CN208010780U - sealing bearing with dustproof cover - Google Patents
sealing bearing with dustproof cover Download PDFInfo
- Publication number
- CN208010780U CN208010780U CN201820413518.1U CN201820413518U CN208010780U CN 208010780 U CN208010780 U CN 208010780U CN 201820413518 U CN201820413518 U CN 201820413518U CN 208010780 U CN208010780 U CN 208010780U
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- dustproof cover
- diameter end
- ring
- circle
- main body
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- Sealing Of Bearings (AREA)
Abstract
The utility model is related to a kind of sealing bearing with dustproof cover, including outer ring, inner ring and rolling element, the axial two-port of the outer ring and inner ring is equipped with sealing device, the sealing device includes outer dustproof cover and interior dustproof cover, the interior dustproof cover includes rigid ring cover main body, the outer diameter end of rigid ring cover main body is fixedly installed on outer ring, the inner-diameter end of rigid ring cover main body forms internal diameter cylinder circle towards axially external overturning, the inner-diameter end of rigid ring cover main body is equipped with rubber lip circle, rubber lip circle contacts sealing cooperation with the outer circumference surface of inner ring, the outer dustproof cover, which is fixedly mounted on, is placed in the axially external of interior dustproof cover on the outer circumference surface of inner ring, the outer diameter end of the outer dustproof cover is extended with outer diameter end cylinder circle axially inside, outer diameter end cylinder snare is outside internal diameter cylinder circle and clearance fit.With reasonable in design, sealed reliable and compact-sized advantage.
Description
Technical field
The utility model is related to technical field of bearings, are specifically the sealing bearings with dustproof cover.
Background technology
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotary body of support, is reduced
In its motion processFriction coefficient, and ensure its rotating accuracy.Bearing is needed to have sealing and dustproof performance in some occasions.Axis
The sealing held usually has using forms such as the combined uses of dustproof cover, rubber seal or both.Existing sealing bearing is prevented
Dirt lid structure design is unreasonable, causes sealing performance poor, while liquid can not be discharged as early as possible.
Invention content
The present utility model purpose：To overcome defect of the existing technology, a kind of structure of the utility model offer to set
Meter is reasonable, sealed reliable and the compact-sized sealing bearing with dustproof cover.
To achieve the above object, the utility model provides following technical solution：
A kind of sealing bearing with dustproof cover, including outer ring, inner ring and rolling element, the axial both ends of the outer ring and inner ring
Mouth is equipped with sealing device, it is characterised in that：The sealing device includes outer dustproof cover and interior dustproof cover, described interior dust-proof
Lid includes rigid ring cover main body, and the outer diameter end of rigid ring cover main body is fixedly installed on outer ring, the inner-diameter end of rigid ring cover main body
Internal diameter cylinder circle is formed towards axially external overturning, the inner-diameter end of rigid ring cover main body is equipped with rubber lip circle, rubber lip circle and inner ring
Outer circumference surface contact sealing cooperation, the outer dustproof cover, which is fixedly mounted on, is placed in interior dustproof cover on the outer circumference surface of inner ring
Axially external, the outer diameter end of the outer dustproof cover is extended with outer diameter end cylinder circle axially inside, and the outer diameter end cylinder snare is in interior
Outside diameter cylinder circle and clearance fit.
It by using above-mentioned technical proposal, is designed using double dustproof cover structures, the interior dustproof cover for being located inside uses kiss-coating
（Rubber lip circle）Sealing cooperation is contacted with inner ring realization, reaches good sealing performance, the dust-proof decorative cover positioned at outside is mounted on
On inner ring, outer dustproof cover corresponds to rubber lip circle and realizes protection, and through internal diameter cylinder circle, outer diameter end between outer dustproof cover and interior dustproof cover
Cylinder circle cooperatively forms labyrinth type fit clearance, improves dust seal effect.
Preferably, the internal side diameter of the outer dustproof cover be equipped with axially through drain chamber.Under the structure design, there is liquid
In the environment that body flows through, quickly liquid can be discharged for drain chamber, prevent liquid from entering bearing.
Preferably, the internal side diameter of the outer dustproof cover is equipped with axially extending mounting portion, and outer dustproof cover is set with through mounting portion
In on the outer circumference surface of bearing inner race.Under the structure design so that outer dustproof cover is solid and reliable.
Preferably, the rigid ring cover main body of the interior dustproof cover includes being located at the grasswort at outer radial end and being connect with grasswort
Inclined plate portion, inclined plate portion extends at from outer diameter end to inner-diameter end at oblique outer incline, and the outer diameter end in inclined plate portion is connect with grasswort, tiltedly
The internal diameter circle body that the inner-diameter end of plate portion extends along diameter, the inner-diameter end of internal diameter circle body set the outer diameter end cylinder and enclose and constitute cross sectional shape
For L-shaped L-type portion, it is equipped with mounting groove on the inner peripheral surface of outer ring, the grasswort press fitting of interior dustproof cover is in mounting groove, the rubber
Jiao Chunquan includes the base portion being fixedly attached on the madial wall in L-type portion and the rubber lip circle main body radially extended, rubber lip
It encloses main body and is set to outer diameter end cylinder circle corresponding position.Under the structure design, the rigid ring cover main body of interior dustproof cover is carried out using grasswort
It is fixedly mounted, solid and reliable, rigid ring cover main body inclined board portion, which realizes, to step down, and provides the bearing interior space of bigger；Rubber
Jiao Chunquan is attached to inside, is effectively protected, prolongs the service life,
Preferably, the rubber lip circle main body extends from root to lip in inclination axially outward.The structure design
Under, the elastic contact force of rubber lip circle is improved, contact sealing reliability of the rubber lip circle with inner ring is improved.
The utility model is further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is sealed bearing structure schematic diagram of the utility model specific embodiment with dustproof cover；
Fig. 2 is part A partial enlarged view in Fig. 1.
Specific implementation mode
Referring to attached drawing 1 and attached drawing 2, a kind of sealing bearing with dustproof cover disclosed by the utility model, including it is outer ring 1, interior
The axial two-port of circle 2 and rolling element 3, the outer ring 1 and inner ring 2 is equipped with sealing device, and the sealing device includes outer
Dustproof cover 4 and interior dustproof cover 5, the interior dustproof cover 5 include rigid ring cover main body 51, and the outer diameter end of rigid ring cover main body 51 is solid
Loaded on outer ring 1, the inner-diameter end of rigid ring cover main body 51 forms internal diameter cylinder circle 511, stereosphere towards axially external overturning for Dingan County
The inner-diameter end of lid main body 51 is equipped with rubber lip circle 52, and rubber lip circle 52 contacts sealing cooperation with the outer circumference surface of inner ring 2, described outer
Dustproof cover 4, which is fixedly mounted on the outer circumference surface of inner ring 2, is placed in the axially external of interior dustproof cover 5, outside the outer dustproof cover 4
Diameter end is extended with outer diameter end cylinder circle 41 axially inside, and the outer diameter end cylinder circle 41 is placed on outside internal diameter cylinder circle 511 and clearance fit.
It is designed using double dustproof cover structures, the interior dustproof cover for being located inside uses kiss-coating（Rubber lip circle）Sealing is contacted with inner ring realization to match
It closes, reaches good sealing performance, the dust-proof decorative cover for being located at outside is mounted on inner ring, and outer dustproof cover corresponds to the realization of rubber lip circle
Protection, and labyrinth type fit clearance is cooperatively formed through internal diameter cylinder circle, outer diameter end cylinder circle between outer dustproof cover and interior dustproof cover, it improves
Dust seal effect.
The outer dustproof cover 4 internal side diameter be equipped with axially through drain chamber 40.In the environment for thering is liquid to flow through,
Quickly liquid can be discharged for drain chamber, prevent liquid from entering bearing.
In addition, the internal side diameter of the outer dustproof cover 4 is equipped with axially extending mounting portion 42, outer dustproof cover 4 is through mounting portion 42
It is set on the outer circumference surface of bearing inner race 2.So that outer dustproof cover is solid and reliable.The rigid ring cover of the interior dustproof cover 5
Main body 51 includes the grasswort 512 and the inclined plate portion 513 that is connect with grasswort 512 positioned at outer radial end, and inclined plate portion 513 is at from outer diameter
It holds to inner-diameter end and extends at oblique outer incline, the outer diameter end in inclined plate portion 513 is connect with grasswort 512, the inner-diameter end edge in inclined plate portion 513
The inner-diameter end of the internal diameter circle body 514 that diameter extends, internal diameter circle body 514 sets the outer diameter end cylinder circle 511 and constitutes cross sectional shape as L-shaped
L-type portion, mounting groove 11 is equipped on the inner peripheral surface of outer ring 1, the press fitting of grasswort 512 of interior dustproof cover 5 is in mounting groove 11, institute
It includes the base portion 521 being fixedly attached on the madial wall in L-type portion and the rubber lip circle master radially extended to state rubber lip circle 52
Body 522, rubber lip circle main body 522 are set to outer diameter end cylinder circle corresponding position, and the rubber lip circle main body 522 is from root to lip
Extend in tilting axially outward.The elastic contact force of rubber lip circle is improved, improving contact sealing of the rubber lip circle with inner ring can
By property.Installation is fixed using grasswort in the rigid ring cover main body of interior dustproof cover, solid and reliable, in rigid ring cover main body tiltedly
Plate portion, which is realized, steps down, and provides the bearing interior space of bigger；Rubber lip circle is attached to inside, is effectively protected, and extends and uses
Service life.
Claims (5)
1. a kind of sealing bearing with dustproof cover, including outer ring, inner ring and rolling element, the axial two-port of the outer ring and inner ring
It is equipped with sealing device, it is characterised in that：The sealing device includes outer dustproof cover and interior dustproof cover, the interior dustproof cover
Including rigid ring cover main body, the outer diameter end of rigid ring cover main body is fixedly installed on outer ring, the inner-diameter end court of rigid ring cover main body
Internal diameter cylinder circle is formed to axially external overturning, and the inner-diameter end of rigid ring cover main body is equipped with rubber lip circle, rubber lip circle and inner ring
Outer circumference surface contact sealing cooperation, the outer dustproof cover are fixedly mounted on the axis that interior dustproof cover is placed on the outer circumference surface of inner ring
Outward, the outer diameter end of the outer dustproof cover is extended with outer diameter end cylinder circle axially inside, and the outer diameter end cylinder snare is in internal diameter
The outer simultaneously clearance fit of cylinder circle.
2. the sealing bearing with dustproof cover according to claim 1, it is characterised in that：The internal side diameter of the outer dustproof cover is equipped with
Axially through drain chamber.
3. the sealing bearing with dustproof cover according to claim 1, it is characterised in that：The internal side diameter of the outer dustproof cover is equipped with
Axially extending mounting portion, outer dustproof cover are set in through mounting portion on the outer circumference surface of bearing inner race.
4. the sealing bearing with dustproof cover according to claim 1, it is characterised in that：The rigid ring cover master of the interior dustproof cover
Body includes the grasswort and the inclined plate portion that is connect with grasswort positioned at outer radial end, inclined plate portion at from outer diameter end to inner-diameter end at oblique
Outer incline extends, and the outer diameter end in inclined plate portion connect with grasswort, the internal diameter circle body that the inner-diameter end in inclined plate portion extends along diameter, internal diameter circle body
Inner-diameter end set outer diameter end cylinder and enclose and constitute cross sectional shape as L-shaped L-type portion, be equipped with and install on the inner peripheral surface of outer ring
The grasswort of slot, interior dustproof cover is pressed in mounting groove, and the rubber lip circle includes being fixedly attached on the madial wall in L-type portion
Base portion and the rubber lip circle main body radially extended, rubber lip circle main body are set to outer diameter end cylinder circle corresponding position.
5. the sealing bearing with dustproof cover according to claim 4, it is characterised in that：The rubber lip circle main body is by root
Extend to lip in inclination axially outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413518.1U CN208010780U (en) | 2018-03-26 | 2018-03-26 | sealing bearing with dustproof cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820413518.1U CN208010780U (en) | 2018-03-26 | 2018-03-26 | sealing bearing with dustproof cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010780U true CN208010780U (en) | 2018-10-26 |
Family
ID=63889267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820413518.1U Active CN208010780U (en) | 2018-03-26 | 2018-03-26 | sealing bearing with dustproof cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010780U (en) |
-
2018
- 2018-03-26 CN CN201820413518.1U patent/CN208010780U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Patentee after: WENZHOU C&U BEARING Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. Patentee before: WENZHOU C&U BEARING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |