CN207673710U - Deep groove ball bearing - Google Patents

Abstract

The utility model provides a kind of 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 deep groove ball bearing includes bearing inner race, bearing outer ring and ball with retainer, it is equipped with raceway between bearing inner race and bearing outer ring and above-mentioned ball is located in the raceway, reinforcing ring is equipped on the outside of retainer, made of retainer ormolu and retainer includes two symmetrically arranged annular retainer components, it is equipped with several retainer pocket holes on each retainer component, end face is pasted with flake aluminum at two retainer component rivetings, the sealing element being provided symmetrically between bearing inner race and bearing outer ring, the outer rim of sealing element has circular fold, the outside of flanging has the convex block of several radial protrusions, there is the Inner edge of sealing element hemisphere jut bearing inner race to be equipped with pivoted housing in annular connector sleeve and the annular being set on the outside of annular connector sleeve.This practicability has the advantages that simple in structure, stability is good.

Description

Deep groove ball bearing

Technical field

The utility model belongs to technical field of bearings, is primarily related to a kind of 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 deep groove ball bearing, including bearing inner race, Bearing outer ring and ball with retainer are equipped with raceway and above-mentioned ball position between the bearing inner race and bearing outer ring In in the raceway, which is characterized in that reinforcing ring is equipped on the outside of the retainer, made of the retainer ormolu And retainer includes two symmetrically arranged annular retainer components, several retainer pockets are equipped on each retainer component Hole, two retainer components are riveted together and the retainer pocket hole on two retainer components corresponds, two retainers End face is pasted with flake aluminum at component riveting, the sealing element being provided symmetrically between bearing inner race and bearing outer ring, sealing element Outer rim there is circular fold, the outside of flanging there is the convex block of several radial protrusions, the Inner edge of sealing element to have spherical male It rises, annular backup pad is embedded on the madial wall of sealing element, upper annular dustproof groove, bearing outer ring inside are equipped on the inside of bearing outer ring The bottom of upper annular dustproof groove is equipped with recess, and the flanging on sealing element is resisted against in annular dustproof groove and convex block is located at recess It is interior, lower annular dustproof groove is equipped on the outside of bearing inner race, the inner edge of sealing element is adjacent on bearing inner race lateral wall and hemisphere jut It is fastened in lower annular dustproof groove, the annular transfer that bearing inner race is equipped with annular connector sleeve and is set on the outside of annular connector sleeve Set, annular in pivoted housing outer wall by the inner wall of multiple fixed reinforcing ribs and bearing inner race connect, the outer wall of annular connector sleeve with The inner wall of pivoted housing is connected by multiple bracing pieces in annular；In annular connector sleeve and annular between pivoted housing, pivoted housing and axis in annular It holds and carries gap between inner ring, be equipped with multiple noise reduction holes on bearing inner race, sound insulation by filling cotton in noise reduction hole, annular connector sleeve It is put on annular transfer and is 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 the holding Reinforcing ring is also fixed with by rivet on frame, strengthens the intensity of retainer, ensure that deep groove ball bearing stablizes the operation of safety.

2, by the way that above annular dustproof groove is arranged on the inside of bearing outer ring, lower annular dustproof groove is equipped on the outside of bearing inner race, By on sealing element convex block and hemisphere jut be arranged in respectively in the recess of upper annular dustproof groove and lower annular dustproof groove in, to Reach good sealing effect, while annular backup pad is embedded on the madial wall of sealing element, plays the work of supporting sealing member With stability is good.

3, 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 retainer component in the utility model.

Fig. 3 is the schematic cross-sectional view of retainer in the utility model.

In figure, 1, bearing outer ring；1a, upper annular dustproof groove；1b, recess；2, bearing inner race；2a, lower annular dustproof groove； 2b, noise reduction hole；3, retainer；31, retainer component；5, ball；6, raceway；7, sealing element；7a, flanging；7b, convex block；7c, ball Shape protrusion；8, reinforcing ring；11, retainer pocket hole；12, flake aluminum；13, support plate；14, annular connector sleeve；15, annular transfer Set；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 deep groove ball bearing includes bearing inner race 2, bearing outer ring 1 and the ball with retainer 3 5, it is equipped with raceway 6 between the bearing inner race 2 and bearing outer ring 1 and above-mentioned ball 5 is located in the raceway 6, the guarantor It holds 3 outside of frame and is equipped with reinforcing ring 8, the retainer 3 is manufactured with ormolu and retainer 3 includes two symmetrically arranged Annular retainer component 31 is equipped with several retainer pocket holes 11, two retainer components 31 on each retainer component 31 It is riveted together and the retainer pocket hole 11 on two retainer components 31 corresponds, end at two 31 rivetings of retainer component Face is pasted with flake aluminum 12, the sealing element 7 being provided symmetrically between bearing inner race 2 and bearing outer ring 1, the outer rim of sealing element 7 With circular fold 7a, there is the convex block 7b of several radial protrusions, the Inner edge of sealing element 7 to have spherical male in the outside of flanging 7a 7c is played, annular backup pad 13 is embedded on the madial wall of sealing element 7,1 inside of bearing outer ring is equipped with upper annular dustproof groove 1a, bearing The bottom of the upper annular dustproof groove 1a in 1 inside of outer ring is equipped with recess 1b, and the flanging 7a on sealing element 7 is resisted against annular dustproof groove 1a Interior and convex block 7b is located in recess 1b, and 2 outside of bearing inner race is equipped with lower annular dustproof groove 2a, and the inner edge of sealing element 7 is adjacent in axis It holds on 2 lateral wall of inner ring and hemisphere jut 7c is fastened in lower annular dustproof groove 2a.

The reinforcing ring 8 that 3 outside of retainer is equipped with can preferably be such that retainer 3 fixes, and keep its intensity, add Annular shallow slot is arranged in 1 inside of bearing outer ring, and such lubricant medium just easily enters retainer 3, therefore when deep groove ball bearing exists It can preferably avoid lasso rib to generate friction with 3 outer diameter of retainer or internal diameter, wear when running at high speed and generate heat, to make Two retainer components 31 of its normal operation, composition retainer 3 are fixed together, and such deep groove ball bearing was being run Cheng Zhong, it is abnormal to occur the operation brought due to two retainer components 31 fall off or loosen the problems such as, and two Retainer component 31 be symmetrical arranged and two retainer components 31 on retainer pocket hole 11 correspond be conducive to entire portion Part uniform force reduces vibration, keeps balance, and 3 rigidity of retainer of the material of ormolu is strong, is unlikely to deform.Flake aluminum 12 paste and have consolidated 3 overall structure of retainer, and when load, the working strength of retainer 3 born also is able to prodigious promotion.

By the way that in the bearing outer ring upper annular dustproof groove 1a of 1 inside setting, lower annular dustproof groove is equipped in 2 outside of bearing inner race 2a, by sealing element 7 convex block 7b and hemisphere jut 7c is arranged in respectively in the recess 1b of upper annular dustproof groove 1a and lower annular In dustproof groove 2a, to reach good sealing effect, while annular backup pad 13 is embedded on the madial wall of sealing element 7, Play the role of supporting sealing member 7, stability is good.

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 deep groove ball bearing, including bearing inner race, bearing outer ring and the ball with retainer, the bearing inner race and It is equipped with raceway between bearing outer ring and above-mentioned ball is located in the raceway, which is characterized in that is equipped on the outside of the retainer Reinforcing ring, made of the retainer ormolu and retainer includes two symmetrically arranged annular retainer components, Several retainer pocket holes are equipped on each retainer component, two retainer components are riveted together and two retainer portions Retainer pocket hole on part corresponds, and end face is pasted with flake aluminum, bearing inner race and bearing at two retainer component rivetings There is the outer rim of the sealing element being provided symmetrically between outer ring, sealing element circular fold, the outside of flanging to have several diameters To the convex block of protrusion, the Inner edge of sealing element have hemisphere jut, are embedded with annular backup pad on the madial wall of sealing element, outside bearing Circle inside is equipped with upper annular dustproof groove, and the bottom of the upper annular dustproof groove in bearing outer ring inside is equipped with recess, the flanging on sealing element Be resisted against in annular dustproof groove and convex block be located in recess, be equipped with lower annular dustproof groove on the outside of bearing inner race, sealing element it is interior Edge is adjacent on bearing inner race lateral wall and hemisphere jut is fastened in lower annular dustproof groove, and bearing inner race is equipped with annular connector sleeve With pivoted housing in the annular that is set on the outside of annular connector sleeve, in annular the outer wall of pivoted housing pass through multiple fixed reinforcing ribs in bearing The inner wall of circle connects, and 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 Between pivoted housing in annular, gap is carried in annular between pivoted housing and bearing inner race, multiple noise reductions are equipped on bearing inner race Hole, sound insulation by filling cotton in noise reduction hole, annular connector sleeve and annular transfer put on and are equipped with perforative noise transmission hole.