CN207673711U - Structure improved deep groove ball bearing - Google Patents
Structure improved deep groove ball bearing Download PDFInfo
- Publication number
- CN207673711U CN207673711U CN201721892016.3U CN201721892016U CN207673711U CN 207673711 U CN207673711 U CN 207673711U CN 201721892016 U CN201721892016 U CN 201721892016U CN 207673711 U CN207673711 U CN 207673711U
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- CN
- China
- Prior art keywords
- annular
- bearing
- retainer
- inner race
- protrusion
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Abstract
The utility model provides a kind of structure improved deep groove ball bearing, belongs to technical field of bearings.It solves the problems, such as that deep groove ball bearing stability is poor.This structure improved deep groove ball bearing includes bearing inner race, bearing outer ring and ball with retainer, retainer includes two annular retainer components, it is formed with claw on a wherein annular retainer component end face, another annular retainer component is formed with deck on end face, claw is arranged in deck, annular sealing strip is equipped between bearing inner race and bearing outer ring, the outer rim of sealing strip has convex block, the Inner edge of sealing strip have the first protrusion, second protrusion, third protrusion and the 4th protrusion, bearing inner race is equipped with pivoted housing in annular connector sleeve and annular, in annular connector sleeve and annular between pivoted housing, noise reduction hole is equipped on bearing inner race, sound insulation by filling cotton in noise reduction hole, annular connector sleeve and annular transfer put on and are equipped with noise transmission hole.This practicability has the advantages that simple in structure, stability is good.
Description
Technical field
The utility model belongs to technical field of bearings, is primarily related to a kind of structure improved deep groove ball bearing.
Background technology
The common retainer of deep groove ball bearing have steel plate punched ribbon retainer, engineering plastics cage and vehicle manufacture-yellow copper or
Bronze two retention tabs.Middle-size and small-size deep groove ball bearing generally uses steel plate punched ribbon retainer, and intensity is preferable, and weight is also light.
Engineering plastics cage have the advantages that light-weight, self-lubricating property is good, impact resistance, antivibration and noise reduction, but also have size steady
The weakness that qualitative poor, damp and hot expansion is big, intensity is low, heat resistance is poor.Both retainers are generally used for that rotating speed is relatively low, load is flat
Steady occasion.If bearing rotating speed is high, acceleration is big or bears heavy load, impact load, from the aspect of lubrication and intensity,
It needs to use copper cage.But generally there are many problems in terms of lubricating with intensity for existing copper cage：Retainer guides
Gap is small, and lubricant medium is difficult to enter, and retainer radial-play amount is big, when running at high speed lasso rib easily with retainer outer diameter or
Internal diameter generates friction, wears and generate heat, and has seriously affected the normal operation of deep groove ball bearing.
Invention content
The purpose of this utility model is the deficiency for existing above-mentioned technology, it is proposed that a kind of simple in structure, stability
Good deep groove ball bearing.
The purpose of this utility model can be realized by following technical proposal：A kind of structure improved deep groove ball bearing, packet
Include bearing inner race, bearing outer ring and the ball with retainer, between the bearing inner race and bearing outer ring be equipped with raceway and
Above-mentioned ball is located in the raceway, which is characterized in that made of the retainer ormolu and retainer includes two
A symmetrically arranged annular retainer component, wherein extending radially outwardly on an annular retainer component end face is formed with claw,
It extends radially outwardly and curves inwardly on another annular retainer component end face and be formed with deck, the claw is arranged in deck
Interior, the retainer pocket hole one being equipped on each retainer component on several retainer pocket holes and two retainer components is a pair of
It answers, is set between bearing inner race and bearing outer ring there are two annular sealing strip, the outer rim of sealing strip has several
The Inner edge of the convex block of radial protrusion, sealing strip have the first protrusion, the second protrusion, third protrusion and the 4th protrusion, bearing outer ring
Inside is equipped with outer dustproof groove, and the bottom of the outer dustproof groove in bearing outer ring inside is equipped with recess, the convex block position on sealing strip outer rim flanging
In in recess, being equipped with interior dustproof groove on the outside of bearing inner race, the first protrusion on sealing strip is tightly attached at interior dustproof groove step, and second
Protrusion and the 4th projecting elastic interference are tightly attached to the side of outer dustproof groove, and bearing inner race is equipped with annular connector sleeve and is set in annular
Pivoted housing in annular on the outside of connector sleeve, annular in pivoted housing outer wall pass through the inner wall of multiple fixed reinforcing ribs and bearing inner race connect
It connects, the outer wall of annular connector sleeve is connect with the inner wall of pivoted housing in annular by multiple bracing pieces；Annular connector sleeve and annular transfer
Between set, gap is carried in annular between pivoted housing and bearing inner race, multiple noise reduction holes are equipped on bearing inner race, in noise reduction hole
Sound insulation by filling cotton, annular connector sleeve and annular transfer put on and are equipped with perforative noise transmission hole.
Compared with prior art, the utility model have it is following a little：
1, retainer enhances bearing integral rigidity using ormolu as material, and service life is long, two rings of retainer
Noise when being correspondingly arranged between shape retainer component improves antiwhip and reduce work, and two ring
It is fixedly connected with by claw and deck between shape retainer component, it is convenient for installation and maintenance without being connected by fasteners such as rivets.
2, bearing inner race is equipped with annular connector sleeve, is set in pivoted housing in the annular on the outside of annular connector sleeve, pivoted housing in annular
Outer wall connected by the inner wall of multiple fixed reinforcing ribs and bearing inner race, the outer wall of annular connector sleeve with it is annular in pivoted housing it is interior
Wall is connected by multiple bracing pieces；In annular connector sleeve and annular between pivoted housing, equal band between pivoted housing and bearing inner race in annular
There is gap, multiple noise reduction holes are equipped on bearing inner race, sound insulation by filling cotton in noise reduction hole, annular connector sleeve and annular transfer are put on
It is equipped with perforative noise transmission hole, the inner wall of annular connector sleeve is equipped with screw thread, annular connector sleeve and extraneous rotation axle thread
Connection, the noise that bearing high-speed rotation generates in the process are transmitted to from the noise transmission hole on annular connector sleeve and annular transfer set
Noise reduction hole on bearing inner race is absorbed by the sound-proof material in noise reduction hole, and to achieve the purpose that noise reduction, excellent noise reduction effect, annular is even
In female connector and annular between pivoted housing, gap is carried in annular between pivoted housing and bearing inner race, gap can also play heat dissipation
Effect.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the structural schematic diagram of annular retainer component in the utility model.
Fig. 3 is the utility model partial enlargement structural representation.
In figure, 1, bearing outer ring；1a, outer dustproof groove；1b, recess；2, bearing inner race；2a, interior dustproof groove；2b, noise reduction hole；
3, retainer；31, annular retainer component；32, claw；33, deck；5, ball；6, raceway；7, sealing strip；71, convex block；72、
First protrusion；73, the second protrusion；74, third protrusion；75, the 4th protrusion；11, retainer pocket hole；14, annular connector sleeve；15、
Pivoted housing in annular；16, fixed reinforcing rib；17, bracing piece；18, sound-proof material；19, noise transmission hole.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 to Figure 3, this structure improved deep groove ball bearing includes bearing inner race 2, bearing outer ring 1 and with protecting
The ball 5 of frame 3 is held, raceway 6 is equipped between the bearing inner race 2 and bearing outer ring 1 and above-mentioned ball 5 is located at the raceway 6
It is interior, which is characterized in that made of the retainer 3 ormolu and retainer 3 includes that two symmetrically arranged annulars are protected
Frame component 31 is held, is formed with claw 32 wherein extending radially outwardly on 31 end face of an annular retainer component, another annular retaining
It extends radially outwardly and curves inwardly on 31 end face of frame component and be formed with deck 33, the claw 32 is arranged in deck 33, often
The retainer pocket hole 11 1 being equipped on a retainer component on several retainer pocket holes 11 and two retainer components is a pair of
It answers, is set between bearing inner race 2 and bearing outer ring 1 there are two annular sealing strip 7, if the outer rim of sealing strip 7 has
The Inner edge of the convex block 71 of dry radial protrusion, sealing strip 7 have the first protrusion 72, the second protrusion 73, third protrusion 74 and the 4th
Protrusion 75,1 inside of bearing outer ring are equipped with outer dustproof groove 1a, and the bottom of the 1 outer dustproof groove 1a in inside of bearing outer ring is close equipped with recess 1b
Convex block 71 on 7 outer rim flanging of strip of paper used for sealing is located in recess 1b, and 2 outside of bearing inner race is equipped with interior dustproof groove 2a, and the on sealing strip 7
One protrusion 72 is tightly attached at interior dustproof groove 2a steps, and the second protrusion 73 and the 75 elastic interference of the 4th protrusion are tightly attached to outer dustproof groove 1a
Side.
