CN208966860U - Roller bearing - Google Patents
Roller bearing Download PDFInfo
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- CN208966860U CN208966860U CN201821651141.XU CN201821651141U CN208966860U CN 208966860 U CN208966860 U CN 208966860U CN 201821651141 U CN201821651141 U CN 201821651141U CN 208966860 U CN208966860 U CN 208966860U
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- roller
- annular
- retainer
- cavity
- steel ball
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Abstract
The utility model relates to technical field of bearings, especially disclose a kind of roller bearing, including outer ring, inner ring, roller and retainer, the roller includes the first roller and the second roller, first roller and the second roller are interspersed on retainer, adjacent the first roller and the second roller is vertical setting, the retainer includes several link blocks, the correspondence two sides of link block are provided with the first cavity and the second cavity being adapted to respectively with the first roller and the second roller, link block is located at the correspondence two sides of the first roller or the second roller, first roller, link block and the second roller are arranged successively connection and around cyclization, the roller and retainer are between outer ring and inner ring, the annular housing being embedded for roller and retainer is provided between outer ring and inner ring, the upper and lower ends of outer ring have the annular rib positioned at retainer two sides , it is provided with along its circumferentially distributed annular tooth on the opposite face of annular rib and inner ring, annular tooth is provided with multiple rows of.
Description
Technical field
The utility model relates to technical field of bearings, especially a kind of roller bearing.
Background technique
Currently, with the rapid development of machinery industry, bearing as a kind of union piece for playing rotation and supporting role,
Demand increasingly increases.There are many kinds of bearings, and traditional bearing generally comprises inner ring, outer ring and rolling element, and rolling element is generally by rolling
Column or steel ball are constituted, wherein since cylinder roller bearing can bear higher loading force in the identical useful space, thus
Use scope is also more and more extensive.But roller bearing can only bear radial loading force, although and ball bearing can carry
Radial loading force can also carry axial load forces, but its bearing capacity is poor, especially apply biggish in load such as automobiles
When occasion, ball bearing is not available, and the reliability for the middle (center) bearing that works directly affects transmission accuracy and service life, therefore right
Very strict in the quality requirement of bearing, axial load forces can be carried but also carry radial loading force by being now badly in need of one kind, and be held
The strong bearing of loading capability.
Summary of the invention
One kind that in order to overcome the deficiencies of the prior art, the utility model provides, which provides one kind, can carry axial load
Power can carry the roller bearing of radial loading force again.
To achieve the goals above, the technical solution adopted in the utility model is: a kind of roller bearing, including outer ring, interior
Circle, roller and retainer, the roller include the first roller and the second roller, and the first roller and the second roller are interspersed and are protecting
It holds on frame, the first adjacent roller and the second roller are vertical setting, and the retainer includes several link blocks, link block
Corresponding two sides are provided with the first cavity and the second cavity, link block being adapted to respectively with the first roller and the second roller and are located at
The correspondence two sides of first roller or the second roller, the first cavity or the second cavity of adjacent two link block are oppositely arranged, and opposite
The first cavity between gap form the first roller holding chamber, the gap between the second opposite cavity forms the second roller folder
Chamber is held, the first roller, link block and the second roller are arranged successively connection and around cyclization, and the roller and retainer are located at outer ring
The annular housing being embedded for roller and retainer, the upper and lower ends tool of outer ring are provided between inner ring, between outer ring and inner ring
There is an annular rib positioned at retainer two sides, is provided on the opposite face of annular rib and inner ring along its circumferentially distributed annular
Tooth, the tooth top of annular tooth are contacted with the end face of inner ring, and annular tooth is provided with multiple, and each annular tooth is in being arranged concentrically.
In above-mentioned technical proposal, the first roller and the second roller are staggered, and the first roller is responsible for the radial load of carrying
Power, the second roller is responsible for the axial loading force of carrying, and the load-carrying ability of roller is better than the load-carrying ability of ball very much, so answering
It is wide with range, and only need one layer of rolling member that the load of both direction can be realized, structure is simpler, and it is at low cost, it is easy for installation, even
Block is connect for connecting each first roller and the second roller, the shaft section of outer ring is in U-shape, and annular rib is located at retainer
Two sides in half parcel-like, the setting of multi-layer annular tooth makes to constitute labyrinth sealing between outer ring and inner ring, each annular tooth
Diameter is different, increasing from inside to outside, can be blocked by the annular tooth of internal layer after dust passes through the annular tooth of outer layer, from level to level
Stop, avoids dust from entering annular housing, influence the use of bearing, sealing effect is good, prolongs the service life.
