CN208057682U - A kind of dust-proof rolling bearing - Google Patents
A kind of dust-proof rolling bearing Download PDFInfo
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- CN208057682U CN208057682U CN201820486976.8U CN201820486976U CN208057682U CN 208057682 U CN208057682 U CN 208057682U CN 201820486976 U CN201820486976 U CN 201820486976U CN 208057682 U CN208057682 U CN 208057682U
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- China
- Prior art keywords
- retainer
- rolling bearing
- bending claws
- bearing
- end cap
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Abstract
The utility model discloses a kind of dust-proof rolling bearings,Including rolling bearing ontology and end cap,Rolling bearing ontology includes bearing outer ring,Bearing inner race,Rolling element and retainer,End cap is symmetricly set on the both ends of rolling bearing ontology,End cap includes interconnecting piece and lid portion,Pocket hole and connection road are provided on retainer,Retainer is made of the docking of two and half retainers,It is provided with L-shaped bending claws on the first half retainers,It is provided with and the matched bending claws fixture block of L-shaped bending claws on second half retainers,At the both ends of rolling bearing ontology, end cap is set,Enhance the leakproofness to rolling bearing ontology,Setting connection road between pocket hole,Allow lubricating oil in retainer internal circulation,Improve lubricant effect,It is simultaneously floating structure between the first half retainers and the second half retainers,So that the first half retainers can be relative to the second half retainer movements,Avoid the situation that rolling element is stuck,Increase the service life of the rolling bearing.
Description
Technical field
The utility model is related to field of bearings, more particularly to a kind of dust-proof rolling bearing.
Background technology
Bearing is the critical component in mechanical transmission course, usually standard component, but in some environments, such as vacuum environment
Deng, it is desirable that bearing, which disclosure satisfy that, has the characteristics that wide operating temperature range, stable work in work, and rolling bearing is the axis that will be operated
Sliding friction between axle bed becomes rolling friction, to reduce friction loss a kind of precision mechanical organ.
For traditional rolling bearing, poor sealing can cause to be easily accessible impurity inside rolling bearing, this
Sample is with the operating of bearing, and impurity can be by bearing damage, and retainer is the important component in rolling bearing, is rolled for wrapping up
Body, during the work time due to bearing, phase mutual friction between rolling element and retainer generate a large amount of heat, in the prior art,
Lubricating system to bearing is mostly the modes such as drip lubrication, circulating oil lubrication, these lubricating system lubricating oil cannot be fast and effective
Through rolling element at, cause lubricant effect and bad, to reduce the service life of retainer, and in the general axis of rolling
It holds when in use and there is the problems such as bearing is stuck during applied at elevated temperature, the complete machine of user is made to scrap, to cause user not
Appreciable economic loss.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of good airproof performance, the longevity is used
The dust-proof rolling bearing of life length, high lubricating effect.
Following technical scheme may be used to realize in the technical issues of the utility model solves：
A kind of dust-proof rolling bearing, including rolling bearing ontology and end cap, rolling bearing ontology include bearing outer ring, axis
Inner ring, rolling element and retainer are held, between bearing inner race and bearing outer ring, rolling element is installed on retainer retainer,
End cap is fixedly connected with bearing inner race；
The end cap is symmetricly set on the both ends of rolling bearing ontology, and end cap includes interconnecting piece and lid portion, and interconnecting piece is
Cylindrical tube shape structure, matches with bearing inner race, in this way can be effective to replace the connection between bearing inner race and connecting shaft
The damage to bearing inner race, lid portion is avoided to extend out to bearing outer ring by the periphery wall of interconnecting piece, with bearing outer ring phase
Cooperation, and do not contacted with bearing outer ring, effectively rolling bearing ontology is covered, prevents the impurity in external environment from entering rolling
It is damaged in bearing body, reduces the service life of rolling bearing ontology, lid portion is equipped with oil groove, and oil groove is cyclic annular ties
Structure is oppositely arranged with rolling element, makes rolling element during carrying out rotation and revolution along with this body running of rolling bearing,
It can more fully be in contact with lubricating oil, to improve the lubricant effect of rolling bearing ontology, prevent rolling bearing ontology
It is insufficient because lubricating during the work time, and abrasion is caused to aggravate, to extend the service life of rolling bearing ontology；
Pocket hole and connection road are provided on the retainer, pocket hole is uniformly set on retainer, and rolling element is mounted on pocket hole
Interior, pocket hole is uniformly arranged along the periphery of retainer, and pocket hole and rolling element correspond, connection road be located at two adjacent pocket holes it
Between and the adjacent pocket hole of connection so that lubricating oil can flow inside retainer, improve lubricant effect, reduce rolling element to protecting
The abrasion for holding frame, extends the service life of retainer, and retainer further includes connecting hole, connecting hole by retainer side wall side
It being through to its other side and is arranged perpendicular to connection road, reduce damage to retainer intensity, connecting hole connects with connecting,
Lubricating oil can be flowed into connection road by connecting hole, reinforce the absorption of lubricating oil frictional heat between rolling element and retainer；
The retainer is made of the docking of two and half retainers, respectively the first half retainers and the second half retainers, institute
It is ribbon retainer to state the first half retainers and the second retainer, is provided with L-shaped bending claws on the first half retainers, and the second half protect
It holds to be provided on frame and be connected and fixed with L-shaped bending claws with the matched bending claws fixture block of L-shaped bending claws, bending claws fixture block, bending claws fixture block width
Equal to the width of L-shaped bending claws inner space, L-shaped bending claws and bending claws fixture block include high-temperature-resistant layer and solid lubricant layer, and solid moistens
Slip layer is arranged on the contact surface of L-shaped bending claws and bending claws fixture block, and the material of high-temperature-resistant layer is Cr4Mo4V, the material of solid lubricant layer
For silver, high-temperature-resistant layer and solid lubricant layer are metallurgical binding, and through-hole is both provided on the outer surface of L-shaped bending claws and bending claws fixture block,
Through-hole is arranged on the contact surface of L-shaped bending claws and bending claws fixture block, can to float between the first half retainers and the second half retainers
Formula structure so that the first half retainers can avoid the situation that rolling element is stuck, increase this relative to the second half retainer movements
The service life of rolling bearing.
Above-mentioned dust-proof rolling bearing, the interconnecting piece are integrally formed with lid portion, and the overall structure of such end cap is strong
Degree is high, can be to avoid the trouble of assembly.
Above-mentioned dust-proof rolling bearing, the interconnecting piece and the junction in lid portion are equipped with rounded corner, can have in this way
Interconnecting piece and the junction in lid portion is avoided to effect to generate stress concentration phenomenon, to avoid generating fatigue crack in junction,
Enhance the bonding strength of interconnecting piece and lid portion.
Above-mentioned dust-proof rolling bearing, is fastenedly connected between the end cap and rolling bearing ontology by screw, end cap
Multiple first positioning holes are equipped with, bearing inner race is equipped with multiple second location holes, and first positioning hole is distinguished with second location hole
It corresponds, is easily installed dismounting.
Above-mentioned dust-proof rolling bearing, the length of the interconnecting piece are at most the half of bearing inner race width, convenient for end
The installation of lid.
The utility model has the beneficial effects that：End cap is set at the both ends of rolling bearing ontology, effectively by rolling bearing
The both sides of ontology wrap, and enhance the leakproofness to rolling bearing ontology, can enter to avoid impurity in rolling bearing ontology
And rolling bearing ontology is damaged, and setting connection road between pocket hole, allow lubricating oil in retainer internal circulation,
Lubricant effect is improved, reduces abrasion of the rolling element to retainer, while being between the first half retainers and the second half retainers
Floating structure so that the first half retainers can avoid the situation that rolling element is stuck, increase relative to the second half retainer movements
The service life of the rolling bearing is added.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic internal view of the utility model retainer；
Fig. 3 is the structural schematic diagram of the utility model retainer.
