CN101586627A - High speed retainer of bi-face sealed ball bearing - Google Patents
High speed retainer of bi-face sealed ball bearing Download PDFInfo
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- CN101586627A CN101586627A CNA2009101004263A CN200910100426A CN101586627A CN 101586627 A CN101586627 A CN 101586627A CN A2009101004263 A CNA2009101004263 A CN A2009101004263A CN 200910100426 A CN200910100426 A CN 200910100426A CN 101586627 A CN101586627 A CN 101586627A
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- type support
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Abstract
The invention discloses a high speed retainer of bi-face sealed ball bearing belonging to the bearing component. It is hard for prior retainer to operate air stream and oil stream in a sealed chamber of the sealed ball bearing smoothly. The invention comprises a plurality of ball pockets distributed on a ring bracket of an integral structure, each ball pocket having an opening towards a same end of the ring bracket. An opening end of the ring bracket is formed on one end of the ball pocket opening. A sealing end of the ring bracket is formed on the end opposite to the ball pocket opening. A dynamic systematic flow channel is arranged in a position at the sealing end of the ring bracket corresponding to the two ball pockets so that the retainer functions to absorb to the air stream and oil stream when the bearing rotates and to operate air stream and oil stream in a sealed chamber of the sealed ball bearing smoothly to improve channel lubrication, reduce grease leakage and improve utilization ratio of stored grease in the high sealed chamber to a maximal extend.
Description
Technical field
The present invention relates to a kind of bearing components, especially a kind of high speed retainer of bi-face sealed ball bearing.
Background technique
Grease lubrication is often used in the inside of high speed bi-face sealed ball bearing, but its high speed performance limited to always, and greatly part is to lose efficacy because of bearing heating is too high; This also is a persistent ailment of China's bearing industry.
The factor that influences the seal ball bearing high speed performance is a lot, and the structure of the channel design of its middle (center) bearing, part processing precision, sealing material and sealing configuration, grease proterties, retainer etc. is the main cause of restriction stuffing box bearing high speed performance.The inside of stuffing box bearing, it is a Seal cage 6 of forming by outer ring 1, inner ring 2 and two Sealings 41,42, see Fig. 1, during high speed rotating, how to allow Seal cage 6 interior air-flow, oil streams turn round unobstructed, with improve raceway groove lubricated, reduce grease and leak, improve the utilization ratio of storing grease to greatest extent, be one of the factor that must consider of retainer design.Yet these aspects, existing seal ball bearing often all are ill-conceived places, perhaps consider the many of static factor, consider lacking of dynamic factor.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is that the air-flow, the oil that are difficult to make the stuffing box bearing Seal cage interior that overcome existing retainer existence flow the unobstructed defective of running in axial plane, and a kind of high speed retainer of bi-face sealed ball bearing is provided.For this reason, the present invention is by the following technical solutions:
The high speed retainer of bi-face sealed ball bearing, it is a plurality of ball pockets hole that on the ring-type support body of integrative-structure, distributes, each ball pocket hole has towards the ball pocket hole of the same end of ring-type support body opening, ring-type support body one end at opening place, described ball pocket hole forms the opening end of ring-type support body, the ring-type support body the other end forms the closed end of ring-type support body, it is characterized in that: the closed end correspondence of described ring-type support body face mutually position between the two ball pocket holes be provided with dynamically in the suction runner.
The present invention by face mutually in the closed end correspondence of ring-type support body two positions between the ball pocket hole be provided with dynamically in the suction runner, when making the bearing rotation, allow retainer air-flow, oily stream be played the function of " suction ", make air-flow, the running in axial plane of oil stream in the bearing seal chamber unobstructed, with improve raceway groove lubricated, reduce grease and leak, improve to greatest extent the utilization ratio of storing grease in the Seal cage.
Description of drawings
Fig. 1 is the structural representation of seal ball bearing.
