Integrated lubricating channel bearing retainer
By integrating the lubrication channel into the bearing cage design, the problem of poor lubrication effect is solved, and the effective storage, guidance and obstruction of lubricating oil are achieved, thereby improving the lubrication effect and service life of the bearing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-13
- Publication Date
- 2026-03-24
AI Technical Summary
The existing bearing cage has poor lubrication, which leads to increased friction and shortened service life.
Design an integrated lubrication channel bearing cage, comprising a cage body, an annular oil reservoir strip and a cap, and set with annular inner and outer oil passages, micro lubrication channels and flow-blocking grooves to realize the storage, guidance and flow-blocking of lubricating oil, and ensure that the lubricating oil fully covers the steel balls.
It improves lubrication, reduces friction, and extends the service life of bearings.
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Figure CN224032961U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to bearing retainer technical field, concretely is a kind of integrated lubrication passage bearing retainer. BACKGROUND
[0002] Rolling bearing is generally composed of inner ring, outer ring, rolling element and retainer, the retainer can evenly distribute rolling element between inner ring and outer ring, ensure the stability of bearing work. In the process of rotation, sliding friction will occur between bearing retainer and rolling element, when lubrication is not comprehensive between bearing retainer and rolling element, it will lead to aggravation of friction, at the same time, a large amount of heat will be generated, affect the service life of bearing, therefore, the present application proposes a kind of integrated lubrication passage bearing retainer. SUMMARY
[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of integrated lubrication passage bearing retainer, effectively solve the problem of poor lubrication effect of existing bearing retainer.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of integrated lubrication passage bearing retainer, including bearing retainer body, the bearing retainer body is by retainer main body, annular oil storage cotton strip one, annular cover one, annular oil storage cotton strip two and annular cover two, is equipped with a plurality of steel ball installation groove on retainer main body, annular recess one is equipped at the one end of retainer main body, annular oil storage cotton strip one and annular cover one are all installed in the inside of annular recess one, annular recess two is equipped at the one end of retainer main body far from annular recess one, annular oil storage cotton strip two and annular cover two are all installed in the inside of annular recess two, and annular cover one and annular cover two are all equipped with oil injection hole;
[0005] The middle position of the arc-shaped inner surface of retainer main body is equipped with annular inner oil channel, the middle position of the arc-shaped outer surface of retainer main body is equipped with annular outer oil channel, a plurality of micro-lubrication straight channels and micro-lubrication arc-shaped channels, which are communicated with annular inner oil channel and annular outer oil channel, are equipped in the inside of steel ball installation groove, micro-lubrication arc-shaped channels are symmetrically arranged on the two sides of micro-lubrication straight channels, and a plurality of inner oil holes, which are communicated with annular recess one, annular recess two and steel ball installation groove, are equipped on retainer main body.
[0006] Preferably, the edges of the micro-lubrication straight channels and the micro-lubrication arc-shaped channels are both rounded.
[0007] Preferably, bolt mounting seats are fixedly arranged in the inside of annular recess one and annular recess two, and annular cover one and annular cover two are connected with bolt mounting seats through a plurality of micro-bolts.
[0008] Preferably, the two ends of the arc-shaped outer surface of the cage body are provided with annular flow resistance outer grooves, and the two annular flow resistance outer grooves are symmetrical structures.
[0009] Preferably, the two ends of the arc-shaped inner surface of the cage body are provided with annular flow resistance inner grooves, and the two annular flow resistance inner grooves are symmetrical structures.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] (1), in the work, through setting up by the cage body, annular oil storage cotton strip one, annular cover one, annular oil storage cotton strip two and annular cover two constitute the bearing cage body, and be provided with annular recess one, annular recess two, oil injection hole and inner oil hole, can play the oil storage function, in the bearing working process, can make lubricating oil enter the inside of steel ball installation groove, improve the lubrication effect of steel ball and bearing cage body;
[0012] (2), through being provided with annular inner oil channel, annular outer oil channel, miniature lubrication straight passage and miniature lubrication arc-shaped passage, can flow guiding to lubricating oil, makes lubricating oil can cover bearing cage body, simultaneously can make lubricating oil fully coat steel ball, improves lubrication effect, reduces the friction of steel ball and bearing cage body, improves the service life;
[0013] (3), through setting up annular flow resistance outer groove and annular flow resistance inner groove, can utilize the tension effect of lubricating oil to flow resistance lubricating oil, reduces the possibility of lubricating oil overflow. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application, and together with the application serve to explain the present application, and do not limit the present application.
[0015] In the drawings:
[0016] Fig. 1 It is integrated lubrication channel bearing cage structure schematic view for the utility model;
[0017] Fig. 2 It is integrated lubrication channel bearing cage explosion view for the utility model;
[0018] Fig. 3 It is integrated lubrication channel bearing cage local section view for the utility model;
[0019] In the figure: 1, bearing retainer body; 2, retainer body; 3, annular oil storage cotton strip one; 4, annular cover one; 5, annular oil storage cotton strip two; 6, annular cover two; 7, steel ball mounting groove; 8, annular groove one; 9, annular groove two; 10, annular inner oil channel; 11, annular outer oil channel; 12, micro lubrication straight channel; 13, micro lubrication arc channel; 14, inner oil hole; 15, bolt mounting seat; 16, micro bolt; 17, annular resistance flow outer groove; 18, annular resistance flow inner groove; 19, oil injection hole. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] By Figs. 1 to 3 The utility model discloses an integrated lubrication channel bearing retainer, including bearing retainer body 1, bearing retainer body 1 is by retainer body 2, annular oil storage cotton strip one 3, annular cover one 4, annular oil storage cotton strip two 5 and annular cover two 6 are constituted, is set up with a plurality of steel ball mounting groove 7 on retainer body 2, is set up with annular groove one 8 on one end of retainer body 2, annular oil storage cotton strip one 3 and annular cover one 4 are all installed in the inside of annular groove one 8, is set up with annular groove two 9 on one end of retainer body 2 away from annular groove one 8, annular oil storage cotton strip two 5 and annular cover two 6 are all installed in the inside of annular groove two 9, is set up with oil injection hole 19 on annular cover one 4 and annular cover two 6,
[0022] Annular cover one 4 encapsulates annular oil storage cotton strip one 3 in the inside of annular groove one 8, annular cover two 6 encapsulates annular oil storage cotton strip two 5 in the inside of annular groove two 9, is injected to the inside of annular groove one 8 and annular groove two 9 through oil injection hole 19, and annular oil storage cotton strip one 3 and annular oil storage cotton strip two 5 realize the storage to lubricating oil,
[0023] The middle position of the arc-shaped inner surface of retainer body 2 is provided with annular inner oil channel 10, the middle position of the arc-shaped outer surface of retainer body 2 is provided with annular outer oil channel 11, a plurality of micro lubrication straight channels 12 and micro lubrication arc channels 13 in communication with annular inner oil channel 10 and annular outer oil channel 11 are provided in the inside of steel ball mounting groove 7, the micro lubrication arc channels 13 are symmetrically arranged on the two sides of micro lubrication straight channel 12, a plurality of inner oil holes 14 in communication with annular groove one 8, annular groove two 9 and steel ball mounting groove 7 are provided on retainer body 2,
[0024] During the working process of the bearing, the retainer main body 2 also rotates synchronously with the steel ball, the annular oil storage cotton bar one 3 and the annular oil storage cotton bar two 5 rotate with the retainer main body 2, and centrifugal force is generated during the rotation process, so that the annular oil storage cotton bar one 3 and the annular oil storage cotton bar two 5 are slightly deformed, and the lubricating oil is squeezed out by the slight deformation, and the lubricating oil enters the inner surface of the steel ball mounting groove 7 through the inner oil hole 14, so as to realize the lubrication of the steel ball, and part of the lubricating oil will enter the inside of the micro-lubricating straight channel 12 and the micro-lubricating arc-shaped channel 13, and due to the working process of the bearing, the steel ball will move radially, the outer surface of the steel ball is attached to the micro-lubricating straight channel 12 and the micro-lubricating arc-shaped channel 13, which further improves the lubrication effect, reduces the contact area with the retainer main body 2, and reduces the friction force, and the lubricating oil in the micro-lubricating straight channel 12 and the micro-lubricating arc-shaped channel 13 also enters the inside of the annular inner oil channel 10 and the annular outer oil channel 11, and the lubricating oil is guided by the annular inner oil channel 10 and the annular outer oil channel 11, so that the lubricating oil is uniformly distributed;
[0025] The edges of the micro-lubricating straight channel 12 and the micro-lubricating arc-shaped channel 13 are all chamfered structures, which can avoid abrasion to the steel ball;
[0026] The annular recess one 8 and the annular recess two 9 are both fixedly provided with bolt mounting seats 15, and the annular cover one 4 and the annular cover two 6 are connected with the bolt mounting seats 15 through a plurality of micro-bolts 16, which can improve the stability of the connection;
[0027] The two ends of the arc-shaped outer surface of the retainer main body 2 are both provided with annular flow resistance outer grooves 17, and the two annular flow resistance outer grooves 17 are symmetrical structures, and the two ends of the arc-shaped inner surface of the retainer main body 2 are both provided with annular flow resistance inner grooves 18, and the two annular flow resistance inner grooves 18 are symmetrical structures;
[0028] When the lubricating oil flows along the inner and outer surfaces of the retainer main body 2, the excess lubricating oil will enter the inside of the annular flow resistance outer groove 17 and the annular flow resistance inner groove 18, at this time, the lubricating oil will be retained in the inside of the annular flow resistance outer groove 17 and the annular flow resistance inner groove 18 due to the action of its own tension, avoiding overflow, when the retainer main body 2 rotates, the excess lubricating oil will be thrown to the inner surface of the bearing outer ring, improving the lubrication effect of the steel ball and the bearing outer ring.
[0029] In work, by setting up the bearing retainer body which is composed of the retainer body, the annular oil storage cotton bar one, the annular cover one, the annular oil storage cotton bar two and the annular cover two, and setting up the annular groove one, the annular groove two, the oil injection hole and the inner oil hole, the oil storage function can be achieved, and in the working process of the bearing, the lubricating oil can enter the inside of the steel ball installation groove, improving the lubricating effect of the steel ball and the bearing retainer body; By setting the annular inner oil channel, the annular outer oil channel, the micro lubrication straight channel and the micro lubrication arc channel, the lubricating oil can be guided to cover the bearing retainer body, and at the same time, the lubricating oil can fully cover the steel ball, improving the lubricating effect, reducing the friction between the steel ball and the bearing retainer body, and prolonging the service life; By setting the annular resistance flow outer groove and the annular resistance flow inner groove, the lubricating oil can be blocked by the tension of the lubricating oil, reducing the possibility of lubricating oil overflow.
Claims
1. An integrated lubrication channel bearing cage, comprising a bearing cage body (1), characterized in that: The bearing cage body (1) is composed of a cage body (2), an annular oil reservoir strip (3), an annular cover (4), an annular oil reservoir strip (5), and an annular cover (6). The cage body (2) has several steel ball mounting grooves (7). An annular groove (8) is provided at one end of the cage body (2). The annular oil reservoir strip (3) and the annular cover (4) are both installed inside the annular groove (8). An annular groove (9) is provided at the end of the cage body (2) away from the annular groove (8). The annular oil reservoir strip (5) and the annular cover (6) are both installed inside the annular groove (9). The annular cover (4) and the annular cover (6) are both provided with oil injection holes (19). An annular inner oil passage (10) is provided at the middle position of the arc-shaped inner surface of the cage body (2), and an annular outer oil passage (11) is provided at the middle position of the arc-shaped outer surface of the cage body (2). Several micro-lubrication straight channels (12) and micro-lubrication arc channels (13) are provided inside the steel ball mounting groove (7) and are connected to the annular inner oil passage (10) and the annular outer oil passage (11). The micro-lubrication arc channels (13) are symmetrically arranged on both sides of the micro-lubrication straight channels (12). Several inner oil holes (14) are provided on the cage body (2) and are connected to the annular groove one (8), the annular groove two (9) and the steel ball mounting groove (7).
2. The integrated lubrication channel bearing cage according to claim 1, characterized in that: The edges of the micro lubrication straight channel (12) and the micro lubrication arc channel (13) are both rounded.
3. The integrated lubrication channel bearing cage according to claim 1, characterized in that: Both the first annular groove (8) and the second annular groove (9) are fixedly provided with bolt mounting seats (15), and the first annular cover (4) and the second annular cover (6) are connected to the bolt mounting seats (15) by several micro bolts (16).
4. The integrated lubrication channel bearing cage according to claim 1, characterized in that: The two ends of the arc-shaped outer surface of the cage body (2) are provided with annular flow-blocking grooves (17), and the two annular flow-blocking grooves (17) are symmetrical.
5. The integrated lubrication channel bearing cage according to claim 1, characterized in that: The two ends of the arc-shaped inner surface of the cage body (2) are provided with annular flow-blocking grooves (18), and the two annular flow-blocking grooves (18) are symmetrical.