CN204124736U - Waterproof type sealing idler roller - Google Patents
Waterproof type sealing idler roller Download PDFInfo
- Publication number
- CN204124736U CN204124736U CN201420579428.1U CN201420579428U CN204124736U CN 204124736 U CN204124736 U CN 204124736U CN 201420579428 U CN201420579428 U CN 201420579428U CN 204124736 U CN204124736 U CN 204124736U
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- carrier shaft
- seal ring
- roller carrier
- ring
- roller
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Abstract
The utility model discloses a kind of waterproof type sealing idler roller, comprise roller carrier shaft, roller carrier shaft is arranged with roller supporting tube, bearing mounting base is provided with between roller carrier shaft end and described roller supporting tube, bearing mounting base central part is provided with inner fovea part, between inner fovea part and roller carrier shaft, Idler bearing is installed, the inner seal ring be sleeved on roller carrier shaft is provided with in inner fovea part, the internal perisporium of inner seal ring periphery wall and inner fovea part is sealed and matched, roller carrier shaft is set with gland, gland internal perisporium and roller carrier shaft periphery wall are sealed and matched, coordinate between gland inner surface with inner seal ring outer surface and form labyrinth seal, the inner of inner seal ring periphery wall leans on the sidewall of Idler bearing outer ring, inner seal ring inner surface protrudes the inner shield ring being provided with ring-type, waterproof seal is provided with between inner shield ring and described roller carrier shaft.The utility model structure design is simple, can ensureing when having lower rotational resistance to have good water sealing property, can adapt to the under-water operation of very severe.
Description
Technical field
The utility model relates to Idler Technology field, particularly relates to a kind of waterproof type sealing idler roller.
Background technology
Carrying roller is as the parts that in belt conveyer, use amount is maximum, replacement frequency is the highest, and its service life and installation ease directly affect normal operation, the smooth operation situation of belt conveyer.Existing carrying roller kind is many, quantity is large, sealing means mainly contains contact cover sealing, noncontact labyrinth seal etc., there is following problem in it: when the sealing of (1) contact cover improves sealing effectiveness, bearing rotary resistance is large, and cause carrying roller running resistance large, service life is short, more loaded down with trivial details when needing to change installation, cost is higher; (2) noncontact labyrinth seal cannot be arranged too much owing to sealing number of channels, and the water capacity easily enters Idler bearing with sealing surface, and cause carrying roller waterproof sealing effect undesirable, service life is shorter.
Utility model content
It is simple, reasonable that technical problem to be solved in the utility model is to provide a kind of structure design, and bearing rotary resistance is little, and waterproof sealing effect is good, and it is convenient to install, and is easy to the waterproof type sealing idler roller of automation mechanized operation Detroit automation.
For solving the problems of the technologies described above, the technical solution of the utility model is: waterproof type sealing idler roller, comprise roller carrier shaft, described roller carrier shaft is arranged with the roller supporting tube that axis is identical, bearing mounting base is provided with between described roller carrier shaft end and described roller supporting tube, described bearing mounting base central part caves inward and is provided with inner fovea part, between described inner fovea part and described roller carrier shaft, Idler bearing is installed, the inner seal ring be sleeved on described roller carrier shaft is provided with in described inner fovea part, the internal perisporium of described inner seal ring periphery wall and described inner fovea part is sealed and matched, described roller carrier shaft is positioned at outside described inner seal ring and is set with gland, described gland internal perisporium and described roller carrier shaft periphery wall are sealed and matched, coordinate between described gland inner surface with described inner seal ring outer surface and form labyrinth seal, the inner of described inner seal ring periphery wall leans on the sidewall of described Idler bearing outer ring, described inner seal ring inner surface protrudes the inner shield ring being provided with ring-type, waterproof seal is provided with between described inner shield ring and described roller carrier shaft.
As preferred technical scheme, described waterproof seal is waterproof grommet, described waterproof grommet comprises the inner waterproofing sealing be sealed and matched with described roller carrier shaft outer surface, the periphery of described inner waterproofing sealing is provided with support portion, the periphery of described support portion is provided with outer moisture proof seal, and described outer moisture proof seal holds out against the internal perisporium of described inner shield ring.
As the improvement to technique scheme, described inner waterproofing sealing is lip seal structure.
As the further improvement to technique scheme, described outer moisture proof seal is the seal ring of ring-type, described seal ring is inner to be integrated with described support portion, and described seal ring outer end holds out against described inner seal ring inner surface, and described seal ring periphery wall holds out against the internal perisporium of described inner shield ring.
As the further improvement to technique scheme, periphery outside described inner seal ring is provided with the outer spademan outwardly extended along described bearing mounting base, described gland outward flange is provided with along the radial sealing wing extended to described outer spademan of described roller carrier shaft, forms anti-water cavity between the described sealing wing and described outer spademan.
As the further improvement to technique scheme, the internal perisporium interference type of described inner seal ring periphery wall and described inner fovea part is sealed and matched, and described gland internal perisporium and described roller carrier shaft periphery wall interference type are sealed and matched.
Owing to have employed technique scheme, waterproof type sealing idler roller, comprise roller carrier shaft, described roller carrier shaft is arranged with the roller supporting tube that axis is identical, bearing mounting base is provided with between described roller carrier shaft end and described roller supporting tube, described bearing mounting base central part caves inward and is provided with inner fovea part, between described inner fovea part and described roller carrier shaft, Idler bearing is installed, the inner seal ring be sleeved on described roller carrier shaft is provided with in described inner fovea part, the internal perisporium of described inner seal ring periphery wall and described inner fovea part is sealed and matched, described roller carrier shaft is positioned at outside described inner seal ring and is set with gland, described gland internal perisporium and described roller carrier shaft periphery wall are sealed and matched, coordinate between described gland inner surface with described inner seal ring outer surface and form labyrinth seal, the inner of described inner seal ring periphery wall leans on the sidewall of described Idler bearing outer ring, described inner seal ring inner surface protrudes the inner shield ring being provided with ring-type, waterproof seal is provided with between described inner shield ring and described roller carrier shaft, the utility model has following beneficial effect: structure design is simple, reasonable, low cost of manufacture, by become non-contact seals be contact-type seal, can ensure when having lower rotational resistance, when being in flooded condition situation, there is good water sealing property, protection bearing, improves service life of equipment, can adapt to the under-water operation of very severe, it is convenient to install, and easily is automated operation Detroit automation.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
In figure: 1-roller carrier shaft; 2-roller supporting tube; 3-bearing mounting base; 4-Idler bearing; 5-inner seal ring; 6-gland; The anti-water cavity of 7-; 8-seals the wing; 9-inner shield ring; 10-waterproof grommet; 11-inner waterproofing sealing; 12-support portion; The outer moisture proof seal of 13-; 14-bracing frame; The outer spademan of 15-.
Detailed description of the invention
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, 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.
Embodiment:
As shown in Figure 1, waterproof type sealing idler roller, comprise roller carrier shaft 1, described roller carrier shaft 1 is arranged with the identical roller supporting tube of axis 2, bearing mounting base 3 is provided with between described roller carrier shaft 1 end and described roller supporting tube 2, described bearing mounting base 3 central part caves inward and is provided with inner fovea part, Idler bearing 4 is installed between described inner fovea part and described roller carrier shaft 1, the inner seal ring 5 be sleeved on described roller carrier shaft 1 is provided with in described inner fovea part, the internal perisporium of described inner seal ring 5 periphery wall and described inner fovea part is sealed and matched, described roller carrier shaft 1 is positioned at outside described inner seal ring 5 and is set with gland 6, described gland 6 internal perisporium and described roller carrier shaft 1 periphery wall are sealed and matched, coordinate between described gland 6 inner surface with described inner seal ring 5 outer surface and form labyrinth seal, the inner of described inner seal ring 5 periphery wall leans on the sidewall of described Idler bearing 4 outer ring, described inner seal ring 5 inner surface protrudes the inner shield ring 9 being provided with ring-type, described inner shield ring 9 is asked with described roller carrier shaft 1 and is provided with waterproof seal.The internal perisporium interference type of described inner seal ring 5 periphery wall and described inner fovea part is sealed and matched, and described gland 6 internal perisporium and described roller carrier shaft 1 periphery wall interference type are sealed and matched.
Wherein, described waterproof seal is waterproof grommet 10, described waterproof grommet 10 comprises the inner waterproofing sealing 11 be sealed and matched with described roller carrier shaft 1 outer surface, the periphery of described inner waterproofing sealing 11 is provided with support portion 12, the periphery of described support portion 12 is provided with outer moisture proof seal 13, and described outer moisture proof seal 13 holds out against the internal perisporium of described inner shield ring 9.Described inner waterproofing sealing 11 is lip seal structure.Described outer moisture proof seal 13 is the seal ring of ring-type, described seal ring is inner to be integrated with described support portion 12, the bracing frame 14 with higher-strength is provided with in described seal ring and described support portion, described seal ring outer end holds out against described inner seal ring 5 inner surface, described seal ring periphery wall holds out against the internal perisporium of described inner shield ring 9, by become non-contact seals be contact-type seal, ensure that when having lower rotational resistance, when being in flooded condition situation, there is good water sealing property.