Specific implementation mode
By make the structure feature to the utility model and the effect of being reached have it is further understand and understanding, to compared with
Good embodiment and attached drawing cooperation detailed description, are described as follows：
As shown in Figure 1, 2, 3,
A kind of dust-proof rolling bearing, including rolling bearing ontology 1 and end cap 2, rolling bearing ontology include bearing outer ring,
Bearing inner race, rolling element and retainer 11, for retainer between bearing inner race and bearing outer ring, rolling element is installed on retainer
On, end cap is fixedly connected with bearing inner race；
The end cap 2 is symmetricly set on the both ends of rolling bearing ontology, and end cap includes interconnecting piece 21 and lid portion 22, connection
Portion is cylindrical tube shape structure, is matched with bearing inner race, in this way can be with to replace the connection between bearing inner race and connecting shaft
Damage to bearing inner race, lid portion is effectively avoided to extend out to bearing outer ring by the periphery wall of interconnecting piece, and outside bearing
Circle matches, and is not contacted with bearing outer ring, effectively covers rolling bearing ontology, prevents the impurity in external environment from entering
It is damaged in rolling bearing ontology, reduces the service life of rolling bearing ontology, lid portion is equipped with oil groove 221, oil groove
It for cyclic structure, is oppositely arranged with rolling element, rolling element is made to carry out rotation and revolution along with this body running of rolling bearing
During, it can more fully be in contact with lubricating oil, to improve the lubricant effect of rolling bearing ontology, prevent from rolling
Bearing body is insufficient because lubricating during the work time, and abrasion is caused to aggravate, to extend the use longevity of rolling bearing ontology
Life；
Pocket hole 111 and connection road 112 are provided on the retainer 11, pocket hole is uniformly set on retainer, rolling element peace
In pocket hole, pocket hole is uniformly arranged along the periphery of retainer, and pocket hole is corresponded with rolling element, and connection road is located at two phases
Between the adjacent pocket hole and adjacent pocket hole of connection so that lubricating oil can flow inside retainer, improve lubricant effect, reduce rolling
Abrasion of the kinetoplast to retainer extends the service life of retainer, and retainer further includes connecting hole 113, and connecting hole is by keeping
The side of frame side wall is through to its other side and is arranged perpendicular to connection road, reduces damage to retainer intensity, connecting hole with
Connection road connects, and lubricating oil can be flowed into connection road by connecting hole, reinforced lubricating oil and rubbed between rolling element and retainer
The absorption of heat；
The retainer 11 is made of the docking of two and half retainers, respectively the first half retainers 12 and the second half retainers
13, the first half retainer and the second retainer are ribbon retainer, and L-shaped bending claws 121 are provided on the first half retainers,
Be provided on the second half retainers with the matched bending claws fixture block 131 of L-shaped bending claws, bending claws fixture block is connected and fixed with L-shaped bending claws, curved
Pawl fixture block width is equal to the width of L-shaped bending claws inner space, and L-shaped bending claws and bending claws fixture block include high-temperature-resistant layer and solid lubricant layer
142, and solid lubricant layer is arranged on the contact surface of L-shaped bending claws and bending claws fixture block, the material of high-temperature-resistant layer is Cr4Mo4V, solid
The material of lubricant layer is silver, and high-temperature-resistant layer and solid lubricant layer are metallurgical binding, on the outer surface of L-shaped bending claws and bending claws fixture block
It is provided with through-hole 143, through-hole is arranged on the contact surface of L-shaped bending claws and bending claws fixture block, and the first half retainers and the second half are kept
It is floating structure between frame so that the first half retainers can avoid rolling element stuck relative to the second half retainer movements
The case where, increase the service life of the rolling bearing.
In the present invention, the interconnecting piece is integrally formed with lid portion, and the overall construction intensity of such end cap is high, can
To avoid the trouble of assembly.
The interconnecting piece and the junction in lid portion are equipped with rounded corner, can be effectively prevented from interconnecting piece and lid portion in this way
Junction generate stress concentration phenomenon, to avoid junction generate fatigue crack, enhance interconnecting piece and lid portion company
Connect intensity.
It is fastened and is connected by screw between the end cap and rolling bearing ontology as a further improvement of the utility model,
It connects, end cap is equipped with multiple first positioning holes, and bearing inner race is equipped with multiple second location holes, first positioning hole and the second positioning
Hole corresponds respectively, is easily installed dismounting.
The length of the interconnecting piece is at most the half of bearing inner race width, is convenient for the installation of end cap.
End cap is set at the both ends of rolling bearing ontology, effectively the both sides of rolling bearing ontology are wrapped, are enhanced
To the leakproofness of rolling bearing ontology, it can enter to avoid impurity in rolling bearing ontology and rolling bearing ontology is caused to damage
It is bad, and setting connection road between pocket hole, allow lubricating oil in retainer internal circulation, improves lubricant effect, reduce rolling
Abrasion of the kinetoplast to retainer, while being floating structure between the first half retainers and the second half retainers so that first
Half retainer can avoid the situation that rolling element is stuck, increase the use of the rolling bearing relative to the second half retainer movements
Service life.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (5)
1. a kind of dust-proof rolling bearing, including rolling bearing ontology and end cap, rolling bearing ontology includes bearing outer ring, bearing
Inner ring, rolling element and retainer, between bearing inner race and bearing outer ring, rolling element is installed on retainer retainer, end
Lid is fixedly connected with bearing inner race；
It is characterized in that,
The end cap is symmetricly set on the both ends of rolling bearing ontology, and end cap includes interconnecting piece and lid portion, and interconnecting piece is cylinder
Tubular structure is matched with bearing inner race, and lid portion extends out to bearing outer ring by the periphery wall of interconnecting piece, and outside bearing
Circle matches, and is not contacted with bearing outer ring, and lid portion is equipped with oil groove, and oil groove is cyclic structure, is oppositely arranged with rolling element；
Pocket hole and connection road are provided on the retainer, pocket hole is uniformly set on retainer, and rolling element is mounted in pocket hole, pocket
Hole is uniformly arranged along the periphery of retainer, and pocket hole and rolling element correspond, connection road be located between two adjacent pocket holes and
It is connected to adjacent pocket hole, retainer further includes connecting hole, and connecting hole is through to its other side and vertical by the side of retainer side wall
It is connected in connection road setting connecting hole with connecting；
The retainer is made of the docking of two and half retainers, respectively the first half retainers and the second half retainers, and the first half
Retainer and the second retainer are ribbon retainer, are provided with L-shaped bending claws on the first half retainers, are set on the second half retainers
It is equipped with and is connected and fixed with L-shaped bending claws with the matched bending claws fixture block of L-shaped bending claws, bending claws fixture block, it is curved that bending claws fixture block width is equal to L-shaped
The width of pawl inner space, L-shaped bending claws and bending claws fixture block include high-temperature-resistant layer and solid lubricant layer, and solid lubricant layer setting exists
On the contact surface of L-shaped bending claws and bending claws fixture block, high-temperature-resistant layer is metallurgical binding, L-shaped bending claws and bending claws fixture block with solid lubricant layer
Outer surface on be both provided with through-hole, through-hole is arranged on the contact surface of L-shaped bending claws and bending claws fixture block.
2. dust-proof rolling bearing according to claim 1, which is characterized in that the interconnecting piece and lid portion one at
Type.
3. dust-proof rolling bearing according to claim 1, which is characterized in that the junction of the interconnecting piece and lid portion
Equipped with rounded corner.
4. dust-proof rolling bearing according to claim 1, which is characterized in that between the end cap and rolling bearing ontology
It is fastenedly connected by screw, end cap is equipped with multiple first positioning holes, and bearing inner race is equipped with multiple second location holes, and first is fixed
Position hole corresponds respectively with second location hole.
5. dust-proof rolling bearing according to claim 1, which is characterized in that the length of the interconnecting piece is at most bearing
The half of inner race width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486976.8U CN208057682U (en) | 2018-04-08 | 2018-04-08 | A kind of dust-proof rolling bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820486976.8U CN208057682U (en) | 2018-04-08 | 2018-04-08 | A kind of dust-proof rolling bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057682U true CN208057682U (en) | 2018-11-06 |
Family
ID=63985257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820486976.8U Active CN208057682U (en) | 2018-04-08 | 2018-04-08 | A kind of dust-proof rolling bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208057682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112899A (en) * | 2020-08-28 | 2020-12-22 | 浙江天马轴承集团有限公司 | Bearing retainer and bearing with same |
-
2018
- 2018-04-08 CN CN201820486976.8U patent/CN208057682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112112899A (en) * | 2020-08-28 | 2020-12-22 | 浙江天马轴承集团有限公司 | Bearing retainer and bearing with same |
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