CN204921684U - Take narrow type sealed bearing of thin wall of holder - Google Patents
Take narrow type sealed bearing of thin wall of holder Download PDFInfo
- Publication number
- CN204921684U CN204921684U CN201520714272.8U CN201520714272U CN204921684U CN 204921684 U CN204921684 U CN 204921684U CN 201520714272 U CN201520714272 U CN 201520714272U CN 204921684 U CN204921684 U CN 204921684U
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- CN
- China
- Prior art keywords
- bearing
- ball
- ring
- retainer
- lasso
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/767—Sealings of ball or roller bearings integral with the race
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a take narrow type sealed bearing of thin wall of holder, including two bearing ring and ball, two bearing ring are bearing inner race and bearing inner race respectively, and the ball assembles between bearing inner race and bearing inner race through the holder, all is equipped with the channel on two bearing ring are global relatively, and two bearing ring's channel corresponds the cooperation and constitutes ball guide raceway, in ball guide raceway is arranged in to the ball, one of them bearing ring for the cross sectional shape for L shape partly surround the structure, this bearing ring is including the area the lasso body of channel to and the radial dustproof retaining ring that extends, dustproof retaining ring lies in the correspondence of lasso body axial one end in the inside side of bearing, dustproof retaining ring tip and another bearing ring clearance fit. The utility model has the advantages of both can satisfy the certain sealed requirement of bearing, reach the design of thin wall and narrow type again, have the intensity of use height, the reliable and stable and long service life of operation.
Description
Technical field
The utility model relates to technical field of bearings, is specifically a kind of thin-wall bearing with certain sealability, the thin-walled narrow stuffing box bearing that more precisely a kind of inner space is less or axial thickness is little.
Background technique
Bearing (Bearing) is a kind of important spare part in contemporary machinery, is widely used.Its major function is supported mechanical solid of rotation, reduces in its movement process
friction factor, and ensure its rotating accuracy.
Along with the development of technology, the use occasion of bearing is more and more wider, and its requirement is more and more becomed privileged; As the bearing that some have seal request, need bearing with corresponding sealing configuration to meet the demands.As shown in Figure 1, on existing stuffing box bearing, sealing configuration adopts independent sealed circle to be assemblied in bearing to use, and this kind of bearing is due to independently design of Sealing Structure, and sealing can meet the demands usually; But this kind of bearing needs to reserve corresponding space of assembling for seal ring at Bearing inner, and fluting on bearing ring is usually needed to assemble for seal ring or be sealed and matched.
And in some Special use occasions, need bearing frivolous, small and exquisite, and there is certain sealability, to meet usage requirement, this class bearing can be described as thin-walled narrow bearing, or the narrow serial bearing of thin-walled, bearing ring thickness itself is thinner, if process corresponding groove thereon again, its working strength certainly will weaken, easy early time discards; And such bearing interior space is little, therefore this type bearing cannot meet seal ring matching requirements.Therefore there is the design of thin-walled narrow in existing bearing, cannot reach situation about combining very well with Seal Design.Affect improvement and the use of machinery.
Summary of the invention
The present utility model object: for overcoming the defect that prior art exists, the utility model provides a kind of thin-walled narrow stuffing box bearing, both can meet the certain seal request of bearing, and reach again thin-walled and narrow design, have that working strength is high, operate advantage that is reliable and stable and long service life.
For achieving the above object, the utility model provides following technological scheme: a kind of thin-walled narrow stuffing box bearing with retainer, comprise two bearings lasso and ball, two bearings lasso is respectively bearing outer ring and bearing inner race, ball is assemblied between bearing outer ring and bearing inner race through retainer, the relative side face of two bearings lasso is equipped with raceway groove, the raceway groove corresponding matching of two bearings lasso forms ball and guides raceway, ball is placed in ball and guides in raceway, it is characterized in that: the semi-surrounding structure of to be sectional shape the be L shape of the bearing ring wherein described in, this bearing ring comprises the lasso body being with described raceway groove, and the radial dust slinger extended, it is corresponding on a side of Bearing inner to one end that dust slinger is positioned at lasso body shaft, dust slinger end and bearing ring Spielpassung described in another.
By adopting technique scheme, be the semi-surrounding structural design of L shape by a wherein bearing ring, lasso body plays the effect of primitive axis bearing ring, and dust slinger reaches certain sealing and dustproof effect, after the design of bearing thin-walled narrow, when meeting certain seal request, ensure again the requirement of strength of bearing ring, meet bearing usage requirement, guiding function is played in the design of retainer, after the design of bearing thin-walled narrow, still operate reliable and stable.
The utility model is set to further: described retainer is crown type retainer, and the ball fore shaft of crown type retainer is towards described dust slinger one end, and the bottom of crown type retainer is towards Bearing outer.
By adopting technique scheme, adopt the design of crown type retainer, and by specific for crown type retainer installation, utilize the structural feature of crown type retainer, the bottom of crown type retainer outwardly, coordinates jointly with dust slinger, makes Bearing inner form the structure of opposing seal, strengthen sealing effect, and the thin-walled narrow design of bearing can not be affected.
The utility model is set to further: the bearing ring with described dust slinger is bearing outer ring, in fixing fixing lasso when bearing outer ring is bearing operation.
By adopting technique scheme, bearing outer ring is the design of L shape, and bearing outer ring is fixing lasso, and namely during bearing operation, bearing inner race rotates, and bearing operation is more reliable and stable.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is prior art structural representation;
Fig. 2 is the utility model specific embodiment structural representation;
Fig. 3 is the utility model specific embodiment crown type retainer structural representation.
Embodiment
See accompanying drawing 1, a kind of thin-walled narrow stuffing box bearing with retainer disclosed in the utility model, comprise two bearings lasso 1, 2 and ball 3, two bearings lasso 1, 2 are respectively bearing outer ring 1 and bearing inner race 2, ball 3 is assemblied between bearing outer ring 1 and bearing inner race 2 through retainer 4, two bearings lasso 1, 2 relative side faces are equipped with raceway groove 11, 12, two bearings lasso 1, the raceway groove 11 of 2, 12 corresponding matching form ball and guide raceway, ball 3 is placed in ball and guides in raceway, bearing ring 1 wherein described in one for sectional shape be the semi-surrounding structure of L shape, this bearing ring 1 comprises the lasso body 12 being with described raceway groove 11, and the radial dust slinger 13 extended, it is corresponding on a side of Bearing inner that dust slinger 13 is positioned at the axial one end of lasso body 12, dust slinger 13 end and bearing ring 2 Spielpassung described in another, gap is d.In this specific embodiment, the bearing ring with described dust slinger 13 is bearing outer ring 1, bearing outer ring 1 for during bearing operation in fixing fixing lasso.Bearing outer ring is the design of L shape, and bearing outer ring is fixing lasso, namely during bearing operation, bearing inner race rotates, bearing operation is more reliable and stable, and the fixed bearing of bearing outer ring is more extensive for using, certainly as the technological scheme that the utility model is feasible, also bearing inner race can be designed to the semi-surrounding structure of L shape, bearing inner race is fixing lasso.
Wherein, dust slinger 13 end with in relative described this specific embodiment of bearing ring 2(for bearing outer ring 2) matching gap d is 0.15 ~ 0.3, under this gap, outer ring and inner ring can not interfere simultaneously that blocking again external dust enters Bearing inner.
For improving the sealability of bearing further, keep the thin-walled narrow of bearing to design, described retainer 4 is crown type retainer 4 simultaneously, and the ball fore shaft 41 of crown type retainer 4 is towards described dust slinger 13 one end, and the bottom of crown type retainer 4 is towards Bearing outer.Adopt the design of crown type retainer, and by specific for crown type retainer installation, utilize the structural feature of crown type retainer, the bottom of crown type retainer outwardly, jointly coordinate with dust slinger, make Bearing inner form the structure of opposing seal, strengthen sealing effect, and the thin-walled narrow design of bearing can not be affected.Wherein, the retainer of crown type retainer known by this technician, be generally Nylon global formation, as shown in Figure 3, crown type retainer 4 has ball pocket 40, the axial one end of crown type retainer 4 has the ball fore shaft 41 being positioned at ball pocket 40 oral area, the axial one end of crown type retainer 4 is the end 42(i.e. bottom of annular), for further improving bearing operation performance, ball pocket 40 inwall is provided with micro-shape pit shape pit 43, its machine shaping is not by the ball pocket size restrictions of retainer, the hole inwall of ball pocket distributes comparatively even, thus make the lubricating uniform of steel ball reliable, and the catchment area of its composition of the oil storage pit of gathering is greater than traditional oil-bearing structure, greatly improve the lubrication area of steel ball, thus improve the lubrication effect of steel ball, and because its structure is small and distribution is comparatively even, ensure that the run stability of retainer.
Thin-walled narrow stuffing box bearing tool of the present utility model has the following advantages, it is the semi-surrounding structural design of L shape by bearing outer ring, lasso body plays the effect of primitive axis bearing ring, dust slinger reaches certain sealing and dustproof effect, and coordinate crown type retainer, realize bearing two-port and all reach opposing seal, when meeting certain seal request, meet the design of bearing thin-walled narrow, ensure the requirement of strength of bearing ring, meet bearing usage requirement, guiding function is played in the design of retainer, after the design of bearing thin-walled narrow, still operate reliable and stable.
Claims (3)
1. the thin-walled narrow stuffing box bearing with retainer, comprise two bearings lasso and ball, two bearings lasso is respectively bearing outer ring and bearing inner race, ball is assemblied between bearing outer ring and bearing inner race through retainer, the relative side face of two bearings lasso is equipped with raceway groove, the raceway groove corresponding matching of two bearings lasso forms ball and guides raceway, ball is placed in ball and guides in raceway, it is characterized in that: the semi-surrounding structure of to be sectional shape the be L shape of the bearing ring wherein described in, this bearing ring comprises the lasso body being with described raceway groove, and the radial dust slinger extended, it is corresponding on a side of Bearing inner to one end that dust slinger is positioned at lasso body shaft, dust slinger end and bearing ring Spielpassung described in another.
2. the thin-walled narrow stuffing box bearing according to claim 1 with retainer, is characterized in that: described retainer is crown type retainer, and the ball fore shaft of crown type retainer is towards described dust slinger one end, and the bottom of crown type retainer is towards Bearing outer.
3. the thin-walled narrow stuffing box bearing with retainer according to claim 1 or 2, is characterized in that: the bearing ring with described dust slinger is bearing outer ring, in fixing fixing lasso when bearing outer ring is bearing operation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201520714272.8U CN204921684U (en) | 2015-09-15 | 2015-09-15 | Take narrow type sealed bearing of thin wall of holder |
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CN201520714272.8U CN204921684U (en) | 2015-09-15 | 2015-09-15 | Take narrow type sealed bearing of thin wall of holder |
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CN204921684U true CN204921684U (en) | 2015-12-30 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115111269A (en) * | 2022-04-07 | 2022-09-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-load bearing and high-temperature heavy-load bearing |
-
2015
- 2015-09-15 CN CN201520714272.8U patent/CN204921684U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115111269A (en) * | 2022-04-07 | 2022-09-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-load bearing and high-temperature heavy-load bearing |
CN115111269B (en) * | 2022-04-07 | 2023-06-27 | 洛阳轴承研究所有限公司 | Sealing and lubricating device for high-temperature heavy-duty bearing and high-temperature heavy-duty bearing |
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