Retainer 3 enhances bearing integral rigidity using ormolu as material, and service life is long, two rings of retainer 3
Noise when being correspondingly arranged between shape retainer component 31 improves antiwhip and reduce work, and this two
It is fixedly connected with by claw 32 and deck 33 between annular retainer component 31, without passing through the connection of the fasteners such as rivet, installation dimension
Shield is convenient.
Bearing inner race 2 is equipped with annular connector sleeve 14, pivoted housing 15 in the annular in 14 outside of annular connector sleeve is set in, in annular
The outer wall of pivoted housing 15 is connect by multiple fixed reinforcing ribs 16 with the inner wall of bearing inner race 2, the outer wall and ring of annular connector sleeve 14
The inner wall of pivoted housing 15 is connected by multiple bracing pieces 17 in shape；In annular connector sleeve 14 and annular between pivoted housing 15, annular transfer
Carry gap between set 15 and bearing inner race 2, multiple noise reduction hole 2b be equipped on bearing inner race 2, in the 2b of noise reduction hole filling every
Be equipped with perforative noise transmission hole 19 in sound cotton 18, annular connector sleeve 14 and annular on pivoted housing 15, annular connector sleeve 14 it is interior
Wall is equipped with screw thread, and annular connector sleeve 14 is threadedly coupled with extraneous rotation axis, bearing high-speed rotation in the process generation noise from
Noise transmission hole 19 in annular connector sleeve 14 and annular on pivoted housing 15 is transmitted to the noise reduction hole 2b on bearing inner race 2 by noise reduction hole
Sound-proof material 18 in 2b absorbs, to achieve the purpose that noise reduction, excellent noise reduction effect, annular connector sleeve 14 and pivoted housing 15 in annular it
Between, gap is carried in annular between pivoted housing 15 and bearing inner race 2, gap can also play the role of heat dissipation.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (1)
1. a kind of structure improved deep groove ball bearing, including bearing inner race, bearing outer ring and the ball with retainer, described
It is equipped with raceway between bearing inner race and bearing outer ring and above-mentioned ball is located in the raceway, which is characterized in that the holding
Made of frame ormolu and retainer includes two symmetrically arranged annular retainer components, wherein an annular retainer portion
It extends radially outwardly on part end face and is formed with claw, extend radially outwardly and curve inwardly on another annular retainer component end face
It is formed with deck, the claw is arranged in deck, several retainer pocket holes and two are equipped on each retainer component
Retainer pocket hole on retainer component corresponds, and sets that there are two annular between bearing inner race and bearing outer ring
Sealing strip, the outer rim of sealing strip have a convex block of several radial protrusions, and the Inner edge of sealing strip have the first protrusion, second convex
It rises, third protrusion and the 4th protrusion, bearing outer ring inside are equipped with equipped with outer dustproof groove, the bottom of the outer dustproof groove in bearing outer ring inside
Recess, the convex block on sealing strip outer rim flanging are located in recess, are equipped with interior dustproof groove on the outside of bearing inner race, and first on sealing strip
Protrusion is tightly attached at interior dustproof groove step, and the second protrusion is tightly attached to the side of outer dustproof groove, bearing with the 4th projecting elastic interference
Inner ring is equipped with pivoted housing in annular connector sleeve and the annular being set on the outside of annular connector sleeve, and the outer wall of pivoted housing passes through multiple in annular
The inner wall of fixed reinforcing rib and bearing inner race connects, and the inner wall of the outer wall and pivoted housing in annular of annular connector sleeve passes through multiple reinforcements
Bar connects；In annular connector sleeve and annular between pivoted housing, gap is carried in annular between pivoted housing and bearing inner race, in bearing
Circle is equipped with multiple noise reduction holes, sound insulation by filling cotton in noise reduction hole, and annular connector sleeve and annular transfer put on and be equipped with perforative make an uproar
Sound transfer hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892016.3U CN207673711U (en) | 2017-12-28 | 2017-12-28 | Structure improved deep groove ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721892016.3U CN207673711U (en) | 2017-12-28 | 2017-12-28 | Structure improved deep groove ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207673711U true CN207673711U (en) | 2018-07-31 |
Family
ID=62972729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721892016.3U Expired - Fee Related CN207673711U (en) | 2017-12-28 | 2017-12-28 | Structure improved deep groove ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207673711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227647A1 (en) * | 2021-04-29 | 2022-11-03 | 德尔玛轴承有限公司 | Noise-reducing deep-groove ball bearing |
-
2017
- 2017-12-28 CN CN201721892016.3U patent/CN207673711U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022227647A1 (en) * | 2021-04-29 | 2022-11-03 | 德尔玛轴承有限公司 | Noise-reducing deep-groove ball bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20191228 |