CN102364137B - Wedge block type one-way bearing anti-falling device with fat storage function - Google Patents
Wedge block type one-way bearing anti-falling device with fat storage function Download PDFInfo
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- CN102364137B CN102364137B CN 201110362798 CN201110362798A CN102364137B CN 102364137 B CN102364137 B CN 102364137B CN 201110362798 CN201110362798 CN 201110362798 CN 201110362798 A CN201110362798 A CN 201110362798A CN 102364137 B CN102364137 B CN 102364137B
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Abstract
The invention relates to a wedge block type one-way bearing anti-falling device with a fat storage function for a washing machine clutch. Two lower stairs are arranged on a ball pocket base corresponding to a position on a wall body at the middle section of a through hole; two upper stairs are arranged on the ball pocket base corresponding to a position on the wall body at the top end of the through hole; the upper stairs are wider than the lower stairs; an anti-falling mechanism comprises an inner reverse buckle and an outer reverse buckle; the bottom end parts of the inner reverse buckle and the outer reverse buckle are connected to form a whole; an elastic slot is formed between the inner reverse buckle and the outer reverse buckle; a guide inclined surface is formed on the upper section of the inner side wall of the inner reverse buckle; a guide inclined surface is formed on the upper section of the outer side wall of the outer reverse buckle; and installation stairs buckled with the lower stair are arranged on the inner reverse buckle and the outer reverse buckle. By adopting a double-reverse-buckle bidirectional locking elastic press-in connection anti-falling device, the problem of falling of a wedge block of a wedge block type one-way bearing is solved; by adopting two stairs, radial locking and axial locking can be realized simultaneously; furthermore, due to the fat storage function, the lubricity of the bearing is improved, the service life of the bearing is prolonged, and noise is reduced.
Description
Technical field
The invention belongs to the unilateral bearing technical field, the sprag type one-way bearing anti-drop device of especially a kind of clutch coupling of washing machine with grease storage function.
Background technique
The voussoir anti-drop device of existing sprag type one-way bearing, mostly adopt circumference equal dividing post and hole, interference fit prevents that voussoir from ejecting bearing after being subjected to axial force between the utilization, also is 200820036787.7 single fixing seal lid and the described anti-drop device of retainer bonding apparatus just like application number.Because the clutch coupling of washing machine sprag type one-way bearing at work swing of cylinder is large, the axial force that produces when stop is not continuously constant axial force, and it is loosening that the voussoir fixed cover is produced under the responsive to axial force of voussoir, at first local shedding or fracture finally causes failure of apparatus.When High Rotation Speed, the grease of sphere is taken the ball pocket easily out of simultaneously, causes bearing life to descend, and noise raises.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of voussoir that can solve the sprag type one-way bearing come off problem, can be radially with axially simultaneously locking, again the sprag type one-way bearing anti-drop device with grease storage function of storage grease function arranged.
According to technological scheme provided by the invention, described sprag type one-way bearing anti-drop device with grease storage function comprises conjuncted retainer and voussoir fixed cover;
Described conjuncted retainer comprises ball reveal all the details seat, ball pocket and connecting body, be fixed with the ball pocket at each ball seat of revealing all the details, connect by connecting body between adjacent two ball pockets, offer unidirectional groove at each ball seat of revealing all the details, offer through hole at each ball seat of revealing all the details, the tip portion of through hole communicates with the face of revealing all the details of ball pocket;
Described voussoir fixed cover comprises fixed cover base ring, escapement and unidirectional, the escapement that arranges in the upper surface fixed intervals of fixed cover base ring, upper surface at the fixed cover base ring of a side of each escapement is fixed with unidirectional, and unidirectional cooperates with unidirectional groove;
The ball of wall body position, the corresponding through hole stage casing seat of revealing all the details is provided with two and gets out of a predicament or an embarrassing situation, and the ball of the corresponding through hole top end wall body position seat of revealing all the details is provided with two and tops bar, and the width of topping bar is greater than the width of getting out of a predicament or an embarrassing situation;
Described escapement comprises interior back-off and the outer back-off that the bottom is integrally connected, be provided with elastic groove between interior back-off and the outer back-off, the madial wall epimere of interior back-off is provided with lead-in chamfered, the outer side wall epimere of outer back-off is provided with lead-in chamfered, is equipped with and the installation step of getting out of a predicament or an embarrassing situation and fastening at interior back-off and outer back-off.
Two lines of getting out of a predicament or an embarrassing situation in same ball is revealed all the details seat are by the axis of conjuncted retainer.Two lines of topping bar in same ball is revealed all the details seat are by the axis of conjuncted retainer.Interior back-off on the same escapement and the line of outer back-off are by the axis of voussoir fixed cover.
The present invention adopts two back-offs, bidirectional locking elasticity to be pressed into the connection anti-drop device, the voussoir that has solved the sprag type one-way bearing problem that comes off, adopt double step radially with axially to lock simultaneously, storage grease function is arranged again, improve the lubricity of bearing, improve simultaneously bearing working life and reduce noise.
Description of drawings
Fig. 1 is overall structure schematic representation of the present invention.
Fig. 2 is A part enlarged view among Fig. 1.
Fig. 3 is one of stereogram of conjuncted retainer among the present invention.
Fig. 4 be conjuncted retainer among the present invention stereogram two.
Fig. 5 is the B-B sectional view of Fig. 3.
Fig. 6 is the stereogram of voussoir fixed cover among the present invention.
Fig. 7 is the C-C sectional view of Fig. 6.
Fig. 8 is the structural representation of the voussoir anti-drop device of background technique description.
Fig. 9 is D part enlarged view among Fig. 8.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: this comprises conjuncted retainer 1 and voussoir fixed cover 2 with the sprag type one-way bearing anti-drop device of grease storage function;
Described conjuncted retainer 1 comprises ball reveal all the details seat 11, ball pocket 12 and connecting body 13,11 be fixed with ball pocket 12 at each ball seat of revealing all the details, connect by connecting body 13 between adjacent two ball pockets 12,11 offer unidirectional groove 17 at each ball seat of revealing all the details, 11 offer through hole 14 at each ball seat of revealing all the details, the tip portion of through hole 14 communicates with the face of revealing all the details of ball pocket 12;
Described voussoir fixed cover 2 comprises fixed cover base ring 21, escapement and unidirectional 22, the escapement that arranges in the upper surface fixed intervals of fixed cover base ring 21, upper surface at the fixed cover base ring 21 of a side of each escapement is fixed with unidirectional 22, and unidirectional 22 cooperates with unidirectional groove 17;
The ball of wall body position, the corresponding through hole 14 stage casing seat 11 of revealing all the details is provided with two and gets out of a predicament or an embarrassing situation 15, and the ball of the corresponding through hole 14 top end wall body positions seat 11 of revealing all the details is provided with two and tops bar 16, and 16 the width of topping bar is greater than getting out of a predicament or an embarrassing situation 15 width;
Described escapement comprises the interior back-off 23 and outer back-off 24 that the bottom is integrally connected, interior back-off 23 is near the inner circle of fixed cover base ring 21 and setting inwardly, outer back-off 24 is near the cylindrical of fixed cover base ring 21 and setting outwardly, be provided with elastic groove 25 between interior back-off 23 and the outer back-off 24, the madial wall epimere of interior back-off 23 is provided with lead-in chamfered 26, the outer side wall epimere of outer back-off 24 is provided with lead-in chamfered 26, is equipped with and 15 installation steps 27 that fasten of getting out of a predicament or an embarrassing situation at interior back-off 23 and outer back-off 24.
Pass through the axis of conjuncted retainer 1 at same ball get out of a predicament or an embarrassing situation 15 the line of in 11 two of seat of revealing all the details.Pass through the axis of conjuncted retainer 1 at same ball top bar 16 the line of in 11 two of seat of revealing all the details.Interior back-off 23 on the same escapement and the axis of the line of outer back-off 24 by voussoir fixed cover 2.
At least two above through holes 14 are to the face of revealing all the details of ball pocket 12 on the described conjuncted retainer 1; Conjuncted retainer 1 in the through hole 14 be provided with get out of a predicament or an embarrassing situation 15 with top bar 16;
The fixed mechanism of described voussoir fixed cover 2 has interior back-off 23 and outer back-off 24, interior back-off 23 and outer back-off 24 are provided with getting out of a predicament or an embarrassing situation in installation step 27 and the conjuncted retainer 1 and 15 interlock, interior back-off 23 is provided with as making things convenient for gland with outer back-off 24, make back-off be easy to be pressed into lead-in chamfered 26 and elastic groove 25 in the through hole, make interior back-off 23 and the outer back-off 24 can be by behind the through hole 14 on the conjuncted retainer 1, rely on elastic groove 28 to produce elastic force with back-off 22,23 with conjuncted retainer 1 in the 15 phase back-offs of getting out of a predicament or an embarrassing situation, simultaneously, the ball of conjuncted retainer 1 is revealed all the details, and the interior back-off 23 of fixed mechanism produces interference fit with outer back-off 24 positions (being top) in the through hole 14 of seat in 11 and the voussoir fixed cover 2.
In through hole 11, top bar 16, can avoid in the sprag type one-way bearing High Rotation Speed process steel ball and interior back-off 23 and outer back-off 24 problem that bumps.
The present invention all improves conjuncted retainer 1, voussoir fixed cover 2, and voussoir fixed cover 2 adopts two back-offs, bidirectional locking elasticity to be pressed into the connection anti-drop device, and conjuncted retainer 1, voussoir fixed cover 2 are interlocked mutually.
The ball of conjuncted retainer 1 is revealed all the details through hole 14 that seat opens two above rectangles on 11 axial ends to the face of revealing all the details of ball pocket 12, the ball in the through hole 14 reveal all the details seat 11 be provided with get out of a predicament or an embarrassing situation 15 with top bar 16.Fixed mechanism in the voussoir fixed cover 2 has interior back-off 23 and outer back-off 24, they with conjuncted retainer 1 in get out of a predicament or an embarrassing situation and 15 cooperate, interior back-off 23 is provided with as making things convenient for gland with outer back-off 24, make back-off be easy to be pressed into lead-in chamfered 26 and elastic groove 25 in the through hole 14, make interior back-off 23 and the outer back-off 24 can be by the ball of conjuncted retainer 1 reveal all the details the through hole 14 in the seat 11 of ball in the seat 11 of revealing all the details, rely on elastic groove 25 to produce elastic force with the 15 phase back-offs of getting out of a predicament or an embarrassing situation in interior back-off 23 and outer back-off 24 and the conjuncted retainer 1, simultaneously, the interior back-off 23 that ball is revealed all the details in the fixed mechanism of seat 11 through hole 14 and voussoir fixed cover 2 on the conjuncted retainer 1 produces interference fit with outer back-off 24 tops.
Like this, using two back-offs, bidirectional locking elasticity to be pressed into the connection anti-drop device interlocks conjuncted retainer, voussoir fixed cover mutually, thereby guarantee to use the sprag type one-way bearing voussoir fixed cover in the one-way stop process behind this anti-drop device under the responsive to axial force of voussoir, can not produce local loosening phenomenon, solved because the voussoir fixed cover produces under the responsive to axial force of voussoir and become flexible, at first local shedding or fracture, finally cause the problem of failure of apparatus.In addition, top bar 16 in the conjuncted retainer 1, both avoided in the High Rotation Speed process in the steel ball and ball pocket 12 the interior back-off on the voussoir fixed cover 2 23 and the outer back-off 24 tops problem that bumps, storage grease function is arranged again simultaneously, improve the lubricity performance of bearing.Solved the sprag type one-way bearing when High Rotation Speed, the grease of sphere is taken easily the ball pocket out of, is caused the problem that bearing life descends, noise raises.
Claims (4)
1. the sprag type one-way bearing anti-drop device with grease storage function comprises conjuncted retainer (1) and voussoir fixed cover (2);
Described conjuncted retainer (1) comprises ball reveal all the details seat (11), ball pocket (12) and connecting body (13), each ball reveal all the details the seat (11) be fixed with ball pocket (12), connect by connecting body (13) between adjacent two ball pockets (12), each ball reveal all the details the seat (11) offer unidirectional groove (17), each ball reveal all the details the seat (11) offer through hole (14), the tip portion of through hole (14) communicates with the face of revealing all the details of ball pocket (12);
Described voussoir fixed cover (2) comprises fixed cover base ring (21), escapement and unidirectional (22), the escapement that arranges in the upper surface fixed intervals of fixed cover base ring (21), upper surface at the fixed cover base ring (21) of a side of each escapement is fixed with unidirectional (22), and unidirectional (22) cooperate with unidirectional groove (17);
It is characterized in that: the ball of wall body position, corresponding through hole (14) stage casing reveal all the details the seat (11) be provided with two get out of a predicament or an embarrassing situation (15), the ball of corresponding through hole (14) the top end wall body position seat (11) of revealing all the details is provided with two top bar (16), and the width of top bar (16) is greater than the width of get out of a predicament or an embarrassing situation (15);
Described escapement comprises the interior back-off (23) and outer back-off (24) that the bottom is integrally connected, be provided with elastic groove (25) between interior back-off (23) and the outer back-off (24), the madial wall epimere of interior back-off (23) is provided with lead-in chamfered (26), the outer side wall epimere of outer back-off (24) is provided with lead-in chamfered (26), is equipped with the installation step (27) that fastens with get out of a predicament or an embarrassing situation (15) at interior back-off (23) and outer back-off (24).
2. the sprag type one-way bearing anti-drop device with grease storage function as claimed in claim 1 is characterized in that: the line of two get out of a predicament or an embarrassing situation (15) in same ball is revealed all the details seat (11) passes through the axis of conjuncted retainer (1).
3. the sprag type one-way bearing anti-drop device with grease storage function as claimed in claim 1 is characterized in that: the line of two top bar (16) in same ball is revealed all the details seat (11) passes through the axis of conjuncted retainer (1).
4. the sprag type one-way bearing anti-drop device with grease storage function as claimed in claim 1 is characterized in that: the interior back-off (23) on the same escapement and the axis of the line of outer back-off (24) by voussoir fixed cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110362798 CN102364137B (en) | 2011-11-16 | 2011-11-16 | Wedge block type one-way bearing anti-falling device with fat storage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110362798 CN102364137B (en) | 2011-11-16 | 2011-11-16 | Wedge block type one-way bearing anti-falling device with fat storage function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102364137A CN102364137A (en) | 2012-02-29 |
| CN102364137B true CN102364137B (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110362798 Active CN102364137B (en) | 2011-11-16 | 2011-11-16 | Wedge block type one-way bearing anti-falling device with fat storage function |
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| Country | Link |
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| CN (1) | CN102364137B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438712B (en) * | 2016-10-18 | 2018-05-15 | 扬州海昌新材股份有限公司 | A kind of unilateral bearing of self-lubricating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938632A (en) * | 1974-01-23 | 1976-02-17 | Ringspann Albrecht Maurer K.G. | Overrunning clutch |
| CN201202735Y (en) * | 2008-05-23 | 2009-03-04 | 无锡华洋滚动轴承有限公司 | Apparatus for jointing single fixing seal cap and retainer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7093703B2 (en) * | 2003-04-23 | 2006-08-22 | Koyo Seiko Co., Ltd. | One-way clutch integrated with a rolling bearing, and method of producing the same |
| DE102010007789A1 (en) * | 2010-02-12 | 2011-08-18 | Schaeffler Technologies GmbH & Co. KG, 91074 | Plastic cage for a rolling bearing |
-
2011
- 2011-11-16 CN CN 201110362798 patent/CN102364137B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3938632A (en) * | 1974-01-23 | 1976-02-17 | Ringspann Albrecht Maurer K.G. | Overrunning clutch |
| CN201202735Y (en) * | 2008-05-23 | 2009-03-04 | 无锡华洋滚动轴承有限公司 | Apparatus for jointing single fixing seal cap and retainer |
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| Publication number | Publication date |
|---|---|
| CN102364137A (en) | 2012-02-29 |
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