The theory flow direction of the air-flow when Fig. 2 is the seal ball bearing high speed rotating in its axial plane Seal cage, oil stream.
Fig. 3 is the retainer structural representation of a kind of structural type of the present invention.
Fig. 4 is the retainer air-flow in the Seal cage, oil stream quilt schematic representation of " suction " when high speed rotating of structure shown in Figure 3.
Fig. 5, Fig. 6 are that two kinds of structure retainer shown in Figure 3 launch schematic top plan view.
Fig. 7 is the retainer structural representation of another kind of structural type of the present invention.
Fig. 8 is the expansion schematic top plan view of structure retainer shown in Figure 7.
Fig. 9 is the retainer structural representation of another structural type of the present invention.
Figure 10 is that the A-A of Fig. 9 is to sectional view.
Figure 11 is that the B-B of Fig. 9 is to launching enlarged view.
Figure 12 is that the C-C of Fig. 9 is to launching enlarged view.
Figure 13 is the D portion enlarged view of Figure 10.
The number in the figure explanation:
The 1-outer ring, 2-inner ring, 3-steel ball, 41, the 42-Sealing, 5-retainer, 6-Seal cage;
51-ring-type support body, 52-ball pocket hole, 53-ball pocket hole opening, the opening end of 54-ring-type support body, the closed end of 55-ring-type support body, 56-pontic, the 57-radial indentation, 58-closed end stiffening rib, 59-recess, the outer of 510-closed end stiffening rib, the interior edge of 511-recess, 512-binding side, 513-opening end stiffening rib, the inboard port of B1-, B2-outside port, the thickness of t-closed end stiffening rib, the thickness of T-pontic.
Embodiment
Below the present invention will be further described.
The present invention is a plurality of ball pockets hole 52 that distributes on the ring-type support body 51 of integrative-structure, each ball pocket hole 52 has towards the ball pocket hole of ring-type support body 51 same ends opening 53, ring-type support body one end at opening 53 places, ball pocket hole forms the opening end 54 of ring-type support body, the ring-type support body the other end forms the closed end 55 of ring-type support body, and its basic design is: closed end 55 correspondences of ring-type support body face mutually position between the two ball pocket holes be provided with dynamically in the suction runner.
By analysis, during the bearing rotation, under the centrifugal induced effect of steel ball and retainer, air-flow, the direction of oil stream shown in arrow among Fig. 2 flow in Seal cage 6 axial planes, and a side of corresponding retainer closed end 55 in the Seal cage 6, gap between retainer 5 and the Sealing 42 is very little, and the motion of air-flow, oil stream is obstructed.The present invention by face mutually in closed end 55 correspondences of ring-type support body two positions between the ball pocket hole be provided with dynamically in the suction runner, to improve the flow passage bore of air-flow, oil stream, when making the bearing rotation, allow retainer air-flow, oily stream be played the function of " suction ", make air-flow, the running of oil stream in the bearing seal chamber unobstructed, with improve raceway groove lubricated, reduce grease and leak, improve to greatest extent the utilization ratio of storing grease.
As the further of technique scheme improved and replenish, the present invention also comprises following additional technical characteristics, so that when implementing, select for use according to demand:
Shown in Fig. 5,6,7,8,11,12, face mutually on the ring-type support body 51 between the two ball pocket holes by pontic 56 and connect, inhale runner in dynamically to be positioned on the pontic 56.This structure at first provides the position for inhaling runner in being provided with dynamically, simultaneously, inhales runner in will be dynamically and is arranged on the pontic, is beneficial to air-flow, oily stream can be inhaled into the retainer closed end as inlet.
In dynamically, inhale runner and be positioned under the prerequisite on the pontic, dynamically in the suction runner show as the radial indentation 57 that is opened in the closed end 55 that is positioned at the skirt body on the pontic 56, can adopt following structure respectively:
At first, shown in Fig. 3-6, the area of the inboard port B1 of this radial indentation 57 greater than the area of its outside port B2 (from figure, inboard port B1 is consistent with the degree of depth of outside port B2, but inboard port B1 is big than the width of outside port B2, and the area of inboard port B1 that makes radial indentation 57 thus is greater than the area of its outside port B2).Thus, retainer 5 makes air-flow, oily stream reach the effect just as " ploughed and plough ", and then is gone into the retainer inside circumference to the steel ball sufficient lubrication by " suction " when running up, and keeps air-flow, oil stream to turn round unobstructed.
Secondly, shown in Fig. 7,8, the outside port B2 of radial indentation 57 is offset to the same side with respect to its inboard port B1 unanimity, so that radial indentation 57 towards consistent with the sense of rotation of retainer, make radial indentation 57 towards and the outer round surface of retainer between form acute angle angle β, the effect that acute angle angle β performance " is ploughed plough " during the retainer rotation, thus form " interior suction ".Such technology can also combine greater than the structure of outside port B2 with the inboard port B1 of epimere and realize better effect.
The 3rd, shown in Fig. 9-13, closed end stiffening rib 58 is set also at least at the recess 59 of the inboard of this closed end stiffening rib 58 formation with respect to pontic on pontic 56, the thickness t of closed end stiffening rib 58 is less than the thickness T of pontic, and radial indentation 57 is that the outer 510 by the closed end stiffening rib forms to opening end 54 indents of ring-type support body from the closed end 55 of ring-type support body.Such structure, when retainer when running up, air-flow in the Seal cage, oil stream are gone into the retainer inside circumference to the steel ball sufficient lubrication by the radial indentation 57 " suction " that outer 510 indents form, keep air-flow, oil stream to turn round unobstructed, and the recess 59 that forms can be assisted this radial indentation 57, makes the effect of this radial indentation 57 better.Better, the thickness t of closed end stiffening rib is not more than 2/3 of pontic thickness T.The outer 510 of closed end stiffening rib 58 is the smoothed curve shape from the closed end 55 of ring-type support body to opening end 54 indents of ring-type support body.The interior edge of recess 59 from the closed end 55 of ring-type support body to opening end 54 indents of ring-type support body and be the smoothed curve shape.Make that to be gone into the stream of air-flow, oil stream of retainer by " suction " smooth and easy.
In addition, under basic design of the present invention, each ball pocket hole 52 has the binding side 512 that the opening end 54 of a subtend skirt body extends out, and facing mutually of two ball pocket holes is provided with opening end stiffening rib 513 between the binding side facing mutually.Increase the rigidity of retainer thus, guarantee reliable maintenance and guiding steel ball.
Fig. 3-6 shows a kind of embodiment of the present invention, Fig. 7,8 shows another kind of embodiment of the present invention, Fig. 9-13 shows another embodiment of the present invention, in view of its structure has illustrated in the drawings and hereinbefore the function of each structure has been illustrated, no longer two embodiments are given unnecessary details one by one at this.
Retainer of the present invention can be made with bakelite and engineering nylon, and is wherein lower with the engineering nylon manufacture cost, can get extensively utilization.Retainer of the present invention can be widely used in the seal ball bearing occasion that automobile high-speed tension wheel shaft bearing etc. requires high speed rotating.
Claims (10)
1, the high speed retainer of bi-face sealed ball bearing, be to go up a plurality of ball pockets holes (52) that distribute at the ring-type support body (51) of integrative-structure, each ball pocket hole (52) has the ball pocket hole opening (53) towards the same end of ring-type support body (51), ring-type support body one end at described ball pocket hole opening (53) place forms the opening end (54) of ring-type support body, the ring-type support body the other end forms the closed end (55) of ring-type support body, it is characterized in that: inhale runner in the corresponding position of facing mutually between the two ball pocket holes of closed end (55) of described ring-type support body is provided with dynamically.
2, the high speed retainer of bi-face sealed ball bearing according to claim 1 is characterized in that facing mutually on the described ring-type support body (51) between the two ball pocket holes by pontic (56) and connecting, and describedly inhales runner in dynamically and is positioned on the described pontic (56).
3, the high speed retainer of bi-face sealed ball bearing according to claim 2 is characterized in that the described dynamically interior runner of inhaling is for being opened in the radial indentation (57) of the closed end (55) that is positioned at described ring-type support body on the described pontic (56).
4, the high speed retainer of bi-face sealed ball bearing according to claim 3, it is characterized in that described radial indentation (57) inboard port (B1) area greater than its outside port (B2) area.
5,, it is characterized in that the outside port (B2) of described radial indentation (57) is offset to the same side with respect to its inboard port (B1) is consistent according to the high speed retainer of claim 3 or 4 described bi-face sealed ball bearings.
6, the high speed retainer of bi-face sealed ball bearing according to claim 3, it is characterized in that on described pontic (56), being provided with closed end stiffening rib (58) also at least at the recess (59) of the inboard of this closed end stiffening rib (58) formation with respect to described pontic (56), the thickness of described closed end stiffening rib (t) is less than the thickness (T) of pontic, and described radial indentation (57) is that the outer (510) by described closed end stiffening rib forms to opening end (54) indent of ring-type support body from the closed end (55) of ring-type support body.
7, the high speed retainer of bi-face sealed ball bearing according to claim 6 is characterized in that the outer indent of described closed end stiffening rib is the smoothed curve shape.
8, the high speed retainer of bi-face sealed ball bearing according to claim 6 is characterized in that the thickness (t) of described closed end stiffening rib is not more than 2/3 of pontic thickness (T).
9, according to the high speed retainer of claim 6,7 or 8 described bi-face sealed ball bearings, the interior edge (511) that it is characterized in that described recess (59) from the closed end (55) of ring-type support body to opening end (54) indent of ring-type support body and be the smoothed curve shape.
10, the high speed retainer of bi-face sealed ball bearing according to claim 1, it is characterized in that each ball pocket hole (52) has the binding side (512) that the opening end (54) of the described ring-type support body of a subtend extends out, facing mutually of two ball pocket holes be provided with opening end stiffening rib (513) between the binding side facing mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101004263A CN101586627B (en) | 2009-06-30 | 2009-06-30 | High speed retainer of bi-face sealed ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101004263A CN101586627B (en) | 2009-06-30 | 2009-06-30 | High speed retainer of bi-face sealed ball bearing |
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| Publication Number | Publication Date |
|---|---|
| CN101586627A true CN101586627A (en) | 2009-11-25 |
| CN101586627B CN101586627B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101004263A Active CN101586627B (en) | 2009-06-30 | 2009-06-30 | High speed retainer of bi-face sealed ball bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361284A (en) * | 2018-05-09 | 2018-08-03 | 海宁科巍轴承科技有限公司 | A kind of ceramic bearing of new type superthin wall high abrasion |
| CN110541885A (en) * | 2019-09-20 | 2019-12-06 | 河南科技大学 | Turntable bearing with high limit rotating speed |
-
2009
- 2009-06-30 CN CN2009101004263A patent/CN101586627B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361284A (en) * | 2018-05-09 | 2018-08-03 | 海宁科巍轴承科技有限公司 | A kind of ceramic bearing of new type superthin wall high abrasion |
| CN110541885A (en) * | 2019-09-20 | 2019-12-06 | 河南科技大学 | Turntable bearing with high limit rotating speed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101586627B (en) | 2011-02-02 |
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Application publication date: 20091125 Assignee: Hangzhou sincere automobile bearing Co., Ltd Assignor: Chen Bingshun Contract record no.: 2015330000182 Denomination of invention: High speed retainer of bi-face sealed ball bearing Granted publication date: 20110202 License type: Exclusive License Record date: 20150703 |
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