CN203979129U - Bearing - Google Patents
Bearing Download PDFInfo
- Publication number
- CN203979129U CN203979129U CN201420440640.XU CN201420440640U CN203979129U CN 203979129 U CN203979129 U CN 203979129U CN 201420440640 U CN201420440640 U CN 201420440640U CN 203979129 U CN203979129 U CN 203979129U
- Authority
- CN
- China
- Prior art keywords
- cock body
- ball
- outer ring
- raceway
- bearing
- 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
Classifications
-
- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
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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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/70—Diameters; Radii
- F16C2240/80—Pitch circle diameters [PCD]
- F16C2240/82—Degree of filling, i.e. sum of diameters of rolling elements in relation to PCD
- F16C2240/84—Degree of filling, i.e. sum of diameters of rolling elements in relation to PCD with full complement of balls or rollers, i.e. sum of clearances less than diameter of one rolling element
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of bearing, aim to provide a kind of bearing that facilitates installation and maintenance, its technological scheme main points are to offer ball-loading hole at place, outer ring, cock body and ball-loading hole are set and form screw-thread fit, cock body is simultaneously provided with draw-in groove, and ball-loading hole place offers keyhole on outer ring, when cock body is twisted precalculated position, draw-in groove and consent form straight channels, be provided with retainingf key the position of cock body is fixed, and retainingf key is placed in passage.The utility model is applicable to various rolling bearings, particularly ball type rolling bearing.
Description
Technical field
The utility model relates to a kind of bearing, and more particularly, it relates to a kind of bearing of being convenient to installation and maintenance.
Background technique
Application number is that 201320062920.7 Chinese patent discloses a kind of bearing maintaining easily, dismountable protecting cover that it comprises inner sleeve, overcoat, is arranged on the ball between inner sleeve and overcoat and is arranged on ball outside, on its outer casing inner wall, be provided with groove, in groove, install porose with snap ring, put the movable block being provided with for dismounting ball within it, on movable block, be provided with keyway, at the protecting cover back side, be provided with the key pin matching with keyway, in movable block side, be provided with guiding groove.Although this bearing has been simplified the housekeeping operation of bearing, realized the effect maintaining easily, but movable block puts in being arranged on, in order to retain suitable space to the dismounting of movable block and the taking-up of ball, certainly will be restricted to the diameter of the diameter of the width of inner sleeve and mesopore and ball, can not be applicable to the bearing of different size specifications completely, separately on the restriction of inner sleeve width, also may affect the steadiness of bearing, the structure of this bearing is also relatively complicated, simplify on the one hand the maintenance of bearing, dismounting is too complicated on the other hand, is not easy to produce and promote.
Application number is that 200410041812.7 Chinese patent discloses a kind of bearing, it comprises that central authorities have inner ring, outer ring, inner ring raceway, outer ring raceway, ball, ball-loading hole, the front of mounting hole to have the abaculus of abaculus raceway, are provided with patch in the bottom of its ball-loading hole.This bearing has been simplified the installation of bearing by ball-loading hole and abaculus, but owing to not having the relatively fixing of trickle position between abaculus and patch and inner ring, may there is trickle position skew in abaculus in other words, this skew is very trickle, but impact is but very large for the bearing running up, the skew of abaculus and inner ring location causes the unsmooth of inner ring raceway, in addition for abaculus and patch are easily installed, its material is all nylon, but nylon also has flexible feature, when bearing is during in operating condition, ball is shown newly to go out not steady when rolling through abaculus place inner ring raceway, noise is large, also easily damage ball, even cause whole bearing to be scrapped.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of bearing of being convenient to dismounting and maintenance.
For achieving the above object, the utility model provides following technological scheme: a kind of bearing, mainly comprise outer ring, inner ring, outer ring raceway, inner ring raceway, ball, ball-loading hole and cock body, inner ring center is mounting hole, outer ring raceway is positioned on the inner circumference of outer ring, inner ring raceway is positioned on the excircle of inner ring, ball is placed between inner ring raceway and outer ring raceway, ball-loading hole is positioned on outer ring, cock body is placed in ball-loading hole, cock body is cylindric, the one side of cock body is cock body raceway, cock body raceway matches with outer ring raceway, cock body is provided with draw-in groove with respect to the opposite side of cock body raceway, cock body outer wall is provided with outside thread, ball-loading hole inwall is provided with internal thread, outside thread matches with internal thread.
By adopting technique scheme, can utilize draw-in groove to twist the cock body cock body of back-outing by use instrument, then take out or insert ball, be very easy to dismounting and the maintenance of bearing.
The utility model is further set to: described bearing also comprises for the retainingf key of fixed plug body position and the keyhole that matches with retainingf key, keyhole is opened on the outer ring at ball-loading hole place, and connect draw-in groove, formation straight channels matches with draw-in groove, retainingf key is arranged in passage and matches with passage, the degree of depth of the draw-in groove on described cock body be cock body height 1/4 to 1/3 between.
By adopting technique scheme, when bearing is installed, cock body is screwed to behind precalculated position, draw-in groove and keyhole form a straight channels, now key in retainingf key, the relative position of cock body and outer ring is fixed, prevent from that cock body from not twisting to put in place or the skew at relative seat occurs cock body in bearing operation process, because of cock body raceway and the unsmooth running that affects bearing of outer ring raceway, cause ball to damage even bearing and scrap.
The utility model also can further be set to: for coordinating between the retainingf key of fixed plug body position and passage be transition fit.
By adopting technique scheme, can prevent that retainingf key gets loose in bearing operation process, thereby cause the relative position of cock body and outer ring to be offset.
The utility model is also further set to: the outside thread of described cock body, between draw-in groove and cock body raceway, matches with it, and the internal thread of described ball-loading hole is between keyhole and outer ring raceway.The outside thread of described cock body and the outer wall thickness between draw-in groove are concordant with externally threaded screw thread point place, outer wall thickness between outside thread and cock body raceway is concordant with outside thread thread bottom, ground matches with it, internal thread and the inner wall thickness between keyhole of described ball-loading hole are concordant with the thread bottom of internal thread, and the inner wall thickness between internal thread and outer ring raceway is concordant with the screw thread of internal thread point place.
Because worm structure can be done trickle adjustment, by adopting technique scheme, cock body can be twisted to precalculated position exactly, guarantee that cock body raceway and inner ring raceway keep level and smooth.
In addition, the cock body of described bearing is made by identical metal material with outer ring, inner ring and ball.Identical material guarantees that ball is on outer ring raceway during high speed scroll, and outer ring raceway different deformation can not occur because material is different with cock body raceway, assurance outer ring raceway smoothly, maintain ball stable operation in outer ring raceway.
Accompanying drawing explanation
Fig. 1 is the utility model bearing embodiment's separated three-dimensional view;
Fig. 2 is the utility model bearing embodiment's combination three-dimensional view;
Fig. 3 is the utility model bearing embodiment's front section view;
Fig. 4 is the utility model bearing embodiment's right side sectional view.
Reference character: 1, outer ring; 2, inner ring; 3, outer ring raceway; 4, inner ring raceway; 7, ball; 8, mounting hole; 9, cock body; 10, ball-loading hole; 11, retainingf key; 12, keyhole; 13, draw-in groove; 14, cock body raceway; 15, outside thread; 16, internal thread; 17, passage.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model bearing embodiment is described further.
As shown in Figures 1 to 4, a kind of bearing, mainly comprise outer ring 1, inner ring 2, outer ring raceway 3, inner ring raceway 4, ball 7, ball-loading hole 10 and cock body 9, inner ring 2 centers offer mounting hole 8, outer ring raceway 3 is positioned on the inner circumference of outer ring 1, inner ring raceway 4 is positioned on the excircle of inner ring 2, ball 7 is placed in inner ring raceway 4 and outer ring raceway 3, ball-loading hole 10 is positioned on outer ring 1, cock body 9 is placed in ball-loading hole 10, cock body 9 is cylindric, the one side of cock body 9 is the cock body raceway 14 with outer ring raceway 3 one, another side is draw-in groove 13, the degree of depth of draw-in groove 13 be cock body 9 height 1/4 to 1/3 between, the outer wall of cock body 9 is provided with outside thread 15, the inwall of ball-loading hole 10 is provided with internal thread 16, outside thread 15 on cock body 9 is between draw-in groove 13 and cock body raceway 14, outside thread 15 matches with internal thread 16, internal thread 16 is arranged on ball-loading hole 10 position corresponding with outside thread 15 on cock body 9.
When bearing is installed, inner ring 2 and outer ring 1 are remained on after relative position, from ball-loading hole 10, pack ball 7 into, after all balls 7 all install, screw on cock body 9, then use instrument utilizes draw-in groove 13 that cock body 9 is twisted to precalculated position.In the time of need to safeguarding bearing, first with instrument, utilize draw-in groove 13 that cock body 9 is back-outed, then take out ball 7 and clean or change.
In order to keep the level and smooth of cock body raceway 14 and outer ring raceway 3, prevent that ball 7 operations are not steady, cock body 9 accurately to be twisted to precalculated position, and prevent from, in bearing operation process, relative displacement occurs, described bearing also comprises for the retainingf key 11 of fixed plug body position and the keyhole 12 that matches with retainingf key 11.Keyhole 12 is opened on the outer ring 1 at ball-loading hole 10 places, and connects draw-in groove 13, matches form straight channels 17 with draw-in groove 13, and retainingf key 11 is arranged in passage 17, matches with passage 17.
When bearing is installed, twists cock body 9 and make cock body raceway 14 and outer ring raceway 3 form level and smooth raceway, keyhole 12 and draw-in groove 13 form the passage 17 of a smooth straight simultaneously, and retainingf key 11 is keyed in to passage 17; While safeguarding bearing, first retainingf key 11 is taken out to the cock body 9 of then back-outing.
Because retainingf key 11 and keyhole 12 adopts the combination of key entry formulas, when running up, bearing probably gets loose, for fear of retainingf key 11, get loose, we adopt transition fit, for being transition fit between the retainingf key 11 of fixing cock body 9 and passage 17.Thus, when installing and safeguarding bearing, need to key in or take out retainingf key 11 by instrument.
In addition, for convenient, cock body 9 positions are done trickle adjustment and accurately located, we adopt worm structure, being screwed into or back-outing for more convenient cock body 9, the outside thread 15 of described cock body 9 and the outer wall thickness between draw-in groove 13 are concordant with the screw thread point place of outside thread 15, outer wall thickness between outside thread 15 and cock body raceway 14 is concordant with outside thread 15 thread bottom, ground matches with it, internal thread 16 and the inner wall thickness between keyhole 12 of described ball-loading hole 10 are concordant with the thread bottom of internal thread 16, inner wall thickness between internal thread 16 and outer ring raceway 3 is concordant with the screw thread of internal thread 16 point place.
In order to prevent, because material is different, different deformation occurs, described cock body 9 is made by identical metal material with outer ring 1, inner ring 2 and ball 7, guarantees the level and smooth of outer ring raceway 3, maintains ball 7 in the interior stable operation of outer ring raceway 3.
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection domain of the present utility model.
Claims (8)
1. a bearing, mainly comprise outer ring, inner ring, inner ring raceway, outer ring raceway, ball, ball-loading hole and cock body, mounting hole is offered in described inner ring center, described inner ring raceway is positioned on the excircle of inner ring, described outer ring raceway is positioned on the inner circumference of outer ring, ball is placed between inner ring raceway and outer ring raceway, ball-loading hole is opened on outer ring, cock body is placed in ball-loading hole, the one side of described cock body is cock body raceway, cock body raceway matches with outer ring raceway, it is characterized in that: described cock body is cylindric, the another side of the relative cock body raceway of cock body is provided with draw-in groove, cock body outer wall is provided with outside thread, described ball-loading hole inwall is provided with internal thread, described outside thread matches with internal thread.
2. bearing according to claim 1, is characterized in that: described bearing also comprises for the retainingf key of fixed plug body position and the keyhole that matches with retainingf key.
3. bearing according to claim 2, is characterized in that: described keyhole is opened on the outer ring at ball-loading hole place, and connects draw-in groove, the keyhole formation straight channels that matches with draw-in groove, and retainingf key is arranged in passage and matches with passage.
4. bearing according to claim 3, is characterized in that: coordinating between described retainingf key and key passage is transition fit.
5. bearing according to claim 1 and 2, is characterized in that: the outside thread of described cock body, between draw-in groove and cock body raceway, matches with it, and the internal thread of described ball-loading hole is between keyhole and outer ring raceway.
6. bearing according to claim 1 and 2, it is characterized in that: the outside thread of described cock body and the outer wall thickness between draw-in groove are concordant with externally threaded screw thread point place, outer wall thickness between outside thread and cock body raceway is concordant with externally threaded thread bottom, ground matches with it, internal thread and the inner wall thickness between keyhole of described ball-loading hole are concordant with the thread bottom of internal thread, and the inner wall thickness between internal thread and outer ring raceway is concordant with the screw thread of internal thread point place.
7. bearing according to claim 1, is characterized in that: the degree of depth of the draw-in groove on described cock body be cock body height 1/4 to 1/3 between.
8. according to the bearing described in claim 2 or 3, it is characterized in that: described cock body is made by identical metal material with outer ring, inner ring and ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440640.XU CN203979129U (en) | 2014-08-05 | 2014-08-05 | Bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420440640.XU CN203979129U (en) | 2014-08-05 | 2014-08-05 | Bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203979129U true CN203979129U (en) | 2014-12-03 |
Family
ID=51976579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420440640.XU Expired - Fee Related CN203979129U (en) | 2014-08-05 | 2014-08-05 | Bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203979129U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240404A (en) * | 2015-11-06 | 2016-01-13 | 如皋市非标轴承有限公司 | Combination bearing and machining and assembling method thereof |
| CN109404420A (en) * | 2018-11-28 | 2019-03-01 | 常熟长城轴承有限公司 | Bearing ball-loading hole structure and bearing |
| CN111347178A (en) * | 2020-05-13 | 2020-06-30 | 常州奥旋重型轴承有限公司 | Integral bearing with bottom plate for laser cutting equipment |
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
-
2014
- 2014-08-05 CN CN201420440640.XU patent/CN203979129U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240404A (en) * | 2015-11-06 | 2016-01-13 | 如皋市非标轴承有限公司 | Combination bearing and machining and assembling method thereof |
| CN109404420A (en) * | 2018-11-28 | 2019-03-01 | 常熟长城轴承有限公司 | Bearing ball-loading hole structure and bearing |
| CN111347178A (en) * | 2020-05-13 | 2020-06-30 | 常州奥旋重型轴承有限公司 | Integral bearing with bottom plate for laser cutting equipment |
| CN112283241A (en) * | 2020-11-03 | 2021-01-29 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separation type turntable bearing |
| CN112283241B (en) * | 2020-11-03 | 2024-03-01 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Raceway separated turntable bearing |
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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 |
Granted publication date: 20141203 Termination date: 20170805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |