CN207377973U - With multi-sealed rolling bearing units - Google Patents
With multi-sealed rolling bearing units Download PDFInfo
- Publication number
- CN207377973U CN207377973U CN201721135234.2U CN201721135234U CN207377973U CN 207377973 U CN207377973 U CN 207377973U CN 201721135234 U CN201721135234 U CN 201721135234U CN 207377973 U CN207377973 U CN 207377973U
- Authority
- CN
- China
- Prior art keywords
- sealing
- ring
- wall
- bearing
- sealing cover
- 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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Abstract
Multi-sealed rolling bearing units are carried the utility model proposes a kind of,Including shell and bearing body,The bearing body is arranged on shell inner cavity,The bearing body includes inner ring and outer ring,Rolling element is equipped between the inner ring and outer ring,The side wall of outer shell is equipped with fitting groove,The fitting groove is equipped with sealing cover,The sealing cover wraps up bearing body lateral surface,The support slot being recessed inwardly is equipped in the middle part of the side wall of the sealing cover,The sealing cover top edge is equipped with step,The step transverse part maintains an equal level with support slot slot bottom,Sealing space is formed between the sealing cover inner wall and rolling element,Sealing lip and baffle ring are equipped in the sealing space,The baffle ring is located on the outside of sealing lip,The utility model carries multi-sealed design,Improve the sealing performance of rolling bearing units,It can prevent dust from entering Bearing inner very well,Reduce bearing wear,Preferably ensure that bearing working is smooth,Prolong the service life.
Description
Technical field
It is more particularly to a kind of to carry multi-sealed rolling bearing units the utility model is related to bearing.
Background technology
Bearing is that component that is fixed and reducing load coefficient of friction is played in mechanical transmission course.Bearing is that contemporary machinery is set
A kind of standby middle very important parts, its major function is the mechanical rotary body of support, to reduce equipment in transmission process
In mechanical load coefficient of friction, the bearing being not installed in box body hole needs to support using bearing block.Currently on the market
Rolling bearing units are generally double-layer seal, and dust easily enters from baffle ring and outer ring gap, and also exists between sealing ring and inner ring
Gap so that dust is easily accessible Bearing inner, influences bearing service life.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of with multi-sealed rolling bearing units, its band
There is multiple Seal Design, substantially increase the sealing performance of rolling bearing units, can prevent dust from entering Bearing inner well, subtract
Few bearing wear preferably keeps bearing working smooth, prolongs the service life.
It is to reach above-mentioned purpose technical solution provided by the utility model：It is a kind of to carry multi-sealed axis of usheing to seat
It holds, including shell and bearing body, the bearing body is arranged on shell inner cavity, and the bearing body includes inner ring and outer ring,
Rolling element is equipped between the inner ring and outer ring, the side wall of outer shell is equipped with fitting groove, and the fitting groove is equipped with sealing cover, described
Sealing cover wraps up bearing body lateral surface, and the support slot being recessed inwardly, the sealing are equipped in the middle part of the side wall of the sealing cover
Hd top face edge is equipped with step, and the step transverse part maintains an equal level with support slot slot bottom, shape between the sealing cover inner wall and rolling element
Into sealing space, sealing lip and baffle ring are equipped in the sealing space, the baffle ring is located on the outside of sealing lip.
Further, described inner ring one end extends to form extended segment outward, and the extended segment is located in sealing space, institute
Extended segment outer wall is stated equipped with top wire hole, the top wire hole is equipped with jackscrew.
Further, the outer ring inner wall is equipped with mounting groove, and the mounting groove penetrates through outer wall side wall, the sealing lip top
Mounting groove slot slot bottom is assemblied in, the sealing lip bottom surface is in contact with interior ring outer wall, and the baffle ring bottom surface is fixedly linked with inner ring,
The baffle ring top surface is close to mounting groove slot bottom.
Further, the shell is equipped with the first oilhole, and the first oilhole opening is equipped with oily cap, and first oilhole passes through
Logical outer casing inner wall, the outer ring outer wall are equipped with oil guide groove, and the first oilhole bottom opening is in contact with oil guide groove, the Oil Guide
Slot slot bottom is equipped with the second oilhole, and second oilhole penetrates through outer ring inner wall.
Further, the rolling element is spherical shape, and the rolling element is cased with retainer, and the retainer guiding rolling element is protected
It holds in bearing body, the retainer isolates rolling element with rolling element.
Compared with prior art, have the advantages that：
Sealing lip described in the utility model, baffle ring and the multiple Seal Design of sealing cover so that bearing can be very good by
Dust blocks outside, keeps the cleaning of Bearing inner well, reduces wear damage, work is more smooth, also greatly prolongs axis
Hold service life；The tip of the axis can be also closed by sealing cover simultaneously so that dust is not easy to enter between inner ring and axis, subtracts significantly
The abrasion of few inner ring and axis, prolongs the service life.
Description of the drawings
Fig. 1 is the utility model structure diagram.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Specific embodiment
It is as shown in Figure 1, a kind of with multi-sealed rolling bearing units, including shell 1 and bearing body 2, the bearing sheet
Body 2 is arranged on 1 inner cavity of shell, and the bearing body 2 includes inner ring 21 and outer ring 22, is equipped between the inner ring 21 and outer ring 22
Rolling element 3, the rolling element 3 are spherical shape, and the rolling element 3 is cased with retainer 31, and the retainer 31 guides rolling element 3 to keep
In bearing body 2, the retainer 31 isolates rolling element 3 with rolling element 3, and the material of retainer 31 has some strength,
And thermal conductivity is good, friction factor is small, wearability is good, impact flexibility is strong, density is smaller and linear expansion coefficient is close with rolling element 3.
1 side wall of shell be equipped with fitting groove 11, the fitting groove 11 be equipped with sealing cover 12,12 inner wall of sealing cover with
Sealing space 4 is formed between rolling element 3, the sealing cover 12 wraps up 2 lateral surface of bearing body, the side wall of the sealing cover 12
Middle part is equipped with the support slot 13 being recessed inwardly, and the support slot 13 can further support sealing cover 12 to be unlikely to deform, simultaneously
Also the inner cavity of sealing space 4 can be inwardly compressed, preferably prevent dust from entering Bearing inner, 12 top edge of sealing cover is set
There is step 14,14 transverse part of step maintains an equal level with 13 slot bottom of support slot, and described 21 one end of inner ring extends to form extended segment outward
23, the extended segment 23 is located in sealing space 4, and 23 outer wall of extended segment is equipped with top wire hole 24, and the top wire hole 24 assembles
There is a jackscrew 25, in inner ring 21 after installation axle, jackscrew 25 is withstood on axis, can play fixation, while sealing cover 12 can be by axis
End be closed so that dust is not easy to enter between inner ring 21 and axis, greatly reduces the abrasion of inner ring 21 and axis, extends use
Service life.
Sealing lip 41 and baffle ring 42 are equipped in the sealing space 4, the baffle ring 42 is located at 41 outside of sealing lip, described outer
22 inner walls are enclosed equipped with mounting groove 26, the mounting groove 26 penetrates through outer wall side wall, and 41 top of sealing lip is assemblied in mounting groove 26
Slot slot bottom, 41 bottom surface of sealing lip are in contact with 21 outer wall of inner ring, and 42 bottom surface of baffle ring is fixedly linked with inner ring 21, described
42 top surface of baffle ring is close to 26 slot bottom of mounting groove, the sealing lip 41, baffle ring 42 and the multiple Seal Design of sealing cover 12 so that axis
It holds and can be very good to block dust outside, keep the cleaning of Bearing inner well, reduce wear damage, work is more suitable
Freely, bearing service life is also greatly prolonged.
The shell 1 is equipped with the first oilhole 15, and the opening of the first oilhole 15 is equipped with oily cap 16, and first oilhole 15 passes through
1 inner wall of logical shell, 22 outer wall of outer ring are equipped with oil guide groove 27, and 15 bottom opening of the first oilhole connects with oil guide groove 27
It touches, 27 slot bottom of oil guide groove is equipped with the second oilhole 28, and second oilhole 28 penetrates through 22 inner wall of outer ring, it may be convenient to axis
Addition lubricating oil or lubricating grease are held, maintenance is lubricated to bearing, abrasion during bearing working is reduced, improves making for bearing block
With the service life, it is raw originally to reduce production.
Finally it should be noted that：Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although
The utility model is described in detail with reference to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover among the right of the utility model.
Claims (5)
1. a kind of with multi-sealed rolling bearing units, including shell and bearing body, the bearing body is set inside the shell
Chamber, the bearing body include inner ring and outer ring, and rolling element is equipped between the inner ring and outer ring, it is characterised in that：It is described outer
Shell side wall is equipped with fitting groove, and the fitting groove is equipped with sealing cover, and the sealing cover wraps up bearing body lateral surface, the sealing
The support slot being recessed inwardly is equipped in the middle part of the side wall of lid, the sealing cover top edge is equipped with step, the step transverse part and branch
Support slot slot bottom maintains an equal level, and sealing space is formed between the sealing cover inner wall and rolling element, sealing lip is equipped in the sealing space
And baffle ring, the baffle ring are located on the outside of sealing lip.
2. according to claim 1 carry multi-sealed rolling bearing units, it is characterised in that：Described inner ring one end is outward
Extended segment is extended to form, the extended segment is located in sealing space, and the extended segment outer wall is equipped with top wire hole, the top wire hole dress
Equipped with jackscrew.
It is 3. according to claim 1 a kind of with multi-sealed rolling bearing units, it is characterised in that：The outer ring inner wall is set
There is mounting groove, the mounting groove penetrates through outer wall side wall, mounting groove slot slot bottom, the sealing lip bottom are assemblied at the top of the sealing lip
Face is in contact with interior ring outer wall, and the baffle ring bottom surface is fixedly linked with inner ring, and the baffle ring top surface is close to mounting groove slot bottom.
It is 4. according to claim 1 a kind of with multi-sealed rolling bearing units, it is characterised in that：The shell is equipped with the
One oilhole, the first oilhole opening are equipped with oily cap, and first oilhole penetrates through outer casing inner wall, and the outer ring outer wall is equipped with Oil Guide
Slot, the first oilhole bottom opening are in contact with oil guide groove, and the oil guide groove slot bottom is equipped with the second oilhole, second oilhole
Penetrate through outer ring inner wall.
It is 5. according to claim 1 a kind of with multi-sealed rolling bearing units, it is characterised in that：The rolling element is ball
Shape, the rolling element are cased with retainer, and the retainer guiding rolling element is maintained in bearing body, and the retainer will roll
Body is isolated with rolling element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135234.2U CN207377973U (en) | 2017-09-06 | 2017-09-06 | With multi-sealed rolling bearing units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135234.2U CN207377973U (en) | 2017-09-06 | 2017-09-06 | With multi-sealed rolling bearing units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377973U true CN207377973U (en) | 2018-05-18 |
Family
ID=62343477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135234.2U Expired - Fee Related CN207377973U (en) | 2017-09-06 | 2017-09-06 | With multi-sealed rolling bearing units |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207377973U (en) |
-
2017
- 2017-09-06 CN CN201721135234.2U patent/CN207377973U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20180906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |