CN215673216U - Dustproof deep groove ball bearing - Google Patents

Dustproof deep groove ball bearing Download PDF

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Publication number
CN215673216U
CN215673216U CN202122144376.8U CN202122144376U CN215673216U CN 215673216 U CN215673216 U CN 215673216U CN 202122144376 U CN202122144376 U CN 202122144376U CN 215673216 U CN215673216 U CN 215673216U
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China
Prior art keywords
bearing
sealing
sealing ring
groove
ring
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CN202122144376.8U
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Chinese (zh)
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王敬美
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Taizhou Yongning Bearing Manufacturing Co ltd
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Taizhou Yongning Bearing Manufacturing Co ltd
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Priority to CN202122144376.8U priority Critical patent/CN215673216U/en
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Abstract

The utility model provides a dustproof deep groove bearing, and belongs to the field of bearings. The deep groove bearing sealing structure solves the problems of poor sealing performance and low stability of the deep groove bearing. This dustproof deep groove bearing, including the bearing inner race, the ball, holder and shield, the shield is two, and set up respectively in the bearing both sides, bearing inner race inner wall and inner circle outer wall cooperation are formed with the cavity, seal structure has between shield and bearing inner race and the bearing inner race, first sealed annular has been seted up on the inside wall of bearing inner race, the second sealed annular has been seted up on the lateral wall of bearing inner race, and first sealed annular and second sealed annular are inlayed and are had seal assembly, seal assembly is by seal lip and skeleton, compression spring has between seal lip and the shield internal perisporium, the corresponding position department of shield internal perisporium has the boss that supplies compression spring housing to establish, the mounting groove has been seted up to seal lip one side. The double-layer sealing structure has the advantages of reasonable structural design, high stability and double-layer sealing effect.

Description

Dustproof deep groove ball bearing
Technical Field
The utility model belongs to the field of bearings and relates to a dustproof deep groove ball bearing.
Background
The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The existing bearing generally comprises an outer ring, a sealing ring and an inner ring, wherein the sealing ring generally comprises a rubber body and a framework, is arranged in sealing grooves on two end faces of the outer ring of the bearing and has a structure that an inner lip of the sealing ring is in contact with a groove of the inner ring. However, the equipment may be used in a poor environment, and the traditional sealing ring is difficult to bear the erosion of impurities for a long time, so that the sealing ring is easily damaged, the service life of the bearing is affected, and even the equipment stops working.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a dustproof deep groove ball bearing with good dustproof effect and buffering force-relieving effect.
The purpose of the utility model can be realized by the following technical scheme: a dustproof deep groove bearing comprises a bearing outer ring, a bearing inner ring, balls, a retainer and a dustproof cover, it is characterized in that the two dustproof covers are respectively arranged at two sides of the bearing, the inner wall of the outer ring of the bearing is matched with the outer wall of the inner ring to form a cavity for accommodating the ball, a sealing structure is arranged between the dust cover and the bearing outer ring as well as between the dust cover and the bearing inner ring, a first sealing ring groove is arranged on the inner side wall of the bearing outer ring, a second sealing ring groove is arranged on the outer side wall of the bearing inner ring, and the first sealing ring groove and the second sealing ring groove are inlaid with sealing components which are composed of sealing lips and a framework for supporting sealing and having sound absorption and noise reduction functions, compression spring has between seal lip and the shield internal perisporium, the corresponding position department of shield internal perisporium boss that supplies compression spring cover to establish has, seal lip one side seted up and supply compression spring to lean on the mounting groove that leans on.
In foretell dustproof deep groove bearing, the seal lip in inlay and have the skeleton, the skeleton cross section is the setting of L type, just the cross section length of skeleton is less than cavity length.
In foretell dustproof zanjon bearing, seal structure for being located inlay rubber seal ring one and rubber seal ring two between shield inner wall and bearing inner race lateral wall, just two one ends of rubber seal ring lean on to install in the shield, the other end leans on to install and seal lip.
In foretell dustproof zanjon bearing, seal lip one end support to lean on and inlay in first seal ring groove bottom, and the other end supports to lean on and inlays in second seal ring groove bottom, is located seal lip one end in the second seal ring groove have radial bellied bellying and the extension of outside extension, just the bellying support to lean on and install in second seal ring groove bottom one side, the extension support to lean on and install in second seal ring groove bottom opposite side.
In the dustproof deep groove bearing, the inner walls of the dustproof covers of the rubber sealing ring I and the rubber sealing ring II are provided with sawtooth parts, and the rubber sealing ring I and the rubber sealing ring II are provided with sawteeth which are matched and connected with the sawtooth parts on the dustproof covers.
Compared with the prior art, this dustproof zanjon bearing has following advantage:
1. be provided with seal assembly, seal assembly has seal lip and skeleton to constitute, and this skeleton has the function of inhaling the sound and making an uproar and fall, can effectively completely cut off the noise of bearing during operation to be provided with the seal lip ability, and one side in installation and the cavity is inlayed to this seal lip, inside effectual isolated its dust got into the bearing, thereby influenced its life.
2. Be provided with shield and seal assembly, be that this bearing has dual dustproof effect, dustproof effect is better, is provided with compression spring between shield and seal assembly simultaneously, has strengthened the bearing stability at the during operation.
3. All be provided with the sawtooth portion of mutually supporting on shield inner wall and rubber seal ring one and rubber seal ring two, further the stability between shield and the bearing of having strengthened.
Drawings
Fig. 1 is a schematic partial sectional view of the dustproof deep groove bearing.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a partially enlarged view of fig. 1 at B.
In the figure, 1, a bearing outer ring; 2. a bearing inner race; 3. a ball bearing; 4. a holder; 5. a dust cover; 6. a cavity; 7. a first seal ring groove; 8. a second seal ring groove; 9. a sealing lip; 10. a framework; 11. a compression spring; 12. a boss; 13. mounting grooves; 14. a seal assembly; 15. a first rubber sealing ring; 16. a rubber sealing ring II; 17. a boss portion; 18. an extension portion; 19. and (4) a sawtooth part.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and fig. 2 and fig. 3, the dustproof deep groove bearing comprises a bearing outer ring 1, two dustproof covers 5, two balls 3, a retainer 4 and a dustproof cover 5, wherein the dustproof covers 5 are respectively arranged at two sides of the bearing, a cavity 6 for accommodating the balls 3 is formed by matching the inner wall of the bearing outer ring 1 and the outer wall of the inner ring, a sealing structure is arranged between the dustproof cover 5 and the bearing outer ring 1 and the bearing inner ring 2, a first sealing ring groove 7 is arranged on the inner wall of the bearing outer ring 1, a second sealing ring groove 8 is arranged on the outer wall of the bearing inner ring 2, a sealing assembly 14 is embedded in the first sealing ring groove 7 and the second sealing ring groove 8, the sealing assembly 14 comprises a sealing lip 9 and a framework 10 for supporting and sealing and having sound absorption and noise reduction functions, a compression spring 11 is arranged between the sealing lip 9 and the inner wall of the dustproof cover 5, a boss 12 for sleeving the compression spring 11 is arranged at a position corresponding to the inner wall of the dustproof cover 5, one side of the sealing lip 9 is provided with a mounting groove 13 for the compression spring 11 to abut against.
In a further elaboration, the sealing lip 9 is embedded with a framework 10, the cross section of the framework 10 is in an L-shaped arrangement, and the length of the cross section of the framework 10 is smaller than that of the cavity 6.
In a further elaboration, the sealing structure is a first rubber sealing ring 15 and a second rubber sealing ring 16 which are positioned between the inner wall of the dust cover 5 and the side wall of the bearing outer ring 1 and the side wall of the bearing inner ring 2, one end of the second rubber sealing ring 16 is abutted to the dust cover 5, and the other end of the second rubber sealing ring is abutted to the mounting and sealing lip 9.
In a further elaboration, one end of the sealing lip 9 abuts against and is embedded in the bottom of the first sealing ring groove 7, the other end of the sealing lip abuts against and is embedded in the bottom of the second sealing ring groove 8, one end of the sealing lip 9 located in the second sealing ring groove 8 is provided with a radial convex bulge portion 17 and an outwardly extending extension portion 18, the bulge portion 17 abuts against and is installed on one side of the bottom of the second sealing ring groove 8, and the extension portion 18 abuts against and is installed on the other side of the bottom of the second sealing ring groove 8.
In a further elaboration, the inner wall of the dust cover 5, which is located on the first rubber sealing ring 15 and the second rubber sealing ring 16, is provided with a sawtooth part 19, and the first rubber sealing ring 15 and the second rubber sealing ring 16 are both provided with sawteeth which are matched and connected with the sawtooth part 19 on the dust cover 5.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (5)

1. A dustproof deep groove bearing comprises a bearing outer ring (1), a bearing inner ring (2), balls (3), a retainer (4) and a dustproof cover (5), and is characterized in that the dustproof cover (5) is two and is respectively arranged on two sides of the bearing, the inner wall of the bearing outer ring (1) and the outer wall of the inner ring are matched to form a cavity (6) for accommodating the balls (3), a sealing structure is arranged between the dustproof cover (5) and the bearing outer ring (1) and the bearing inner ring (2), a first sealing ring groove (7) is formed in the inner side wall of the bearing outer ring (1), a second sealing ring groove (8) is formed in the outer side wall of the bearing inner ring (2), a sealing assembly (14) is embedded in the first sealing ring groove (7) and the second sealing ring groove (8), the sealing assembly (14) is formed by a sealing lip (9) and a framework (10) which is used for supporting sealing and has the functions of sound absorption and noise reduction, compression spring (11) have between lip (9) and shield (5) internal perisporium, shield (5) internal perisporium corresponding position department have boss (12) that supply compression spring (11) cover to establish, lip (9) one side seted up mounting groove (13) that supply compression spring (11) to support and lean on.
2. The dust-proof deep groove bearing as claimed in claim 1, characterized in that a skeleton (10) is embedded in the sealing lip (9), the cross section of the skeleton (10) is arranged in an L shape, and the length of the cross section of the skeleton (10) is less than that of the cavity (6).
3. The deep groove bearing for dust prevention of claim 1, wherein the sealing structure is a first rubber sealing ring (15) and a second rubber sealing ring (16) which are embedded between the inner wall of the dust cover (5) and the side walls of the outer ring (1) and the inner ring (2), and one end of the second rubber sealing ring (16) is abutted against the dust cover (5) and the other end is abutted against the mounting and sealing lip (9).
4. The dustproof deep groove bearing as claimed in claim 3, wherein one end of the sealing lip (9) abuts against the bottom of the groove inlaid in the first sealing ring groove (7), the other end of the sealing lip abuts against the bottom of the groove inlaid in the second sealing ring groove (8), one end of the sealing lip (9) located in the second sealing ring groove (8) is provided with a protruding portion (17) protruding in the radial direction and an extending portion (18) extending outwards, the protruding portion (17) abuts against and is installed on one side of the bottom of the second sealing ring groove (8), and the extending portion (18) abuts against and is installed on the other side of the bottom of the second sealing ring groove (8).
5. The deep groove bearing with dust prevention function of claim 3, wherein sawteeth (19) are formed on the inner wall of the dust cover (5) of the first rubber sealing ring (15) and the second rubber sealing ring (16), and sawteeth matched and connected with the sawteeth (19) on the dust cover (5) are formed on the first rubber sealing ring (15) and the second rubber sealing ring (16).
CN202122144376.8U 2021-09-06 2021-09-06 Dustproof deep groove ball bearing Active CN215673216U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122144376.8U CN215673216U (en) 2021-09-06 2021-09-06 Dustproof deep groove ball bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122144376.8U CN215673216U (en) 2021-09-06 2021-09-06 Dustproof deep groove ball bearing

Publications (1)

Publication Number Publication Date
CN215673216U true CN215673216U (en) 2022-01-28

Family

ID=79960131

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122144376.8U Active CN215673216U (en) 2021-09-06 2021-09-06 Dustproof deep groove ball bearing

Country Status (1)

Country Link
CN (1) CN215673216U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114877181A (en) * 2022-05-10 2022-08-09 中国电子科技集团公司第十四研究所 Rotary support arm capable of realizing rapid maintenance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114877181A (en) * 2022-05-10 2022-08-09 中国电子科技集团公司第十四研究所 Rotary support arm capable of realizing rapid maintenance

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