with some extension in opposite directions and the ring seal tooth of stagger distance cooperation; The ring seal 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, is characterized in that: described outer seat seal is provided with and extends out guiding surface towards edge, described outer shaft seal periphery.
3. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, is characterized in that: described outer shaft seal outer face is provided with to its periphery along the adduction guiding surface tilted.
4. non-contact symmetric labyrinth type water proof and dust proof carrier roller sealing device as claimed in claim 1, is characterized in that: the described center shaft outside described outer shaft seal is provided with the jump ring for locking described shaft sealer.
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 true CN105460544A (en) | 2016-04-06 |
| CN105460544B CN105460544B (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915593A (en) * | 2017-02-21 | 2017-07-04 | 嘉善优耐斯环保科技有限公司 | Carrying 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 |
Citations (8)
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|---|---|---|---|---|
| DE19627048A1 (en) * | 1996-07-05 | 1998-01-08 | Artur Kuepper Gmbh & Co Kg | Conveyor belt idler with seals |
| 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 |
| CN203410993U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Novel waterproof supporting roll |
| CN203410994U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Quick-mounting waterproof carrier roller |
| 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 |
-
2015
- 2015-12-31 CN CN201511030342.9A patent/CN105460544B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19627048A1 (en) * | 1996-07-05 | 1998-01-08 | Artur Kuepper Gmbh & Co Kg | Conveyor belt idler with seals |
| 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 |
| CN203410993U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Novel waterproof supporting roll |
| CN203410994U (en) * | 2013-07-12 | 2014-01-29 | 董世军 | Quick-mounting waterproof carrier roller |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915593A (en) * | 2017-02-21 | 2017-07-04 | 嘉善优耐斯环保科技有限公司 | Carrying 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 |
| US11358797B1 (en) | 2020-01-27 | 2022-06-14 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105460544B (en) | 2018-01-12 |
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