CN220286224U - Electric roller bearing - Google Patents
Electric roller bearing Download PDFInfo
- Publication number
- CN220286224U CN220286224U CN202322076553.2U CN202322076553U CN220286224U CN 220286224 U CN220286224 U CN 220286224U CN 202322076553 U CN202322076553 U CN 202322076553U CN 220286224 U CN220286224 U CN 220286224U
- Authority
- CN
- China
- Prior art keywords
- bearing
- radial
- inner ring
- retainers
- ball
- 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.)
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Links
- 238000005461 lubrication Methods 0.000 claims abstract description 4
- 238000003491 array Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 239000010687 lubricating oil Substances 0.000 abstract description 13
- 239000003921 oil Substances 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Abstract
An electric roller bearing belongs to the field of bearings, and aims to solve the problem of short service life of the bearing caused by poor radial bearing capacity and insufficient lubrication of a deep groove ball bearing, and comprises a bearing outer ring; the bearing outer ring is internally provided with a bearing inner ring, bearing balls are equidistantly arranged between the bearing inner ring and the bearing outer ring in an annular array, ball retainers are symmetrically arranged on the left side and the right side of the bearing balls, radial retainers are symmetrically arranged on the left side and the right side of the bearing outer ring and the bearing inner ring, and the radial retainers are fixedly connected with the bearing inner ring through fixing bolts; according to the electric roller bearing, the radial retainer is rotationally connected with the bearing outer ring through the connecting swivel of the radial retainer, so that the relative positions of the bearing outer ring and the bearing inner ring are maintained through the radial retainer, dislocation of the bearing when bearing radial pressure is avoided, the service life and reliability of the bearing are prolonged, the radial retainer is used for filling lubricating oil into the ball retainer through the oil filling hole, and therefore the convenience of lubricating oil filling is improved.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to an electric roller bearing.
Background
The bearing is an important part for the rotation support of a mechanical body, in order to ensure the rotation efficiency of the electric roller, a deep groove ball bearing is usually arranged on the rotating shafts at the two ends of the electric roller to be used as a part for reducing the rotation resistance, when the existing electric roller bearing is used, radial shaking can be generated when the electric roller rotates, however, because a gap exists between the inner ring and the outer ring of the bearing and a structure for fixing the relative positions of the inner ring and the outer ring of the bearing is not provided, the bearing is easy to bear radial pressure overload, the service life of the bearing is reduced, and the bearing is extremely easy to be overheated at high temperature when the electric roller rotates, so that the bearing is damaged.
Disclosure of Invention
The utility model aims to provide an electric roller bearing, which solves the problems that when the electric roller is used, radial shaking is generated when the electric roller rotates, the bearing is easy to be overloaded due to no structure for fixing the relative positions of the inner ring and the outer ring of the bearing, the service life of the bearing is shortened, and the bearing is easy to be overheated at high temperature and damaged when the electric roller rotates.
The aim and the effect of the electric roller bearing are achieved by the following specific technical means:
a motorized pulley bearing, wherein the motorized pulley bearing comprises a bearing outer race; the bearing is characterized in that a bearing inner ring is arranged in the bearing outer ring, bearing balls are arranged between the bearing inner ring and the bearing outer ring at equal intervals in an annular array, ball retainers are symmetrically arranged on the left side and the right side of the bearing balls, radial retainers are symmetrically arranged on the left side and the right side of the bearing outer ring and the bearing inner ring, and the radial retainers are fixedly connected with the bearing inner ring through fixing bolts.
Furthermore, annular connecting rotating grooves are formed in the left side wall and the right side wall of the bearing outer ring, the section of the inner side of each connecting rotating groove is trapezoid, the outer side of each connecting rotating groove is rectangular, and an arc-shaped groove is formed in the middle of the inner side wall of the bearing outer ring.
Further, an inward concave arc-shaped groove is formed in the middle of the outer side wall of the bearing inner ring, six limiting clamping blocks are arranged on the left side wall and the right side wall of the bearing inner ring in an annular array, and fixed connection holes are formed in the left side wall and the right side wall of the bearing inner ring between the adjacent limiting clamping blocks.
Further, two ball retainers are symmetrically arranged, the inner parts of the ball retainers are hollow, hemispherical ball seats are formed in annular arrays in opposite side walls of the two ball retainers, three lubricating oil holes are formed in annular arrays in the side walls of the ball seats, protruding connecting clamping blocks are arranged on the upper side and the lower side of opposite side walls of the two ball retainers, and the connecting clamping blocks are respectively clamped on the outer side walls of the bearing outer ring and the bearing inner ring.
Further, two radial retainers are symmetrically arranged, connecting swivel rings are arranged on opposite side walls of the two radial retainers in an annular array, the outer side cross section of each connecting swivel ring is trapezoid, the connecting swivel rings are slidably connected in connecting swivel grooves of the outer ring of the bearing, connecting clamping grooves which are concave are formed in the opposite side walls of the two radial retainers, connecting clamping blocks of the connecting clamping grooves and the outer side walls of the ball retainers are connected, Z-shaped oil filling holes are formed between the connecting clamping grooves of the connecting radial retainers and the outer side walls of the radial retainers, and rubber plugs are inserted into the oil filling holes.
Further, the side wall of the radial retainer is provided with a circular array of through limiting clamping grooves, a fixing hole is formed between every two adjacent limiting clamping grooves, a fixing bolt is connected in the fixing hole, the limiting clamping grooves are clamped on a limiting clamping block of the bearing inner ring, and the fixing bolt is connected in a fixing connection hole of the bearing inner ring.
Compared with the existing structure, the utility model has the following beneficial effects:
1. according to the utility model, the ball retainers are arranged on two sides of the bearing ball and are hollow so as to contain lubricating oil in the ball retainers, the bearing ball is lubricated through the lubricating oil hole in the ball seat, the heat dissipation effect of the bearing is improved, the ball retainers are respectively clamped on the outer side walls of the outer ring and the inner ring of the bearing through the connecting clamping blocks, and the ball retainers are fixed through the radial retainers, so that the worn ball retainers are conveniently replaced and maintained, and the service life of the bearing is prolonged.
2. According to the utility model, the radial retainer is rotationally connected with the bearing outer ring through the connecting swivel of the radial retainer, so that the relative positions of the bearing outer ring and the bearing inner ring are maintained through the radial retainer, and dislocation of the bearing outer ring and the bearing inner ring when bearing radial pressure is avoided, so that the service life and reliability of the bearing are prolonged, the radial retainer performs the operation of filling lubricating oil into the ball retainer clamped in the connecting clamping groove through the oil filling hole, and the convenience of filling lubricating oil is improved.
3. According to the utility model, the connecting rotating grooves are formed in the left side wall and the right side wall of the bearing outer ring so that the bearing outer ring and the radial retainer are in rotary connection, the limiting clamping grooves of the radial retainer and the limiting clamping blocks of the bearing inner ring are spliced, and the bearing inner ring and the radial retainer are fixed through the fixing bolts so that the radial shaking of the bearing is reduced while the rotation of the bearing is ensured, and the radial bearing capacity of the bearing is improved, so that the rotation stability of the electric roller is improved.
Drawings
FIG. 1 is a schematic view of an axial structure of the present utility model;
FIG. 2 is a schematic diagram of the overall split structure of the present utility model;
FIG. 3 is a schematic view of the semi-sectional structure of the present utility model;
fig. 4 is a schematic diagram of a half-section split structure of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a bearing outer ring; 101. the connecting rotating groove; 2. a bearing inner ring; 201. a limit clamping block; 202. fixing the connecting hole; 3. a bearing ball; 4. a ball holder; 401. a ball seat; 402. a lubrication oil hole; 403. connecting a clamping block; 5. a radial retainer; 501. connecting a swivel; 502. a connecting clamping groove; 503. a limit clamping groove; 504. an oil filling hole; 505. a fixing hole; 6. a fixing bolt; 7. a rubber stopper.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1 to 4:
the utility model provides an electric roller bearing, comprising: a bearing outer ring 1; the inside of bearing outer lane 1 is provided with bearing inner circle 2, be annular array equidistance between bearing inner circle 2 and the bearing outer lane 1 and be provided with bearing ball 3, the left and right sides symmetry of bearing ball 3 is provided with ball holder 4, the left and right sides symmetry of bearing outer lane 1 and bearing inner circle 2 is provided with radial retainer 5, radial retainer 5 is through fixing bolt 6 and bearing inner circle 2 fixed connection, annular connection change-over 101 has been seted up in the left and right sides wall of bearing outer lane 1, the inboard section of connection change-over 101 is trapezoidal, the outside of connection change-over 101 is rectangular form, the arc recess has been seted up in the middle of the inside wall of bearing outer lane 1, the arc recess of indent has been seted up in the middle of the outside wall of bearing inner lane 2, annular array is provided with six spacing fixture blocks 201 on the left and right side wall of bearing inner lane 2, set up fixed connection hole 202 in the left and right side wall of bearing inner lane 2 between the adjacent spacing fixture blocks 201, through set up connection change-over 101 in the left and right side wall of bearing outer lane 1, so that bearing 1 and radial retainer 5 rotate and connect, thereby the bearing inner lane 1 and radial retainer 5 rotate, the radial bearing is rotated, the bearing is improved, and bearing stability is guaranteed, and bearing is rotated, thereby, the bearing is improved.
Wherein, the ball holder 4 symmetry is provided with two, the inside of ball holder 4 is hollow form, be annular array in the lateral wall that two ball holders 4 are relative and seted up hemispherical ball seat 401, be annular array in the lateral wall of ball seat 401 and seted up three lubrication hole 402, the upper and lower both sides of the lateral wall that two ball holders 4 are opposite all are provided with convex connection fixture block 403, connection fixture block 403 card respectively on the lateral wall of bearing outer lane 1 and bearing inner lane 2, specific effect, through setting up ball holder 4 in the both sides of bearing ball 3, and set up ball holder 4 to the cavity form, so that hold lubricating oil in ball holder 4 inside, when lubricating oil hole 402 through ball seat 401 is to bearing ball 3, the radiating effect of bearing is improved, and ball holder 4 is blocked respectively on the lateral wall of bearing outer lane 1 and bearing inner lane 2 through connection fixture block 403, and be fixed through radial holder 5 to ball holder 4, the convenience is changed the maintenance to the ball holder 4 of wearing and is in this service life that improves the bearing.
The radial retainers 5 are symmetrically provided with two radial retainers 5, opposite side walls of the two radial retainers 5 are provided with connecting swivel rings 501 in an annular array, the outer side sections of the connecting swivel rings 501 are trapezoid, the connecting swivel rings 501 are slidably connected in the connecting swivel grooves 101 of the bearing outer ring 1, concave connecting clamping grooves 502 are formed in the opposite side walls of the two radial retainers 5, the connecting clamping grooves 502 are connected with connecting clamping blocks 403 on the outer side walls of the ball retainers 4, Z-shaped oil filling holes 504 are formed between the connecting clamping grooves 502 of the connecting radial retainers 5 and the outer side walls of the radial retainers 5, rubber plugs 7 are inserted into the oil filling holes 504, and the radial retainers 5 are rotationally connected with the bearing outer ring 1 through the connecting swivel rings 501 of the radial retainers 5, so that dislocation of the bearing outer ring 1 and the bearing inner ring 2 is avoided when bearing radial pressure is born, the service life and reliability of the bearing are improved, and the radial retainers 5 fill lubricating oil into the ball retainers 4 clamped in the connecting clamping grooves 502 through the oil filling holes 504, so that the lubricating oil filling operation is convenient.
Wherein, be annular array in radial holder 5's the lateral wall and seted up spacing draw-in groove 503 that runs through, be provided with fixed orifices 505 between the adjacent spacing draw-in groove 503, be connected with fixing bolt 6 in the fixed orifices 505, spacing draw-in groove 503 joint is on the spacing fixture block 201 of bearing inner race 2, fixing bolt 6 connects in the fixed connection hole 202 of bearing inner race 2, concrete effect, peg graft mutually through the spacing draw-in groove 503 of radial holder 5 and the spacing fixture block 201 of bearing inner race 2, and fix bearing inner race 2 and radial holder 5 through fixing bolt 6, thereby improve the connection fastness, prevent that dislocation from appearing in bearing outer race 1 and bearing inner race 2 and cause unnecessary bearing wearing and tearing.
Specific use and action of the embodiment:
when the motorized roller bearing is used, the connecting rotating grooves 101 are formed in the left and right side walls of the bearing outer ring 1 so as to enable the bearing outer ring 1 and the radial retainer 5 to be connected in a rotating way, then the ball retainers 4 are arranged on two sides of the bearing ball 3, the ball retainers 4 are arranged in a hollow shape so as to contain lubricating oil in the ball retainers 4, the ball retainers 4 are respectively clamped on the outer side walls of the bearing outer ring 1 and the bearing inner ring 2 through the connecting clamping blocks 403, the ball retainers 4 are fixed through the radial retainer 5, the radial retainer 5 is used for filling the lubricating oil into the ball retainers 4 clamped in the connecting clamping grooves 502 through the oil filling holes 504, and the limiting clamping grooves 503 of the radial retainer 5 are spliced with the limiting clamping blocks 201 of the bearing inner ring 2, and the bearing inner ring 2 and the radial retainer 5 are fixed through the fixing bolts 6, so that the connection firmness is improved.