Periphery outside described inner seal ring 5 is provided with the outer spademan 15 outwardly extended along described bearing mounting base 3; described gland 6 outward flange is provided with the sealing wing 8 extended to described outer spademan 15 along described roller carrier shaft 1 radial direction; anti-water cavity 7 is formed between the described sealing wing 8 and described outer spademan 15; when carrying roller is in flooded condition; anti-water cavity 7 effectively can alleviate the pressure of outside body of water to roller carrier shaft 1; ensure that water enters less than carrying roller inside, best protection bearing, whole carrying roller is run well.
The utility model product is through inspection, and soak 48 hours under operation, carrying roller inside has not a particle of into water, and rotational resistance remains on below 3N, and properties all meets international standard; Can adapt to the under-water operation of very severe, it is convenient to install, and easily is automated operation Detroit automation.
More than show and describe groundwork of the present utility model, principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. waterproof type sealing idler roller, comprise roller carrier shaft, described roller carrier shaft is arranged with the roller supporting tube that axis is identical, bearing mounting base is provided with between described roller carrier shaft end and described roller supporting tube, described bearing mounting base central part caves inward and is provided with inner fovea part, between described inner fovea part and described roller carrier shaft, Idler bearing is installed, it is characterized in that: in described inner fovea part, be provided with the inner seal ring be sleeved on described roller carrier shaft, the internal perisporium of described inner seal ring periphery wall and described inner fovea part is sealed and matched, described roller carrier shaft is positioned at outside described inner seal ring and is set with gland, described gland internal perisporium and described roller carrier shaft periphery wall are sealed and matched, coordinate between described gland inner surface with described inner seal ring outer surface and form labyrinth seal, the inner of described inner seal ring periphery wall leans on the sidewall of described Idler bearing outer ring, described inner seal ring inner surface protrudes the inner shield ring being provided with ring-type, waterproof seal is provided with between described inner shield ring and described roller carrier shaft.
2. waterproof type sealing idler roller as claimed in claim 1, it is characterized in that: described waterproof seal is waterproof grommet, described waterproof grommet comprises the inner waterproofing sealing be sealed and matched with described roller carrier shaft outer surface, the periphery of described inner waterproofing sealing is provided with support portion, the periphery of described support portion is provided with outer moisture proof seal, and described outer moisture proof seal holds out against the internal perisporium of described inner shield ring.
3. waterproof type sealing idler roller as claimed in claim 2, is characterized in that: described inner waterproofing sealing is lip seal structure.
4. waterproof type sealing idler roller as claimed in claim 2, it is characterized in that: described outer moisture proof seal is the seal ring of ring-type, described seal ring is inner to be integrated with described support portion, described seal ring outer end holds out against described inner seal ring inner surface, and described seal ring periphery wall holds out against the internal perisporium of described inner shield ring.
5. waterproof type sealing idler roller as claimed in claim 1, it is characterized in that: the periphery outside described inner seal ring is provided with the outer spademan outwardly extended along described bearing mounting base, described gland outward flange is provided with along the radial sealing wing extended to described outer spademan of described roller carrier shaft, forms anti-water cavity between the described sealing wing and described outer spademan.
6. the waterproof type sealing idler roller as described in claim arbitrary in claim 1 to 5, it is characterized in that: the internal perisporium interference type of described inner seal ring periphery wall and described inner fovea part is sealed and matched, described gland internal perisporium and described roller carrier shaft periphery wall interference type are sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579428.1U CN204124736U (en) | 2014-09-25 | 2014-09-25 | Waterproof type sealing idler roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579428.1U CN204124736U (en) | 2014-09-25 | 2014-09-25 | Waterproof type sealing idler roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204124736U true CN204124736U (en) | 2015-01-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420579428.1U Active CN204124736U (en) | 2014-09-25 | 2014-09-25 | Waterproof type sealing idler roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204124736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295550A (en) * | 2019-08-08 | 2019-10-01 | 中国建筑第四工程局有限公司 | Bridge external prestressing anchor |
-
2014
- 2014-09-25 CN CN201420579428.1U patent/CN204124736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295550A (en) * | 2019-08-08 | 2019-10-01 | 中国建筑第四工程局有限公司 | Bridge external prestressing anchor |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |