CN214578302U - Stable form deep groove ball bearing - Google Patents

Abstract

The utility model provides a stable form deep groove ball bearing belongs to bearing technical field. The deep groove ball bearing solves the problems that a steel ball in an existing deep groove ball bearing is fast in abrasion and short in service life. The stable deep groove ball bearing comprises an outer ring, an inner ring, a retainer and a plurality of steel balls, wherein the retainer is composed of a plurality of retainer main bodies which are distributed at intervals in a surrounding manner, each retainer main body is internally and cooperatively connected with one steel ball, and two adjacent retainer main bodies are connected through a connecting piece with an oil storage chamber inside. The utility model has the advantages of make the steel ball keep lubricated, difficult wearing and tearing improve the whole life of bearing.

Description

Stable form deep groove ball bearing

Technical Field

The utility model belongs to the technical field of the bearing, a deep groove ball bearing is related to, in particular to stable form deep groove ball bearing.

Background

The original single-row radial ball bearing of the deep groove ball bearing is a rolling bearing which is most widely applied. The existing deep groove ball bearing has the problems of single structure, lack of a lubricating structure inside, quick abrasion of a steel ball and short service life of a bearing.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a lubricated effectual, improve whole life's stable form deep groove ball bearing.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a stable form deep groove ball bearing, includes outer lane, inner circle, holder and a plurality of steel ball, its characterized in that, the holder encircle the holder main part that distributes by a plurality of interval and constitute, each the cooperation is connected with a steel ball in the holder main part, link to each other through the inside connector that has the oil storage chamber between two adjacent holder main parts, the holder main part form by first holder monomer and the combination of second holder monomer, first holder monomer and second holder monomer all be half arc bodily form, the first extension that outwards extends all has at the first both ends of first holder monomer, the free both ends of second holder all have the second extension that outwards extends, first extension and second extension correspond the laminating and lean on, all set up the first oil groove of crossing that is linked together with the oil storage chamber on the inner wall of first extension, the oil groove is crossed to the second that is linked together with the oil storage chamber all seted up on the inner wall of second extension, first holder monomer inner wall on radially set up with first annular of crossing the oil groove intercommunication cross the oil groove, second holder monomer inner wall on radially set up with the second annular of crossing the oil groove intercommunication cross the oil groove, the holder main part pass through fixing bolt and link fixed continuous.

In the above-mentioned stable type deep groove ball bearing, first holder monomer and second holder monomer splice each other, make first extension and the combination of second extension form the extension main part, first oil groove and the combination of second oil groove form the oil groove main part, first annular oil groove and the combination of second oil groove form the annular oil groove main part of crossing.

In foretell a stable form deep groove ball bearing, the both sides position department of connector tip all has the spacing portion of outside extension, has the interval groove that supplies extension main part to stretch into between two spacing portions, the both ends face of connector all has the oil-out that makes the oil storage chamber and cross oil groove main part intercommunication, the connector top oil filler point have, the oil filler point in the joint have the end cap.

In the above-mentioned stable deep groove ball bearing, the first single retainer body has a positioning protrusion on its end face, and the second single retainer body has a positioning groove at a position corresponding to the positioning protrusion.

In the stable deep groove ball bearing, the outer walls of the first extending part and the second extending part are both provided with first screw holes, the limiting part is provided with second screw holes corresponding to the first screw holes in a front-back penetrating manner, and the first screw holes are fixedly connected with the second screw holes through fixing bolts.

Compared with the prior art, the stable deep groove ball bearing has a lubricating structure for providing lubricating oil, so that steel balls are kept lubricated and are not easy to wear, and the overall high stability and the service life of the bearing are improved.

Drawings

Fig. 1 is a schematic view of the structure of the present stable deep groove ball bearing.

Fig. 2 is a schematic structural view of the cage body.

Fig. 3 is a sectional structural schematic view of the coupling.

Fig. 4 is a partial structural schematic view of the first holder unit.

In the figure, 1, outer ring; 2. an inner ring; 3. steel balls; 4. a holder body; 5. an oil storage chamber; 6. a coupling member; 7. a first holder unit; 8. a second holder unit; 9. a first extension portion; 10. a second extension portion; 11. a first oil passing groove; 12. a second oil passing groove; 13. a first annular oil passing groove; 14. a second annular oil passing groove; 15. a limiting part; 16. a spacing groove; 17. an oil outlet; 18. an oil filler hole; 19. positioning the projection; 20. a first screw hole; 21. and a second screw hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4, the stable deep groove ball bearing includes an outer ring 1, an inner ring 2, a retainer and a plurality of steel balls 3, the retainer is composed of a plurality of retainer bodies 4 distributed around at intervals, each retainer body 4 is connected with one steel ball 3 in a matching way, two adjacent retainer bodies 4 are connected through a connector 6 with an oil storage chamber 5 inside, the retainer body 4 is composed of a first retainer body 7 and a second retainer body 8, the first retainer body 7 and the second retainer body 8 are in a half arc shape, two ends of the first retainer body 7 are respectively provided with a first extending part 9 extending outwards, two ends of the second retainer body 8 are respectively provided with a second extending part 10 extending outwards, the first extending part 9 and the second extending part 10 are correspondingly attached and abutted, the inner wall of the first extending part 9 is provided with a first oil groove 11 communicated with the oil storage chamber 5, the second that is linked together with oil storage chamber 5 is crossed oil groove 12 all seted up on the inner wall of second extension 10, radially set up on the first holder monomer 7 inner wall with the first annular oil groove 13 of crossing oil groove 11 intercommunication, radially set up on the second holder monomer 8 inner wall with the second annular oil groove 14 of crossing oil groove 12 intercommunication, holder main part 4 passes through fixing bolt and links to each other with connector 6 is fixed.

Preferably, the first retainer unit 7 and the second retainer unit 8 are spliced with each other, so that the first extension portion 9 and the second extension portion 10 are combined to form an extension portion main body, the first oil passing groove 11 and the second oil passing groove 12 are combined to form an oil passing groove main body, and the first annular oil passing groove 13 and the second annular oil passing groove 14 are combined to form an annular oil passing groove main body.

Preferably, both side positions of the end portion of the connecting member 6 are provided with limiting portions 15 extending outwards, a spacing groove 16 for the extension portion main body to extend into is arranged between the two limiting portions 15, both end faces of the connecting member 6 are provided with oil outlets 17 enabling the oil storage chamber 5 to be communicated with the oil passing groove main body, the top portion of the connecting member 6 is provided with an oil filling hole 18, and a plug is clamped in the oil filling hole 18.

It is further said that, the protruding 19 of location has on the terminal surface of first holder monomer 7, the constant head tank has been seted up to the protruding 19 position department of corresponding location on the second holder monomer 8, the protruding 19 location on the first holder monomer 7 stretches into in the corresponding constant head tank of second holder monomer 8, both mutual location joints, form preliminary connection, first screw 20 has all been seted up with the outer wall of second extension 10 to first extension 9, run through around on spacing portion 15 and set up the second screw 21 that corresponds with first screw 20, first screw 20 passes through fixing bolt with second screw 21 and links to each other.

In this embodiment, the inner and outer side walls of the coupling member 6 are both arc-shaped surfaces, the inner and outer side walls of the extension portion main body are both arc-shaped surfaces, and the coupling member 6 and the inner and outer side walls of the extension portion main body are both arc-shaped surfaces, so that the coupling member 6 and the retainer main body 4 can be easily installed between the outer ring 1 and the inner ring 2.

During connection, the first retainer body 7 and the second retainer body 8 are positioned and spliced, so that the first extension part 9 and the second extension part 10 are combined to form an extension part main body, the connecting piece 6 is connected in, the extension part main body enters the spacing groove 16, finally, the retainer body 4 is fixedly connected with the connecting piece 6 through the fixing bolt, and one connecting piece 6 is fixed between every two adjacent retainer bodies 4.

During operation, lubricating oil is injected into the oil storage chamber 5, flows out from the two ends of the oil storage chamber 5 respectively, enters the corresponding oil passing groove main bodies, and then flows into the annular oil passing groove main bodies, so that the steel balls 3 which are installed in the retainer main body 4 in a matched mode are lubricated, the lubricating oil can flow through the surfaces of the steel balls 3 firstly, then flows into the contact surfaces between the steel balls 3 and the outer ring 1 and between the steel balls 3 and the inner ring 2, the lubrication is achieved, the steel balls 3 are not prone to abrasion, and the service life of the bearing is prolonged.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (5)

1. The utility model provides a stable form deep groove ball bearing, includes outer lane (1), inner circle (2), holder and a plurality of steel ball (3), its characterized in that, the holder encircle holder main part (4) that distribute by a plurality of interval and constitute, each holder main part (4) fit in is connected with a steel ball (3), link to each other through inside connector (6) that have oil storage chamber (5) between two adjacent holder main parts (4), holder main part (4) form by first holder monomer (7) and the combination of second holder monomer (8), first holder monomer (7) and second holder monomer (8) all be half arc bodily form, the both ends of first holder monomer (7) all have first extension (9) of outside extension, the both ends of second holder monomer (8) all have second extension (10) of outside extension, first extension (9) and second extension (10) correspond the laminating and lean on, all offer first oil groove (11) of crossing that are linked together with oil storage chamber (5) on the inner wall of first extension (9), oil groove (12) are crossed to the second that all offer to be linked together with oil storage chamber (5) on the inner wall of second extension (10), first holder monomer (7) inner wall on radially offer with first annular of crossing oil groove (11) intercommunication cross oil groove (13), second holder monomer (8) inner wall on radially offer with the second ring of crossing oil groove (12) intercommunication cross oil groove (14), holder main part (4) pass through fixing bolt and link (6) fixed the linking to each other.

2. The stable deep groove ball bearing according to claim 1, wherein the first cage unit (7) and the second cage unit (8) are assembled with each other such that the first extension portion (9) and the second extension portion (10) are combined to form an extension portion main body, the first oil passing groove (11) and the second oil passing groove (12) are combined to form an oil passing groove main body, and the first annular oil passing groove (13) and the second annular oil passing groove (14) are combined to form an annular oil passing groove main body.

3. The stable deep groove ball bearing as claimed in claim 2, wherein the connecting member (6) has two outwardly extending limiting portions (15) at two sides of the end portion, a spacing groove (16) for the extension portion main body to extend into is provided between the two limiting portions (15), the connecting member (6) has two end faces each having an oil outlet (17) for communicating the oil storage chamber (5) with the oil passing groove main body, the connecting member (6) has an oil filling hole (18) at the top, and a plug is clamped in the oil filling hole (18).

4. The stable deep groove ball bearing according to claim 1, wherein the first single cage body (7) has a positioning protrusion (19) on the end surface, and the second single cage body (8) has a positioning groove at the position corresponding to the positioning protrusion (19).

5. The stable deep groove ball bearing as claimed in claim 3, wherein the first extension portion (9) and the second extension portion (10) have first screw holes (20) formed in their outer walls, the limiting portion (15) has second screw holes (21) formed through it, the second screw holes (21) corresponding to the first screw holes (20), and the first screw holes (20) and the second screw holes (21) are fixed together by fixing bolts.

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