Examples
The inner and outer side walls of the ball cage 4 may be provided in a wavy or continuous pointed shape, thereby reducing friction between the ball cage 4 and the bearing outer race 1 and the bearing inner race 2, thereby reducing heat generation of the bearing and increasing the service life of the bearing.
Examples
The radial retainer 5 may be reduced to one, and the radial retainer 5 may be installed at one side of the bearing outer race 1 and the bearing inner race 2 near the motorized pulley so as to improve the heat dissipation efficiency of the bearing.
Claims (6)
1. An motorized pulley bearing, characterized in that: comprises a bearing outer ring (1); the novel bearing is characterized in that the bearing inner ring (2) is arranged in the bearing outer ring (1), the bearing balls (3) are arranged between the bearing inner ring (2) and the bearing outer ring (1) at equal intervals in an annular array, ball retainers (4) are symmetrically arranged on the left side and the right side of the bearing balls (3), radial retainers (5) are symmetrically arranged on the left side and the right side of the bearing outer ring (1) and the right side of the bearing inner ring (2), and the radial retainers (5) are fixedly connected with the bearing inner ring (2) through fixing bolts (6).
2. A motorized pulley bearing as claimed in claim 1, wherein: annular connecting rotating grooves (101) are formed in the left side wall and the right side wall of the bearing outer ring (1), the section of the inner side of each connecting rotating groove (101) is trapezoid, the outer side of each connecting rotating groove (101) is rectangular, and an arc-shaped groove is formed in the middle of the inner side wall of the bearing outer ring (1).
3. A motorized pulley bearing as claimed in claim 1, wherein: an inward concave arc-shaped groove is formed in the middle of the outer side wall of the bearing inner ring (2), six limit clamping blocks (201) are arranged on the left side wall and the right side wall of the bearing inner ring (2) in an annular array, and fixed connection holes (202) are formed in the left side wall and the right side wall of the bearing inner ring (2) between the adjacent limit clamping blocks (201).
4. A motorized pulley bearing as claimed in claim 1, wherein: the ball holder (4) symmetry is provided with two, and the inside of ball holder (4) is the cavity form, is annular array in the lateral wall that two ball holders (4) are relative and has seted up hemispherical ball seat (401), is annular array in the lateral wall of ball seat (401) and has seted up three lubrication hole (402), and both sides all are provided with convex connection fixture block (403) about the lateral wall that two ball holders (4) are opposite, and connection fixture block (403) are blocked respectively on the lateral wall of bearing inner race (2) and bearing outer race (1).
5. A motorized pulley bearing as claimed in claim 1, wherein: the radial retainer (5) is symmetrically provided with two, annular arrays are arranged on opposite side walls of the two radial retainers (5), the outer side section of the connecting swivel (501) is trapezoid, the connecting swivel (501) is slidably connected in a connecting swivel groove (101) of the bearing outer ring (1), concave connecting clamping grooves (502) are formed in opposite side walls of the two radial retainers (5), the connecting clamping grooves (502) are connected with connecting clamping blocks (403) on the outer side walls of the ball retainers (4), Z-shaped oil injection holes (504) are formed between the connecting clamping grooves (502) of the connecting radial retainers (5) and the outer side walls of the radial retainers (5), and rubber plugs (7) are inserted in the oil injection holes (504).
6. A motorized pulley bearing as claimed in claim 1, wherein: the radial retainer (5) is characterized in that a through limiting clamping groove (503) is formed in the side wall of the radial retainer in an annular array, a fixing hole (505) is formed between every two adjacent limiting clamping grooves (503), a fixing bolt (6) is connected in the fixing hole (505), the limiting clamping groove (503) is clamped on a limiting clamping block (201) of the bearing inner ring (2), and the fixing bolt (6) is connected in a fixing connecting hole (202) of the bearing inner ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322076553.2U CN220286224U (en) | 2023-08-03 | 2023-08-03 | Electric roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322076553.2U CN220286224U (en) | 2023-08-03 | 2023-08-03 | Electric roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286224U true CN220286224U (en) | 2024-01-02 |
Family
ID=89328795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322076553.2U Active CN220286224U (en) | 2023-08-03 | 2023-08-03 | Electric roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286224U (en) |
-
2023
- 2023-08-03 CN CN202322076553.2U patent/CN220286224U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |