CN207514078U - A kind of positioning bearing - Google Patents
A kind of positioning bearing Download PDFInfo
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- CN207514078U CN207514078U CN201721713452.XU CN201721713452U CN207514078U CN 207514078 U CN207514078 U CN 207514078U CN 201721713452 U CN201721713452 U CN 201721713452U CN 207514078 U CN207514078 U CN 207514078U
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- inner ring
- ring
- tensioning
- outer ring
- lug
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Abstract
A kind of positioning bearing, belongs to technical field of bearings, including the first inner ring, the second inner ring, ball, retainer, the first outer ring and the second outer ring；The first inner ring left and right ends are both provided with flare openings, and the first inner ring inner wall and tensioning block outer wall fit；The tensioning block includes the upper tensioning half block being mutually inserted and lower tensioning half block；The upper tensioning half block is provided at both ends with flange；The lower tensioning half block both ends offer the locating slot being adapted with flange；The flange is inserted in locating slot；Bolt is equipped between two pieces of tensioning blocks；It is fixed after screw bolt passes tensioning block with nut.Two pieces of first inner rings of tensioning block sandwiched so as to which this bearing to be fixedly installed in the shaft of different-diameter, play the role of positioning.
Description
Technical field
The utility model belongs to technical field of bearings, and in particular to is a kind of positioning bearing.
Background technology
Ball bearing is one kind of rolling bearing, and spherical alloy steel ball is mounted on to the centre of interior steel ring and outer rim, with
The mode of rolling reduces the frictional force in power transmission process, improves the transmission efficiency of machine power.Ball bearing cannot be held
It is relatively conventional in light indusqtry machinery field by larger heavy load.
When bearing inner race is sheathed on rotation axis, it is difficult to ensure that the internal diameter of inner ring and the outer diameter of rotation axis are adapted.Such as
The inner wall of fruit inner ring fails to fit closely rotation axis, then the opposite slip of inner ring and rotation axis is be easy to cause, so as to ensure
The normal work of bearing.
Therefore, it is necessary to a kind of bearing is provided, to overcome above-mentioned deficiency.
Utility model content
The purpose of the utility model is to overcome it is mentioned above the defects of and deficiency, and provide a kind of positioning bearing.
A kind of positioning bearing, including the first inner ring, the second inner ring, ball, retainer, the first outer ring and the second outer ring；Institute
State the first inner ring, the second inner ring, the concentric setting in the first outer ring and the second outer ring；Second inner ring is sheathed on outside the first inner ring
Portion, and the first inner ring, the second inner ring gap setting form interior shoe cream room；First outer ring is sheathed on outside the second inner ring, and
Ball and retainer are provided between first outer ring and the second inner ring；The ball is embedded at retainer；The second outer snare
Outside the first outer ring, and the first outer ring and the second outer ring gap setting form outer shoe cream room；The outer wall of second inner ring
Raceway is both provided with the inner wall of the first outer ring；The first inner ring both sides are mounted on tensioning block；The tensioning block is in hollow
It is round table-like；The first inner ring left and right ends are both provided with flare openings, and the first inner ring inner wall and tensioning block outer wall phase
Fitting；The tensioning block includes the upper tensioning half block being mutually inserted and lower tensioning half block；The upper tensioning half block is provided at both ends with
Flange；The lower tensioning half block both ends offer the locating slot being adapted with flange；The flange is inserted in locating slot；Two pieces
Bolt is equipped between tight block；It is fixed after screw bolt passes tensioning block with nut.
The first inner ring both sides are both provided with the cricoid first lug of diameter convex, and first lug cross section is L-shape,
The second inner ring both sides are arranged in first lug；Corral sets out interior shoe cream room in first inner ring, first lug and second；
Second outer ring both sides are both provided with cricoid second lug of radial direction convex, and the second lug cross section is L-shape, and described first
Outer ring both sides are arranged in the second lug；Second outer ring, the second lug and the first outer corral set out outer shoe cream room；Described first
Inner ring both sides are mounted on tensioning block；The tensioning block is in hollow round table-like；The first inner ring left and right ends are both provided with
Flare openings, and the first inner ring inner wall and tensioning block outer wall fit；The tensioning block includes the upper tensioning being mutually inserted half
Block and lower tensioning half block；The upper tensioning half block is provided at both ends with flange；The lower tensioning half block both ends offer and flange phase
The locating slot of adaptation；The flange is inserted in locating slot；Bolt is equipped between two pieces of tensioning blocks；Screw bolt passes tensioning block
It is fixed afterwards with nut.
First inner ring offers the first oil filler point；Second outer ring offers the second oil filler point.
The retainer includes the retaining ring being wholely set and holding rod；The retaining ring is in hollow ring-type；The guarantor
The equidistant axial arranging of bar is held in retaining ring side, the gap of adjacent holding rod is less than the diameter of ball；Before and after the holding rod
Both sides setting is fluted；The radius of circular arc where the groove is equal or slightly larger than ball bearing radius.
The holding rod inboard width is less than outside width；The cross section of the holding rod is in inverted isosceles trapezoid.
A kind of positioning bearing is further included in circular spacer ferrule；The inner wall of the holding rod free end is provided with positioning
Slot；The spacer ferrule is embedded at locating slot；The spacer ferrule internal diameter is not less than holding rod internal diameter.
The spacer ferrule is enclosed by the iron plate winding two of strip.
Two pieces of first inner rings of tensioning block sandwiched so as to which this bearing to be fixedly installed in the shaft of different-diameter, play positioning
Effect.
Lubricating oil is stored in the interior shoe cream room and outer shoe cream room of this bearing, plays the role of flexible carrying.When this bearing
By radial direction active force when, hydraulic energy flexible support so as to mitigate the accidental loads of radial direction, reduces the abrasion of bearing, extend
The service life of bearing.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of tensioning block；
Fig. 3 is to maintain the structure diagram of frame；
In figure：First inner ring 1, the first oil filler point 1b, interior shoe cream room 2, the second inner ring 3, ball 4, is kept first lug 1a
Frame 5, retaining ring 5a, holding rod 5b, locating slot 5c, spacer ferrule 5d, groove 5e, raceway 6, the first outer ring 7, outer shoe cream room 8, second
Outer ring 9, the second lug 9a, the second oil filler point 9b；Tensioning block 10, flange 10b, lower tensioning half block 10c, is determined upper tensioning half block 10a
Position slot 10d, bolt 11.
Specific embodiment
Below in conjunction with the accompanying drawings, this patent is described in further detail.
A kind of positioning bearing, including the first inner ring 1, the second inner ring 3, ball 4, retainer 5, the first outer ring 7 and second outside
Circle 9；First inner ring 1, the 9 concentric setting of the second inner ring 3, the first outer ring 7 and the second outer ring；Second inner ring 3 is arranged
Outside the first inner ring 1, and the first inner ring 1,3 gap setting of the second inner ring form interior shoe cream room 2；First outer ring 7 is arranged
Outside the second inner ring 3, and ball 4 and retainer 5 are provided between the first outer ring 7 and the second inner ring 3；The ball 4 is embedded
In retainer 5；Second outer ring 9 is sheathed on outside the first outer ring 7, and the first outer ring 7 and 9 gap setting of the second outer ring are formed
Outer shoe cream room 8；The outer wall of second inner ring 3 and the inner wall of the first outer ring 7 are both provided with raceway 6；First inner ring, 1 both sides
It is mounted on tensioning block 10；The tensioning block 10 is in hollow round table-like；First inner ring, 1 left and right ends are both provided with loudspeaker
Shape is open, and 1 inner wall of the first inner ring and 10 outer wall of tensioning block fit；The tensioning block 10 includes the upper tensioning being mutually inserted half
Block 10a and lower tensioning half block 10c；The upper tensioning half block 10a is provided at both ends with flange 10b；The lower tensioning half block 10c both ends
Offer the locating slot 10d being adapted with flange 10b；The flange 10b is inserted in locating slot 10d；Between two pieces of tensioning blocks 10
It is equipped with bolt 11；Bolt 11 is fixed after sequentially passing through tensioning block 10 with nut.
Two pieces of 8 first inner rings of sandwiched 1 of tensioning block, so as to which this bearing to be fixedly installed in the shaft of different-diameter.Pass through tune
Whole flange 8b is inserted in the depth of locating slot 8d, to adjust the internal diameter of tensioning block 8, to adapt to the shaft of different-diameter.
Lubricating oil is stored in interior shoe cream room 2 and outer shoe cream room 8, plays the role of flexible carrying.When this bearing is by diameter
To active force when, hydraulic energy flexible support so as to mitigate the accidental loads of radial direction, reduces the abrasion of bearing, extends bearing
Service life.
First inner ring, 1 both sides are both provided with the cricoid first lug 1a of diameter convex, first lug 1a cross sections
L-shape, 3 both sides of the second inner ring are arranged in first lug 1a；First inner ring 1, first lug 1a and the second inner ring 3 enclose
Set out interior shoe cream room 2；Second outer ring, 9 both sides are both provided with the cricoid second lug 9a, the second lug 9a of radial direction convex
Cross section is L-shape, and 7 both sides of the first outer ring are arranged in the second lug 9a；Second outer ring 9, the second lug 9a and first
Outer ring 7, which is enclosed, sets out outer shoe cream room 8.
First lug 1a and the second lug 9a each serves as the first inner ring 1 of connection and the second inner ring 3, the first outer ring 7 and the
The effect of two outer rings 9.Second inner ring 3 can do the local displacement of radial direction relative to the first inner ring 1, play the work of buffering and fine tuning
With.Similarly, the first outer ring 7 can do the local displacement of radial direction relative to the second outer ring 9, play the role of buffering and fine tuning.
First inner ring 1 offers the first oil filler point 1b；Second outer ring 9 offers the second oil filler point 9b.Hydraulic pressure
Oil enters the first oil filler point 1b by the first oil filler point 1b, and outer shoe cream room 8 is entered by the second oil filler point 9b.
The retainer 5 includes the retaining ring 5a, the holding rod 5b that are wholely set and in circular spacer ferrule 5d.
The retaining ring 5a is in hollow ring-type；The equidistant axial arrangings of holding rod 5b are in retaining ring 5a sides, phase
The gap of adjacent holding rod 5b is less than the diameter of ball 4；The holding rod 5b front and rear sides set fluted 5e；The groove 5e institutes
The radius of circular arc be equal or slightly larger than 4 radius of ball.
The holding rod 5b inboard widths are less than outside width；The cross section of the holding rod 5b is in inverted isosceles ladder
Shape provides the holding power of larger radial direction for retainer 5.
The inner wall of the holding rod 5b free ends is provided with locating slot 5c；The spacer ferrule 5d is embedded at locating slot 5c；Institute
Spacer ferrule 5d internal diameters are stated not less than holding rod 5b internal diameters.The spacer ferrule 5d is enclosed by the iron plate winding two of strip.Positioning
The setting of 5d is bound round, on the one hand prevents ball 4 from unexpectedly jumping out, on the other hand, plays the role of opening holding rod 5b, is holding rod
The free end of 5b provides holding power, meanwhile, it ensure that the free end of all holding rod 5b is substantially on same circumference.
The structure of retaining ring 5a is respectively provided with relative to holding rod 5b both ends, this retainer can save material and cost, reduce
The weight of bearing, while be conducive to the assembling of ball 4 and retainer 5.
The utility model is illustrated according to embodiment, and under the premise of present principles are not departed from, the present apparatus can also be made
Go out several modifications and improvements.It should be pointed out that all technical solutions obtained using modes such as equivalent substitution or equivalent transformations, are fallen
It is within the protection scope of the present utility model.
Claims (7)
1. a kind of positioning bearing, which is characterized in that including the first inner ring（1）, the second inner ring（3）, ball（4）, retainer（5）、
First outer ring（7）With the second outer ring（9）；First inner ring（1）, the second inner ring（3）, the first outer ring（7）With the second outer ring（9）
Concentric setting；Second inner ring（3）It is sheathed on the first inner ring（1）Outside, and the first inner ring（1）, the second inner ring（3）Gap
Shoe cream room in setting formation（2）；First outer ring（7）It is sheathed on the second inner ring（3）Outside, and the first outer ring（7）With second
Inner ring（3）Between be provided with ball（4）And retainer（5）；The ball（4）It is embedded at retainer（5）；Second outer ring
（9）It is sheathed on the first outer ring（7）Outside, and the first outer ring（7）With the second outer ring（9）Gap setting forms outer shoe cream room（8）；Institute
State the second inner ring（3）Outer wall and the first outer ring（7）Inner wall be both provided with raceway（6）；First inner ring（1）Pacify both sides
Equipped with tensioning block（10）；The tensioning block（10）In hollow round table-like；First inner ring（1）Left and right ends are both provided with loudspeaker
Shape is open, and the first inner ring（1）Inner wall and tensioning block（10）Outer wall fits；The tensioning block（10）Including what is be mutually inserted
Upper tensioning half block（10a）With lower tensioning half block（10c）；The upper tensioning half block（10a）It is provided at both ends with flange（10b）；It is described
Lower tensioning half block（10c）Both ends offer and flange（10b）Adaptable locating slot（10d）；The flange（10b）It is fixed to be inserted in
Position slot（10d）；Two pieces of tensioning blocks（10）Between be equipped with bolt（11）；Bolt（11）Sequentially pass through tensioning block（10）After use nut
It is fixed.
A kind of 2. positioning bearing as described in claim 1, which is characterized in that first inner ring（1）Both sides are both provided with diameter
The cricoid first lug of convex（1a）, first lug（1a）Cross section is L-shape, second inner ring（3）Both sides are arranged in
First lug（1a）；First inner ring（1）, first lug（1a）With the second inner ring（3）It encloses and sets out interior shoe cream room（2）；It is described
Second outer ring（9）Both sides are both provided with cricoid second lug of radial direction convex（9a）, the second lug（9a）Cross section is L-shape,
First outer ring（7）Both sides are arranged in the second lug（9a）；Second outer ring（9）, the second lug（9a）With the first outer ring
（7）It encloses and sets out outer shoe cream room（8）.
A kind of 3. positioning bearing as described in claim 1, which is characterized in that first inner ring（1）Offer the first oiling
Hole（1b）；Second outer ring（9）Offer the second oil filler point（9b）.
A kind of 4. positioning bearing as described in claim 1, which is characterized in that the retainer（5）Including the guarantor being wholely set
Held in ring（5a）And holding rod（5b）；The retaining ring（5a）In hollow ring-type；The holding rod（5b）Equidistant axial arranging
In retaining ring（5a）Side, adjacent holding rod（5b）Gap be less than ball（4）Diameter；The holding rod（5b）Front and rear sides
It sets fluted（5e）；The groove（5e）The radius of the circular arc at place is equal or slightly larger than ball（4）Radius.
A kind of 5. positioning bearing as claimed in claim 4, which is characterized in that the holding rod（5b）Inboard width is less than outer
Side width；The holding rod（5b）Cross section be in inverted isosceles trapezoid.
6. a kind of positioning bearing as claimed in claim 4, which is characterized in that further include in circular spacer ferrule（5d）；Institute
State holding rod（5b）The inner wall of free end is provided with locating slot（5c）；The spacer ferrule（5d）It is embedded at locating slot（5c）；It is described
Spacer ferrule（5d）Internal diameter is not less than holding rod（5b）Internal diameter.
A kind of 7. positioning bearing as claimed in claim 6, which is characterized in that the spacer ferrule（5d）It is rolled up by the iron plate of strip
It is enclosed around two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713452.XU CN207514078U (en) | 2017-12-11 | 2017-12-11 | A kind of positioning bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721713452.XU CN207514078U (en) | 2017-12-11 | 2017-12-11 | A kind of positioning bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207514078U true CN207514078U (en) | 2018-06-19 |
Family
ID=62543803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721713452.XU Active CN207514078U (en) | 2017-12-11 | 2017-12-11 | A kind of positioning bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207514078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268394A (en) * | 2018-11-12 | 2019-01-25 | 安徽华旦机械制造有限公司 | A kind of rotation intake type sealed-bearing |
| CN112170420A (en) * | 2020-09-10 | 2021-01-05 | 陈开筠 | Bearing inner diameter positioning device |
-
2017
- 2017-12-11 CN CN201721713452.XU patent/CN207514078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268394A (en) * | 2018-11-12 | 2019-01-25 | 安徽华旦机械制造有限公司 | A kind of rotation intake type sealed-bearing |
| CN112170420A (en) * | 2020-09-10 | 2021-01-05 | 陈开筠 | Bearing inner diameter positioning device |
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