CN214578368U - Dustproof deep groove ball bearing - Google Patents

Abstract

The utility model provides a dustproof deep groove ball bearing belongs to bearing technical field. It has solved the current not good problem of deep groove ball bearing dustproof effect. This dustproof deep groove ball bearing, including the bearing body, the bearing body is by the outer lane, the inner circle, the steel ball that holder and a plurality of installed on the holder is constituteed, be provided with the dust guard between outer lane and the inner circle, the dust guard is first dust guard and second dust guard, first dust guard and second dust guard are located the both sides of bearing body respectively, all be provided with the outer seal who has dustproof function between outer lane and first dust guard and outer lane and the second dust guard, all be provided with the inner seal who has dustproof function between inner circle and first dust guard and inner circle and the second dust guard. The utility model has the advantages of realize that corresponding wall laminating is compacter, sealed effect is better, dustproof effect is better.

Description

Dustproof 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 dustproof 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 traditional deep groove ball bearing generally comprises an outer ring, an inner ring, a group of steel balls and a group of retainers, but the steel balls are exposed to the outside and are contacted with the air in the deep groove ball bearing with the basic structure, if the deep groove ball bearing is applied to a poor environment, impurities such as sand grains, dust, scrap iron and the like in the outside are easy to contact with the steel balls, so that the steel balls are abraded and damaged, and the service life of the steel balls is influenced.

Therefore, the dust guard plate is arranged between the inner ring and the outer ring of the existing deep groove ball bearing, but the structure between the dust guard plate and the inner ring and the structure between the dust guard plate and the outer ring of the existing deep groove ball bearing are not tight, a large amount of dust can enter the structure, and the service life of the steel ball and even the service life of the whole deep groove ball bearing are still influenced.

Disclosure of Invention

The utility model aims at providing a dustproof effectual deep groove ball bearing to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a dustproof deep groove ball bearing comprises a bearing body, wherein the bearing body consists of an outer ring, an inner ring, a retainer and a plurality of steel balls arranged on the retainer, a dustproof plate is arranged between the outer ring and the inner ring, the dustproof plates are a first dustproof plate and a second dustproof plate, and the first dustproof plate and the second dustproof plate are respectively positioned at two sides of the bearing body, the dustproof deep groove ball bearing is characterized in that outer sealing pieces with dustproof functions are respectively arranged between the outer ring and the first dustproof plate and between the outer ring and the second dustproof plate, inner sealing pieces with dustproof functions are respectively arranged between the inner ring and the first dustproof plate and between the inner ring and the second dustproof plate, outer sealing grooves are respectively arranged at positions corresponding to the two outer sealing pieces on the inner wall of the outer ring, inner sealing grooves are respectively arranged at positions corresponding to the two inner sealing pieces on the outer wall of the inner ring, the inner ends of the outer sealing pieces are embedded into the outer sealing grooves, the outer end stretches out outside the outer seal groove and is sealed with the laminating of the periphery wall of dust guard, inner seal inner imbed in the inner seal groove, the outer end stretches out outside the inner seal groove and is sealed with the laminating of the internal perisporium of dust guard, outer seal groove in all be provided with and make corresponding outer seal outer end compress tightly the first unit that compresses tightly on the dust guard periphery wall, the inner seal groove in all be provided with and make corresponding inner seal outer end compress tightly the second unit that compresses tightly on the dust guard internal perisporium.

In the above-mentioned dustproof deep groove ball bearing, the first pressing unit is composed of a first outer pressing member, a second outer pressing member, a third outer pressing member and a fourth outer pressing member, the first outer pressing piece, the second outer pressing piece, the third outer pressing piece and the fourth outer pressing piece are all arc-shaped, the first outer pressing part, the second outer pressing part, the third outer pressing part and the fourth outer pressing part are mutually surrounded and combined to form a complete circular structure, a plurality of first limit bulges which are arranged in a hollow way are evenly distributed on the groove wall of the outer sealing groove at intervals along the circumferential direction, the first limiting bulges are internally provided with first compression springs, the outer ends of the first compression springs are pressed against the outer wall of the first compression unit, so that the inner wall of the first compression unit compresses the outer sealing element, the inner peripheral wall of the outer sealing element is sealed on the outer peripheral wall of the dustproof plate in a fitting mode under the compression effect of the first compression unit.

In the dustproof deep groove ball bearing, two ends of the first outer pressing piece are respectively provided with a first outer pressing part, two ends of the second outer pressing piece are respectively provided with a second outer pressing part, two ends of the third outer pressing piece are respectively provided with a third outer pressing part, two ends of the fourth outer pressing piece are respectively provided with a fourth outer pressing part, the first outer pressing part at one end of the first outer pressing piece is correspondingly abutted against the second outer pressing part at one end of the second outer pressing piece, the second outer pressing part at the other end of the second outer pressing piece is correspondingly abutted against the third outer pressing part at one end of the third outer pressing piece, the third outer pressing part at the other end of the third outer pressing piece is correspondingly abutted against the fourth outer pressing part at one end of the fourth outer pressing piece, and the fourth outer pressing part at the other end of the fourth outer pressing piece is correspondingly abutted against the fourth outer pressing part at the other end of the first outer pressing piece.

In the dustproof deep groove ball bearing, the second pressing unit consists of a first inner pressing part, a second inner pressing part, a third inner pressing part and a fourth inner pressing part, the first inner pressing part, the second inner pressing part, the third inner pressing part and the fourth inner pressing part are all arc-shaped, the first inner pressing part, the second inner pressing part, the third inner pressing part and the fourth inner pressing part are mutually surrounded and combined to form a complete circular structure, a plurality of second limit bulges which are arranged in a hollow way are evenly distributed on the groove wall of the inner sealing groove at intervals along the circumferential direction, second compression springs are arranged in the second limiting bulges, the outer ends of the second compression springs are pressed against the inner wall of the second compression unit, so that the outer wall of the second compression unit compresses the inner sealing element, the outer peripheral wall of the inner sealing piece is sealed on the inner peripheral wall of the dustproof plate in a fitting mode under the effect of the second pressing unit.

In the above-mentioned dustproof deep groove ball bearing, two ends of the first inner pressing member all have the first inner pressing portion, two ends of the second inner pressing member all have the second inner pressing portion, two ends of the third inner pressing member all have the third inner pressing portion, two ends of the fourth inner pressing member all have the fourth inner pressing portion, the first inner pressing portion at one end of the first inner pressing member correspondingly abuts against the second inner pressing portion at one end of the second inner pressing member, the second inner pressing portion at the other end of the second inner pressing member correspondingly abuts against the third inner pressing portion at one end of the third inner pressing member, the third inner pressing portion at the other end of the third inner pressing member correspondingly abuts against the fourth inner pressing portion at one end of the fourth inner pressing member, and the fourth inner pressing portion at the other end of the fourth inner pressing member correspondingly abuts against the first inner pressing portion at the other end of the first inner pressing member.

Compared with the prior art, this dustproof deep groove ball bearing advances to correspond the extrusion through first pressure spring and second pressure spring to first pressure unit and second pressure spring to make first pressure unit and second pressure unit compress tightly outer seal spare and inner seal spare on the outer wall and the inner wall of dust cover, realize that corresponding wall laminating is compacter, sealed effect is better, effect that dustproof effect is better.

Drawings

Fig. 1 is a schematic view of a partial sectional structure of the dustproof deep groove ball bearing.

In the figure, 1, a bearing body; 2. an outer ring; 3. an inner ring; 4. a dust-proof plate; 5. an outer seal; 6. an inner seal; 7. an outer seal groove; 8. an inner seal groove; 9. an outer pressing piece I; 10. an outer pressing piece II; 11. an outer pressing piece III; 12. an outer pressing piece IV; 13. a first limit protrusion; 14. a first hold-down spring; 15. an outer compression part I; 16. an outer pressing part II; 17. an outer compression part III; 18. an outer compression part IV; 19. a first inner pressing part; 20. a second inner pressing piece; 21. a third inner pressing piece; 22. a fourth inner clamping piece; 23. a second limit bulge; 24. a second hold-down spring; 25. a first inner compression part; 26. a second inner pressing part; 27. an inner pressing part III; 28. and the inner pressing part is IV.

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 figure 1, the dustproof deep groove ball bearing comprises a bearing body 1, wherein the bearing body 1 consists of an outer ring 2, an inner ring 3, a retainer and a plurality of steel balls arranged on the retainer, a dustproof plate 4 is arranged between the outer ring 2 and the inner ring 3, the dustproof plate 4 is a first dustproof plate and a second dustproof plate which are respectively positioned at two sides of the bearing body 1, outer sealing members 5 with dustproof function are respectively arranged between the outer ring 2 and the first dustproof plate as well as between the outer ring 2 and the second dustproof plate, inner sealing members 6 with dustproof function are respectively arranged between the inner ring 3 and the first dustproof plate as well as between the inner ring 3 and the second dustproof plate, outer sealing grooves 7 are respectively arranged at positions corresponding to the two outer sealing members 5 on the inner wall of the outer ring 2, inner sealing grooves 8 are respectively arranged at positions corresponding to the two inner sealing members 6 on the outer wall of the inner ring 3, the inner ends of the outer sealing members 5 are embedded into the outer sealing grooves 7, the outer end extends out of the outer seal groove 7 and is jointed and sealed with the outer peripheral wall of the dustproof plate 4, the inner end of the inner seal member 6 is embedded into the inner seal groove 8, the outer end extends out of the inner seal groove 8 and is jointed and sealed with the inner peripheral wall of the dustproof plate 4, further, each outer seal member 5 is embedded into the corresponding outer seal groove 7, each inner seal member 6 is embedded into the corresponding inner seal groove 8, the outer end of one side of the outer seal member 5 is jointed and sealed with the outer peripheral wall of the first dustproof plate, the outer end of the other side of the outer seal member 5 is jointed and sealed with the outer peripheral wall of the second dustproof plate, the outer end of one side of the inner seal member 6 is jointed and sealed with the inner peripheral wall of the first dustproof plate, the outer end of the other side of the inner seal member 6 is jointed and sealed with the inner peripheral wall of the second dustproof plate, the first pressing units which press the outer end of the corresponding outer seal member 5 against the outer peripheral wall of the dustproof plate 4 are arranged in the outer seal grooves 7, and second pressing units which enable the outer ends of the corresponding inner sealing pieces 6 to be pressed on the inner peripheral wall of the dust guard plate 4 are arranged in the inner sealing grooves 8.

Preferably, the first compressing unit is composed of a first outer compressing member 9, a second outer compressing member 10, a third outer compressing member 11 and a fourth outer compressing member 12, the first outer compressing member 9, the second outer compressing member 10, outer three 11 and the four 12 of outer pressure member of pressing down all are the arc form, outer pressure member 9, outer pressure member two 10, outer pressure member three 11 and outer pressure member four 12 surround the combination each other and form complete circle column structure, it has a plurality of first spacing arch 13 that is the cavity setting to distribute along its circumferencial direction evenly spaced on the cell wall of outer seal groove 7, all install first pressure spring 14 in first spacing arch 13, the outer end of first pressure spring 14 supports to lean on compressing tightly on the outer wall of first pressure unit, make the inner wall of first pressure unit compress tightly outer sealing member 5, the internal perisporium of outer sealing member 5 is sealed on the periphery wall of dust guard 4 in the laminating of first pressure unit down.

Preferably, both ends of an outer pressing piece 9 all have an outer pressing portion 15, both ends of an outer pressing piece two 10 all have an outer pressing portion two 16, both ends of an outer pressing piece three 11 all have an outer pressing portion three 17, both ends of an outer pressing piece four 12 all have an outer pressing portion four 18, an outer pressing portion one 15 of an outer pressing piece one end and an outer pressing portion two 16 of an outer pressing piece two 10 one end correspond to and lean on, an outer pressing portion two 16 of an outer pressing piece two 10 other end and an outer pressing portion three 17 of an outer pressing piece three 11 one end correspond to and lean on, an outer pressing portion three 17 of an outer pressing piece three 11 other end and an outer pressing portion four 18 of an outer pressing piece four 12 one end correspond to and lean on, an outer pressing portion four 18 of an outer pressing piece four 12 other end and an outer pressing portion one 15 of an outer pressing piece one 9 other end correspond to and lean on.

Preferably, the second compressing unit is composed of a first inner compressing member 19, a second inner compressing member 20, a third inner compressing member 21 and a fourth inner compressing member 22, the first inner compressing member 19, the second inner compressing member 20, the third inner compressing member 21 and the fourth inner compressing member 22 are all arc-shaped, the first inner compressing member 19, the second inner compressing member 20, the third inner compressing member 21 and the fourth inner compressing member 22 are combined to form a complete circle structure in a surrounding mode, a plurality of second limiting protrusions 23 which are arranged in a hollow mode are evenly distributed on the wall of the inner sealing groove 8 in the circumferential direction at intervals, second compressing springs 24 are installed in the second limiting protrusions 23, the outer ends of the second compressing springs 24 abut against and are compressed on the inner wall of the second compressing unit, the outer wall of the second compressing unit compresses the inner sealing member 6, and the outer peripheral wall of the inner sealing member 6 abuts against and is sealed on the inner peripheral wall of the dustproof plate 4 under the action of the second compressing unit.

Preferably, both ends of the first inner pressing member 19 are provided with first inner pressing portions 25, both ends of the second inner pressing member 20 are provided with second inner pressing portions 26, both ends of the third inner pressing member 21 are provided with third inner pressing portions 27, both ends of the fourth inner pressing member 22 are provided with fourth inner pressing portions 28, the first inner pressing portion 25 at one end of the first inner pressing member 19 is correspondingly abutted with the second inner pressing portion 26 at one end of the second inner pressing member 20, the second inner pressing portion 26 at the other end of the second inner pressing member 20 is correspondingly abutted with the third inner pressing portion 27 at one end of the third inner pressing member 21, the third inner pressing portion 27 at the other end of the third inner pressing member 21 is correspondingly abutted with the fourth inner pressing portion 28 at one end of the fourth inner pressing member 22, and the fourth inner pressing portion 28 at the other end of the fourth inner pressing member 22 is correspondingly abutted with the first inner pressing portion 25 at the other end of the first inner pressing member 19.

The first pressing unit and the second pressing spring 24 are correspondingly extruded through the first pressing spring 14 and the second pressing spring 24, so that the first pressing unit and the second pressing unit press the outer sealing element 5 and the inner sealing element 6 on the outer wall and the inner wall of the dust cover, the corresponding wall surfaces are attached compactly, and the sealing effect is better.

When the first pressing spring 14 and the second pressing spring 24 generate outward ejecting force, the first pressing unit and the second pressing unit which are formed by mutually surrounding and combining are pressed inwards, and then the first outer pressing part 9, the second outer pressing part 10, the third outer pressing part 11 and the fourth outer pressing part 12 are pressed inwards under the action of the first outer pressing part 15, the second outer pressing part 16, the third outer pressing part 17 and the fourth outer pressing part 18; the first inner pressing piece 19, the second inner pressing piece 20, the third inner pressing piece 21 and the fourth inner pressing piece 22 are pressed outwards under the action of the first inner pressing part 25, the second inner pressing part 26, the third inner pressing part 27 and the fourth inner pressing part 28, namely, the outer sealing piece 5 and the inner sealing piece 6 can be pressed simultaneously, so that the outer sealing piece 5 and the inner sealing piece 6 are attached to the outer and inner peripheral walls of the dustproof plate 4, and dust is prevented from entering the dustproof plate.

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. A dustproof deep groove ball bearing comprises a bearing body (1), wherein the bearing body (1) consists of an outer ring (2), an inner ring (3), a retainer and a plurality of steel balls arranged on the retainer, a dustproof plate (4) is arranged between the outer ring (2) and the inner ring (3), the dustproof plate (4) is a first dustproof plate and a second dustproof plate, the first dustproof plate and the second dustproof plate are respectively positioned at two sides of the bearing body (1), the dustproof deep groove ball bearing is characterized in that outer sealing parts (5) with dustproof functions are respectively arranged between the outer ring (2) and the first dustproof plate as well as between the outer ring (2) and the second dustproof plate, inner sealing parts (6) with dustproof functions are respectively arranged between the inner ring (3) and the first dustproof plate as well as between the inner ring (3) and the second dustproof plate, outer sealing grooves (7) are respectively arranged at positions corresponding to the two outer sealing parts (5) on the inner wall of the outer ring (2), inner circle (3) outer wall on the position department of two corresponding inner seal spare (6) all seted up inner seal groove (8), outer seal spare (5) inner embedding outer seal groove (7) in, the outer end stretches out outer seal groove (7) outer and with the periphery wall laminating of dust guard (4) sealed, inner seal spare (6) inner embedding inner seal groove (8) in, the outer end stretches out outer and with the interior perisporium laminating of dust guard (4) sealed of inner seal groove (8), outer seal groove (7) in all be provided with and make corresponding outer seal spare (5) outer end compress tightly the first unit that compresses tightly on dust guard (4) periphery wall, inner seal groove (8) in all be provided with and make corresponding inner seal spare (6) outer end compress tightly the second unit that compresses tightly on dust guard (4) interior perisporium.

2. The dustproof deep groove ball bearing according to claim 1, wherein the first pressing unit is composed of a first outer pressing member (9), a second outer pressing member (10), a third outer pressing member (11) and a fourth outer pressing member (12), the first outer pressing member (9), the second outer pressing member (10), the third outer pressing member (11) and the fourth outer pressing member (12) are all arc-shaped, the first outer pressing member (9), the second outer pressing member (10), the third outer pressing member (11) and the fourth outer pressing member (12) are combined around each other to form a complete circular structure, a plurality of first limiting bulges (13) which are arranged in a hollow mode are evenly distributed on the groove wall of the outer sealing groove (7) along the circumferential direction at intervals, first pressing springs (14) are installed in the first limiting bulges (13), and the outer ends of the first pressing springs (14) are pressed against the outer wall of the first pressing unit, and enabling the inner wall of the first pressing unit to press the outer sealing element (5), wherein the inner peripheral wall of the outer sealing element (5) is sealed on the outer peripheral wall of the dust-proof plate (4) in a fit manner under the pressing action of the first pressing unit.

3. The dustproof deep groove ball bearing as claimed in claim 2, wherein both ends of the first outer pressing member (9) have first outer pressing portions (15), both ends of the second outer pressing member (10) have second outer pressing portions (16), both ends of the third outer pressing member (11) have third outer pressing portions (17), both ends of the fourth outer pressing member (12) have fourth outer pressing portions (18), the first outer pressing portion (15) at one end of the first outer pressing member (9) is correspondingly abutted against the second outer pressing portion (16) at one end of the second outer pressing member (10), the second outer pressing portion (16) at the other end of the second outer pressing member (10) is correspondingly abutted against the third outer pressing portion (17) at one end of the third outer pressing member (11), the third pressing portion (17) at the other end of the third outer pressing member (11) is correspondingly abutted against the fourth outer pressing portion (18) at one end of the fourth outer pressing member (12), and an outer pressing part IV (18) at the other end of the outer pressing part IV (12) is correspondingly abutted against an outer pressing part I (15) at the other end of the outer pressing part I (9).

4. The dustproof deep groove ball bearing according to claim 1, wherein the second pressing unit is composed of a first inner pressing member (19), a second inner pressing member (20), a third inner pressing member (21) and a fourth inner pressing member (22), the first inner pressing member (19), the second inner pressing member (20), the third inner pressing member (21) and the fourth inner pressing member (22) are all arc-shaped bodies, the first inner pressing member (19), the second inner pressing member (20), the third inner pressing member (21) and the fourth inner pressing member (22) are combined around each other to form a complete circular structure, a plurality of second limiting protrusions (23) which are arranged in a hollow mode are uniformly distributed on the wall of the inner sealing groove (8) along the circumferential direction of the groove at intervals, second pressing springs (24) are installed in the second limiting protrusions (23), and the outer ends of the second pressing springs (24) are pressed against the inner wall of the second pressing unit, and enabling the outer wall of the second pressing unit to press the inner sealing piece (6), wherein the outer peripheral wall of the inner sealing piece (6) is sealed on the inner peripheral wall of the dust-proof plate (4) in a fit manner under the action of the second pressing unit.

5. The dustproof deep groove ball bearing according to claim 4, wherein the inner pressing part I (25) is arranged at each of two ends of the inner pressing part I (19), the inner pressing part II (26) is arranged at each of two ends of the inner pressing part II (20), the inner pressing part III (27) is arranged at each of two ends of the inner pressing part III (21), the inner pressing part IV (28) is arranged at each of two ends of the inner pressing part IV (22), the inner pressing part I (25) at one end of the inner pressing part I (19) is correspondingly abutted with the inner pressing part II (26) at one end of the inner pressing part II (20), the inner pressing part II (26) at the other end of the inner pressing part II (20) is correspondingly abutted with the inner pressing part III (27) at one end of the inner pressing part III (21), the inner pressing part III (27) at the other end of the inner pressing part III (21) is correspondingly abutted with the inner pressing part IV (28) at one end of the inner pressing part IV (22), and an inner pressing part IV (28) at the other end of the inner pressing part IV (22) is correspondingly abutted with an inner pressing part I (25) at the other end of the inner pressing part I (19).

Images