As the further setting of the utility model, first roller and the second roller are cylinder, and first rolls
The height of column and the second roller is consistent with diameter, the diameter of the first roller and the second roller be all larger than height, link block it is upper
Lower height and inside and outside thickness are respectively less than the diameter of the first roller and the second roller.
In above-mentioned technical proposal, the first cavity on two neighboring link block is oppositely arranged with the first cavity, the second cavity
It is oppositely arranged with the second cavity, the upper-lower height of link block is the height in bearing axial direction herein, and inside and outside thickness is bearing
Thickness on direction from inside to outside, the first cavity and the second cavity are arc concave shape, and the first roller or the second roller are clamped
Afterwards, corresponding to two sides to have part cylinder is exposed outside the first roller holding chamber or the second roller holding chamber, facilitates outer ring
It is abutted with inner ring, reduces contact area, reduce friction.
As the further setting of the utility model, it is provided on the inner wall of first cavity or the second cavity along its diameter
To the guide groove of extension, spring and steel ball are provided in guide groove, the opening diameter of guide groove is less than the diameter of steel ball, and steel ball exists
The opening of guide groove is connected under the action of spring, and some is exposed outside guide groove, the first roller and the second roller
On be provided with along its circumferentially distributed annular groove, after the first roller is placed in the first roller holding chamber, annular groove and steel ball
It constitutes and is axially engaged by clamping and circumferentially rotates cooperation, after the second roller is placed in the second roller holding chamber, annular groove and steel ball
It constitutes and is axially engaged by clamping and circumferentially rotates cooperation.
In above-mentioned technical proposal, the folder of the first roller holding chamber and the second roller holding chamber to the first roller and the second roller
The limit played radially is held, and the cooperation of roller and annular groove is the limit played in axial direction, rolls the first roller and second
The connection of column and link block is stronger, and the opening diameter of guide groove is slightly less than the diameter of steel ball herein, thus is avoided that steel ball drops out,
And the diameter of steel ball is slightly less than the diameter of guide groove so that it is convenient to steel ball slides, and when being assembled to the last one roller, by the
One roller or the second roller are along the first roller holding chamber or the axial push-in of the second roller holding chamber, when the first roller or second roll
When column slips over steel ball, steel ball can be extruded and retreat in guide groove, and such first roller or the second roller can smoothly be filled to first
In roller holding chamber or the second roller holding chamber, when being moved to the position that annular groove is aligned with steel ball, work of the steel ball in spring
It is pushed out under and is caught in annular groove, limit the first roller or the second roller in the axial direction, easy for installation, structure is simple.
As the further setting of the utility model, shoe cream room is provided on the link block, shoe cream room and guide groove connect
It is logical, it is additionally provided with the oil filler point being connected to shoe cream room on link block, protrusion is provided on the inner wall of annular groove, raised height is small
In the depth of annular groove, when the first roller or the second roller turn to enable the protrusion be in contact with steel ball position when drive
Steel ball is retracted in guide groove.
In above-mentioned technical proposal, when the first roller or the second roller rotate, steel ball is placed in the part in annular groove being capable of edge
Annular groove relative motion, due to being provided with protrusion in annular groove, protrusion can be uniformly arranged along the circumferential direction of annular groove it is multiple, when the
One roller or the second roller can push steel ball towards guide groove another extreme direction when turning to certain position moves, and is oriented to herein
Slot serves as the effect of Oil Guide, and the opening of guide groove is oil outlet, can when another extreme direction movement of the steel ball towards guide groove
It is mutually separated with opening, and then the lubricating oil in shoe cream room can be flowed along gap of the guide groove between steel ball and guide groove inner wall
It crosses and is flowed out in the first roller holding chamber or the second roller holding chamber from opening, the first roller and first are rolled to be formed
Lubrication between column holding chamber or the second roller and the second roller clamping cavity wall, reduces the frictional force of roller rotation, makes noise
Weaken with fever, extends the service life of bearing.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Attached drawing 1 is the utility model specific embodiment entirety sectional view；
Attached drawing 2 is the structural exploded view of the utility model specific embodiment roller and retainer；
Attached drawing 3 is the structural exploded view of the utility model specific embodiment link block；
Attached drawing 4 is the structural exploded view of the utility model specific embodiment retainer；
Attached drawing 5 is the A-A cross-sectional view of attached drawing 2；
Attached drawing 6 is schematic enlarged-scale view when the utility model specific embodiment protrusion is aligned with steel ball.
Specific embodiment
Specific embodiment of the utility model as shown in figures 1 to 6, a kind of roller bearing, including outer ring 1, inner ring 2, roller 3
With retainer 4, the roller 3 includes the first roller 31 and the second roller 32, and the first roller 31 and the second roller 32 are interspersed
On retainer 4, the first adjacent roller 31 and the second roller 32 are vertical setting, and the retainer 4 includes several connections
Block 41, the correspondence two sides of link block 41 be provided with the first cavity 411 being adapted to respectively with the first roller 31 and the second roller 32 and
Second cavity 412, link block 41 are located at the correspondence two sides of the first roller 31 or the second roller 32, adjacent two link block 41
The first cavity 411 or the second cavity 412 be oppositely arranged, and gap between the first opposite cavity 411 forms the first roller
Holding chamber 42, the gap between the second opposite cavity 412 form the second roller holding chamber 43, the first roller 31, link block 41
Connection is arranged successively with the second roller 32 and surrounds cyclization, and the roller 3 and retainer 4 are between outer ring 1 and inner ring 2, outside
The annular housing 5 being embedded for roller 3 and retainer 4 is provided between circle 1 and inner ring 2, the upper and lower ends of outer ring 1, which have to be located at, protects
The annular rib 11 of 4 two sides of frame is held, is provided on annular rib 11 and the opposite face of inner ring 2 along its circumferentially distributed annular tooth
111, the tooth top of annular tooth 111 is contacted with the end face of inner ring 2, and annular tooth 111 is provided with multiple, and each annular tooth 111 is in concentric
Setting.First roller 31 and the second roller 32 are staggered, and the first roller 31 is responsible for the radial loading force of carrying, the second roller 32
It is responsible for the axial loading force of carrying, and the load-carrying ability of roller 3 is better than the load-carrying ability of ball very much, so have a wide range of application,
And only needing one layer of rolling member that the load of both direction can be realized, structure is simpler, and at low cost, easy for installation, link block 41 is used
It is connected in by each first roller 31 and the second roller 32, the shaft section of outer ring 1 is in U-shape, and annular rib 11, which is located at, to be kept
The two sides of frame 4 are parcel-like in half, and the setting of multi-layer annular tooth 111 makes to constitute labyrinth sealing between outer ring 1 and inner ring 2, each
The diameter of annular tooth 111 is different, increasing from inside to outside, can be by the ring of internal layer after dust passes through annular tooth 111 of outer layer
Shape tooth 111 blocks, and stops from level to level, and dust is avoided to enter annular housing 5, influences the use of bearing, sealing effect is good, and extension makes
Use the service life.
Above-mentioned first roller 31 and the second roller 32 are cylinder, and the height of the first roller 31 and the second roller 32 and
Diameter is consistent, and the diameter of the first roller 31 and the second roller 32 is all larger than height, the upper-lower height of link block 41 and inside and outside thickness
Degree is respectively less than the diameter of the first roller 31 and the second roller 32.The first cavity 411 and first on two neighboring link block 41 is recessed
Chamber 411 is oppositely arranged, and the second cavity 412 is oppositely arranged with the second cavity 412, and the upper-lower height of link block 41 is bearing herein
Height in axial direction, inside and outside thickness are thickness of the bearing from inside to outside on direction, and the first cavity 411 and the second cavity 412 are
For arc concave shape, after the first roller 31 or the second roller 32 are clamped, corresponding to two sides to have part cylinder is exposed first
Outside roller holding chamber 42 or the second roller holding chamber 43, facilitates outer ring 1 and inner ring 2 to abut, reduce contact area, reduction rubs
It wipes.
Be provided on the inner wall of above-mentioned first cavity 411 or the second cavity 412 guide groove 4111 radially extended,
4121, spring 4112,4122 and steel ball 4113,4123 are provided in guide groove 4111,4121, and guide groove 4111,4121 is opened
Mouth 4111a, 4121a diameter is less than the diameter of steel ball 4113,4123, and steel ball 4113,4123 is under the action of spring 4112,4122
It is connected at opening 4111a, 4121a of guide groove 4111,4121, and some is exposed outside guide groove 4111,4121, the
It is provided on one roller 31 and the second roller 32 along its circumferentially distributed annular groove 311,321, the first roller 31 is placed in first
After in roller holding chamber 42, annular groove 311,321, which constitutes axially to be engaged by clamping and circumferentially rotate with steel ball 4113,4123, matches
It closes, after the second roller 32 is placed in the second roller holding chamber 43, annular groove 311,321 and steel ball 4113,4123 are constituted axially
It is engaged by clamping and circumferentially rotates cooperation.First roller holding chamber 42 and the second roller holding chamber 43 are to the first roller 31 and the second rolling
Limit radially is played in the clamping of column 32, and the cooperation of roller 3 and annular groove 311,321 is the limit played in axial direction, is made
The connection of first roller 31 and the second roller 32 and link block 41 is stronger, herein the opening 4111a of guide groove 4111,4121,
4121a diameter is slightly less than the diameter of steel ball 4113,4123, thus is avoided that steel ball 4113,4123 drops out, and steel ball 4113,4123
Diameter be slightly less than the diameter of guide groove 4111,4121 so that it is convenient to steel ball 4113,4123 slides, and when being assembled to last
When a roller 3, by the first roller 31 or the second roller 32 along the first roller holding chamber 42 or the axial direction of the second roller holding chamber 43
Push-in, when the first roller 31 or the second roller 32 slip over steel ball 4113,4123, steel ball 4113,4123, which can be extruded to retreat to, is led
Into slot 4111,4121, such first roller 31 or the second roller 32 can smoothly be filled to the first roller holding chamber 42 or the second
In roller holding chamber 43, when being moved to the position that annular groove 311,321 is aligned with steel ball 4113,4123, steel ball 4113,4123
It is pushed out under the action of spring 4112,4122 and is caught in annular groove 311,321, make the first roller 31 or the second roller 32 in axial direction
Upper limit, easy for installation, structure is simple.
Shoe cream room 44 is provided on above-mentioned link block 41, shoe cream room 44 is connected to guide groove 4111,4121, on link block 41
It is additionally provided with the oil filler point 45 being connected to shoe cream room 44, protrusion 3111,3211 is provided on the inner wall of annular groove 311,321, it is convex
The height for playing 3111,3211 is less than the depth of annular groove 311,321, when the first roller 31 or the second roller 32 turn to make it is described
Protrusion 3111,3211 be in contact with steel ball 4113,4123 position when can drive steel ball 4113,4123 retract guide groove 4111,
In 4121.When first roller 31 or the second roller 32 rotate, steel ball 4113,4123 is placed in the part energy in annular groove 311,321
It is enough along annular groove 311,321 relative motions, due to being provided with protrusion 3111,3211 in annular groove 311,321, protrusion 3111,
3211 can be uniformly arranged along the circumferential direction of annular groove 311,321 it is multiple, when the first roller 31 or the second roller 32 turn to a positioning
Can be pushed when setting steel ball 4113,4123 towards guide groove 4111,4121 another extreme direction move, herein guide groove 4111,
4121 serve as the effect of Oil Guide, and opening 4111a, 4121a of guide groove 4111,4121 is oil outlet, when steel ball 4113,4123
Towards guide groove 4111,4121 the movement of another extreme direction when, can be separated with opening 4111a, 4121a phase, and then shoe cream room 44
In lubricating oil can be along guide groove 4111,4121 from steel ball 4113,4123 and the seam between guide groove 4111,4121 inner walls
Clearance flow is crossed and is flowed out in the first roller holding chamber 42 or the second roller holding chamber 43 from opening 4111a, 4121a, thus shape
Lubrication between pairs of first roller 31 and the first roller holding chamber 42 or 43 inner wall of the second roller 32 and the second roller holding chamber,
The frictional force that roller 3 rotates is reduced, weakens noise and fever, extends the service life of bearing.
The utility model is not limited to above-mentioned specific embodiment, and persons skilled in the art are according to the utility model public affairs
The content opened can be implemented the utility model or all using the utility model using other a variety of specific embodiments
Design structure and thinking, do simple change or change, both fall within the protection scope of the utility model.
Claims (4)
1. a kind of roller bearing, including outer ring, inner ring, roller and retainer, it is characterised in that: the roller includes the first roller
With the second roller, the first roller and the second roller are interspersed on retainer, and the first adjacent roller and the second roller are in vertical
Straight setting, the retainer include several link blocks, the correspondence two sides of link block be provided with respectively with the first roller and second
The first cavity and the second cavity of roller adaptation, link block is located at the correspondence two sides of the first roller or the second roller, adjacent
The first cavity or the second cavity of two link blocks are oppositely arranged, and the gap between the first opposite cavity forms the first roller folder
Chamber is held, the gap between the second opposite cavity forms the second roller holding chamber, and the first roller, link block and the second roller are successively
Arrangement connects and around cyclization, and the roller and retainer are provided with confession between outer ring and inner ring between outer ring and inner ring
The annular housing that roller and retainer are embedded, the upper and lower ends of outer ring have the annular rib positioned at retainer two sides, annular gear
It is provided on the opposite face of side and inner ring along its circumferentially distributed annular tooth, the tooth top of annular tooth is contacted with the end face of inner ring, ring
Shape tooth is provided with multiple, and each annular tooth is in being arranged concentrically.
2. roller bearing according to claim 1, it is characterised in that: first roller and the second roller are cylinder
Shape, and the height of the first roller and the second roller is consistent with diameter, the diameter of the first roller and the second roller is all larger than height,
The upper-lower height of link block and inside and outside thickness are respectively less than the diameter of the first roller and the second roller.
3. roller bearing according to claim 1 or 2, it is characterised in that: the inner wall of first cavity or the second cavity
On be provided with the guide groove radially extended, be provided with spring and steel ball in guide groove, the opening diameter of guide groove is less than steel
The diameter of pearl, steel ball is connected to the opening of guide groove under the action of the spring, and some is exposed outside guide groove, and first
It is provided on roller and the second roller along its circumferentially distributed annular groove, after the first roller is placed in the first roller holding chamber,
Its annular groove and steel ball constitute and are axially engaged by clamping and circumferentially rotate cooperation, after the second roller is placed in the second roller holding chamber,
Its annular groove and steel ball, which are constituted, is axially engaged by clamping and circumferentially rotates cooperation.
4. roller bearing according to claim 3, it is characterised in that: be provided with shoe cream room, shoe cream room on the link block
It is connected to guide groove, the oil filler point being connected to shoe cream room is additionally provided on link block, protrusion is provided on the inner wall of annular groove, it is convex
The height risen is less than the depth of annular groove, so that the protrusion is in contact with steel ball position when the first roller or the second roller turn to
When steel ball can be driven to retract in guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651141.XU CN208966860U (en) | 2018-10-11 | 2018-10-11 | Roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821651141.XU CN208966860U (en) | 2018-10-11 | 2018-10-11 | Roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966860U true CN208966860U (en) | 2019-06-11 |
Family
ID=66759721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821651141.XU Active CN208966860U (en) | 2018-10-11 | 2018-10-11 | Roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966860U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909832A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | A mounting tool for electrified installation prevents bird cover |
| CN112909833A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | Tool capable of installing insulating bird-proof cover in electrified mode |
| CN112909831A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | Electrified mounting tool of portable anti-bird cover |
-
2018
- 2018-10-11 CN CN201821651141.XU patent/CN208966860U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112909832A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | A mounting tool for electrified installation prevents bird cover |
| CN112909833A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | Tool capable of installing insulating bird-proof cover in electrified mode |
| CN112909831A (en) * | 2021-01-25 | 2021-06-04 | 国网浙江海盐县供电有限公司 | Electrified mounting tool of portable anti-bird cover |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |