CN204403131U - The compensation ball bearing of sealing wear - Google Patents
The compensation ball bearing of sealing wear Download PDFInfo
- Publication number
- CN204403131U CN204403131U CN201420828193.5U CN201420828193U CN204403131U CN 204403131 U CN204403131 U CN 204403131U CN 201420828193 U CN201420828193 U CN 201420828193U CN 204403131 U CN204403131 U CN 204403131U
- Authority
- CN
- China
- Prior art keywords
- ring
- bearing
- ball
- sealing
- inner race
- 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
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to technical field of bearings, disclose the compensation ball bearing of a kind of sealing wear, comprise bearing inner race, bearing outer ring, ball, retainer, external sealed groove is respectively equipped with inside the two ends of bearing outer ring, interior seal groove is respectively equipped with outside the two ends of bearing inner race, bearing inner race, also support ring is provided with between the end of bearing outer ring, the outer ring of support ring is provided with exterior seal ring, the inner ring of support ring is provided with ring-shaped sealing sleeve, the inner side of ring-shaped sealing sleeve is provided with the sealing lip coordinated with interior seal groove, the outside of ring-shaped sealing sleeve is arranged with spring shackle, the inner side of external sealed groove is provided with connecting ring, annular space is formed outside connecting ring and between exterior seal ring, some V-arrangement reeds are circumferentially evenly provided with in annular space, V-arrangement reed is fixedly connected with connecting ring outer side surface, inside the outer end of V-arrangement reed and exterior seal ring, contact free supports.The utility model has good seal performance, can keep sealing, the beneficial effect of long service life by auto-compensation after sealing place wearing and tearing.
Description
Technical field
The utility model relates to technical field of bearings, particularly relates to the compensation ball bearing of sealing wear.
Background technique
In electro-mechanical arts application widely, be rotationally connected place for various, effectively reduce rotational resistance, deep groove ball bearing is common a kind of ball bearing to bearing.Ball bearing generally comprises bearing inner race, bearing outer ring, ball, retainer, ball bearing is divided into again open, sealed type usually, sealing mechanism is not with in the both sides of open i.e. bearing outer ring, bearing inner race, sealed type refers to and is provided with sealing configuration between bearing inner race, bearing outer ring, plays dust-proof, waterproof, grease proofing effect.But bearing operationally, relatively rotate between bearing inner race and bearing outer ring, common sealing configuration easily weares and teares, thus cause bearing seal hydraulic performance decline, extraneous dust, moisture, greasy dirt easily enter in bearing, ball is caused to wear and tear, bearing inner race is connected with rotating shaft simultaneously, when bearing normally works, the temperature of its inside may reach 40 DEG C-80 DEG C, if sealability reduces, the lubricant oil around ball can vapor away, thus cause ball rolling resistance to increase, reduce the working life of ball bearing.
Chinese patent Authorization Notice No.: CN202468719U, authorized announcement date on October 3rd, 2012, disclose a kind of axial seal bearing being provided with seal ring, in the outer ring of bearing, be provided with inner ring, be provided with steel bead groove at the middle part of bearing enclose, in steel bead groove, be provided with steel ball, steel ball is assembled in steel bead groove by steel ball frame, two outer ends of steel bead groove are provided with seal groove, and seal groove, built with seal ring, is realized sealing by tight cooperation of seal ring with the external diameter outer surface of bearing inner race.Its deficiency is relatively rotating for a long time along with bearing enclose, and seal ring and Internal and external cycle can be worn, thus cause sealability to decline, and reduces bearing working life.
Model utility content
The utility model is short in order to overcome the bearing seal time of the prior art, dust, moisture, greasy dirt easily enter the deficiency reducing bearing working life in bearing, provide a kind of good sealing effect, ring wear can auto-compensation, the ball bearing of long service life.
To achieve these goals, the utility model adopts following technological scheme:
The compensation ball bearing of a kind of sealing wear, comprise bearing inner race, bearing outer ring, ball, retainer, the outside of bearing inner race is provided with interior ball grooves, the inner side of bearing outer ring is provided with outer ball grooves, described ball is positioned at outer ball grooves, between interior ball grooves, external sealed groove is respectively equipped with inside the two ends of described bearing outer ring, interior seal groove is respectively equipped with outside the two ends of described bearing inner race, described bearing inner race, also support ring is provided with between the end of bearing outer ring, the outer ring of described support ring is provided with exterior seal ring, the inner ring of support ring is provided with ring-shaped sealing sleeve, the inner side of described ring-shaped sealing sleeve is provided with the sealing lip coordinated with interior seal groove, the outside of described ring-shaped sealing sleeve is arranged with spring shackle, the inner side of described external sealed groove is provided with connecting ring, annular space is formed outside connecting ring and between exterior seal ring, some V-arrangement reeds are circumferentially evenly provided with in annular space, described V-arrangement reed is fixedly connected with connecting ring outer side surface, inside the outer end of V-arrangement reed and exterior seal ring, contact free supports.
Exterior seal ring and bearing outer ring inner wall sealing, ring-shaped sealing sleeve, sealing lip and bearing inner race outer wall seal, along with the use of bearing, after exterior seal ring wearing and tearing under the elastic force effect of V-arrangement reed, exterior seal ring remains and to seal with external sealed groove, work as sealing lip, after ring-shaped sealing sleeve wearing and tearing, under the effect of spring shackle, ring-shaped sealing sleeve shrinks and remains sealing outside bearing inner race, i.e. exterior seal ring, ring-shaped sealing sleeve, energy compensation sealing after sealing lip wearing and tearing, good sealing effect, effectively prevent extraneous dust, moisture, greasy dirt enters in bearing, also can prevent the lubricant grease in bearing from evaporating, thus improve the working life of bearing.
As preferably, described interior seal groove has three roads, sealing lip Ye You tri-road that described ring packing puts, and three seals lip stretches into seal groove sealing in three roads respectively.Three seals groove, sealing lip fitted seal, improve sealability.
As preferably, be circumferentially provided with some flexible connecting rods in described ring-shaped sealing sleeve, it is outer and be welded to connect with the inner side of support ring that ring-shaped sealing sleeve is stretched out in the outer end of flexible connecting rod, and the outer end of described flexible connecting rod is also provided with U-bend folding part.Ring-shaped sealing sleeve and support ring are flexibly connected by flexible connecting rod, and after the wearing and tearing of ring-shaped sealing sleeve inner ring, under the effect of spring shackle, ring-shaped sealing sleeve more easily shrinks shape, thus plays compensation sealing.
As preferably, described interior ball grooves, the bottom of outer ball grooves are provided with oil storage tank, are provided with lubricant grease in oil storage tank, and the opening end both sides of described oil storage tank are connected by cambered surface smooth transition with between interior ball grooves, outer ball grooves.Oil storage tank can store more lubricant grease, keeps ball to lubricate for a long time, and when bearing working ambient temperature is higher, lubricant grease is direct after volatilizing to be lubricated ball, and when after surrounding environment cooling, most of lubricant grease can flow in oil storage tank.
As preferably, the bottom of described oil storage tank is provided with heat-resisting sponge.Partial lubrication grease is adsorbed by heat-resisting sponge, and not volatile, loss, extends the RT of lubricant grease, improves the working life of bearing.
Therefore, the utility model has good seal performance, can keep sealing, the beneficial effect of long service life by auto-compensation after sealing place wearing and tearing.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is A place close-up schematic view in Fig. 1.
Fig. 3 is B place close-up schematic view in Fig. 1.
In figure: the heat-resisting sponge 14 spring shackle 15 sealing lip 90 flexible connecting rod 91 U-bend folding part 92 of ball grooves 5 outer ball grooves 6 support ring 7 exterior seal ring 8 ring-shaped sealing sleeve 9 connecting ring 10 annular space 11 V-arrangement reed 12 oil storage tank 13 in seal groove 21 ball 3 retainer 4 in bearing inner race 1 bearing outer ring 2 external sealed groove 20.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
The compensation ball bearing of a kind of sealing wear as shown in Figure 1, comprise bearing inner race 1, bearing outer ring 2, ball 3, retainer 4, the outside of bearing inner race is provided with interior ball grooves 5, the inner side of bearing outer ring is provided with outer ball grooves 6, ball is positioned at outer ball grooves, between interior ball grooves, external sealed groove 20 is respectively equipped with inside the two ends of bearing outer ring 2, seal groove 21 in some roads is respectively equipped with outside the two ends of bearing inner race 1, bearing inner race, support ring 7 is also provided with between the end of bearing outer ring, the outer ring of support ring is provided with exterior seal ring 8, the inner ring of support ring is provided with ring-shaped sealing sleeve 9, the inner side of ring-shaped sealing sleeve 9 is provided with the sealing lip 90 coordinated with interior seal groove, the outside of described ring-shaped sealing sleeve is arranged with spring shackle 15, as shown in Figure 2, the inner side of external sealed groove 20 is provided with connecting ring 10, annular space 11 is formed outside connecting ring and between exterior seal ring, some V-arrangement reeds 12 are circumferentially evenly provided with in annular space, V-arrangement reed is fixedly connected with connecting ring outer side surface, and inside the outer end of V-arrangement reed and exterior seal ring, contact free supports, the bottom of interior ball grooves 5, outer ball grooves 6 is provided with oil storage tank 13, is provided with lubricant grease in oil storage tank, and the opening end both sides of oil storage tank are connected by cambered surface smooth transition with between interior ball grooves, outer ball grooves, and the bottom of oil storage tank is provided with heat-resisting sponge 14.
As shown in Figure 3, in the present embodiment, interior seal groove 21 has three roads, sealing lip 90 Ye You tri-road that ring packing puts, and three seals lip stretches into seal groove sealing in three roads respectively; Some flexible connecting rods 91 are circumferentially provided with in ring-shaped sealing sleeve 9, it is outer and be welded to connect with the inner side of support ring 7 that ring-shaped sealing sleeve is stretched out in the outer end of flexible connecting rod, the outer end of flexible connecting rod 91 is also provided with U-bend folding part 92, U-bend folding part makes flexible connecting rod deformation resistance reduce, thus deformation is convenient under making ring packing be enclosed within the effect of spring shackle, compensation sealing is effective.
Exterior seal ring and bearing outer ring inner wall sealing, ring-shaped sealing sleeve, sealing lip and bearing inner race outer wall seal, along with the use of bearing, after exterior seal ring wearing and tearing under the elastic force effect of V-arrangement reed, exterior seal ring remains and to seal with external sealed groove, work as sealing lip, after ring-shaped sealing sleeve wearing and tearing, under the effect of spring shackle, ring-shaped sealing sleeve shrinks and remains sealing outside bearing inner race, i.e. exterior seal ring, ring-shaped sealing sleeve, energy compensation sealing after sealing lip wearing and tearing, good sealing effect, effectively prevent extraneous dust, moisture, greasy dirt enters in bearing, also can prevent the lubricant grease in bearing from evaporating, thus improve the working life of bearing.Therefore, the utility model has good seal performance, can keep sealing, the beneficial effect of long service life by auto-compensation after sealing place wearing and tearing.
Claims (5)
1. the compensation ball bearing of sealing wear, comprise bearing inner race, bearing outer ring, ball, retainer, the outside of bearing inner race is provided with interior ball grooves, the inner side of bearing outer ring is provided with outer ball grooves, described ball is positioned at outer ball grooves, between interior ball grooves, it is characterized in that, external sealed groove is respectively equipped with inside the two ends of described bearing outer ring, interior seal groove is respectively equipped with outside the two ends of described bearing inner race, described bearing inner race, also support ring is provided with between the end of bearing outer ring, the outer ring of described support ring is provided with exterior seal ring, the inner ring of support ring is provided with ring-shaped sealing sleeve, the inner side of described ring-shaped sealing sleeve is provided with the sealing lip coordinated with interior seal groove, the outside of described ring-shaped sealing sleeve is arranged with spring shackle, the inner side of described external sealed groove is provided with connecting ring, annular space is formed outside connecting ring and between exterior seal ring, some V-arrangement reeds are circumferentially evenly provided with in annular space, described V-arrangement reed is fixedly connected with connecting ring outer side surface, inside the outer end of V-arrangement reed and exterior seal ring, contact free supports.
2. the compensation ball bearing of sealing wear according to claim 1, is characterized in that, described interior seal groove has three roads, sealing lip Ye You tri-road that described ring packing puts, and three seals lip stretches into seal groove sealing in three roads respectively.
3. the compensation ball bearing of sealing wear according to claim 1 and 2, it is characterized in that, some flexible connecting rods are circumferentially provided with in described ring-shaped sealing sleeve, it is outer and be welded to connect with the inner side of support ring that ring-shaped sealing sleeve is stretched out in the outer end of flexible connecting rod, and the outer end of described flexible connecting rod is also provided with U-bend folding part.
4. the compensation ball bearing of sealing wear according to claim 1 and 2, it is characterized in that, described interior ball grooves, the bottom of outer ball grooves are provided with oil storage tank, be provided with lubricant grease in oil storage tank, the opening end both sides of described oil storage tank are connected by cambered surface smooth transition with between interior ball grooves, outer ball grooves.
5. the compensation ball bearing of sealing wear according to claim 4, is characterized in that, the bottom of described oil storage tank is provided with heat-resisting sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828193.5U CN204403131U (en) | 2014-12-24 | 2014-12-24 | The compensation ball bearing of sealing wear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828193.5U CN204403131U (en) | 2014-12-24 | 2014-12-24 | The compensation ball bearing of sealing wear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403131U true CN204403131U (en) | 2015-06-17 |
Family
ID=53426994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828193.5U Expired - Fee Related CN204403131U (en) | 2014-12-24 | 2014-12-24 | The compensation ball bearing of sealing wear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204403131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810836A (en) * | 2022-04-28 | 2022-07-29 | 洛阳轴承研究所有限公司 | Wide temperature adaptation type bearing seal structure |
-
2014
- 2014-12-24 CN CN201420828193.5U patent/CN204403131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810836A (en) * | 2022-04-28 | 2022-07-29 | 洛阳轴承研究所有限公司 | Wide temperature adaptation type bearing seal structure |
| CN114810836B (en) * | 2022-04-28 | 2024-03-26 | 洛阳轴承研究所有限公司 | Wide temperature adaptation type bearing sealing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204403162U (en) | Long lifetime ball bearing structure | |
| CN204403156U (en) | A kind of high leak tightness ball bearing | |
| CN204164164U (en) | A kind of reinforcement lubricating type deep groove ball bearing | |
| CN204403131U (en) | The compensation ball bearing of sealing wear | |
| CN202326505U (en) | Forklift steering hydraulic cylinder | |
| CN204164183U (en) | A kind of Dustproof combined sealing double row angular contact hub bearing | |
| CN204099424U (en) | The Biserial cylindrical roller bearing of band sealing | |
| CN207661148U (en) | A kind of spiral dryer mechanical seal | |
| CN201723577U (en) | Double-line conical roller bearing with combined seal ring | |
| CN205136386U (en) | Sealing bearing | |
| CN213270722U (en) | Special combined bearing seat for three-section roller of fan-shaped section of continuous casting machine | |
| CN104315148A (en) | Improved sealing element for universal joint of cross axle type universal shaft coupler | |
| CN213568132U (en) | Non-metal steel-plastic composite carrier roller | |
| CN204677637U (en) | A kind of universal joint with the double needle roller of nylon spacer | |
| CN203670490U (en) | Bearing | |
| CN208376905U (en) | A kind of dust-proof thrust wheel | |
| CN201851659U (en) | Double-lip-tip type sealing ring | |
| CN101603518A (en) | Mechanical seal for vacuum equipment and lubricating method | |
| CN207246254U (en) | Totally enclosed type roller bearing component | |
| CN202628799U (en) | Sealed bearing of rolling mill | |
| CN202118110U (en) | Narrow-sealing type four-row tapered roller bearing | |
| CN204961582U (en) | Deep groove ball bearing | |
| CN204271802U (en) | A kind of hermetically-sealed construction of dynamo oil lubrication rolling bearing end cap | |
| CN201363389Y (en) | Sealing structure of vehicle shock absorber | |
| CN207005091U (en) | A kind of bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20191224 |