Combined sealing dustproof deep groove ball bearing

Abstract

The utility model relates to a combined sealing dustproof deep groove ball bearing, which belongs to the technical field of deep groove ball bearings and comprises a connecting ring, outer rings are arranged at the top end and the bottom end of the connecting ring, clamping plates are fixedly connected to the peripheries of the sides, close to the connecting ring, of the outer rings, and fixing bolts are in threaded connection with the interiors of the clamping plates; the connecting ring has the advantages that the clamping plates on the outer side of the outer ring are connected with the clamping grooves in the connecting ring in a clamped mode, then the outer ring can be fixed through the fixing bolts, the outer ring and the connecting ring can be connected more tightly through the arrangement of the reinforcing mechanism, and meanwhile the sealing mechanism is arranged, so that the sealing performance of the connecting ring is improved. According to the combined type sealing dustproof deep groove ball bearing, the sealing performance between the connecting ring and the outer ring is improved, corrosion of external impurities and dust to the balls is reduced, then the service life of the balls can be prolonged, and due to the fact that the connecting ring and the outer ring are conveniently detached, workers can conveniently replace and maintain a certain damaged part of the combined type sealing dustproof deep groove ball bearing.

Description

Technical Field

[0001] The utility model relates to the technical field of deep groove ball bearings, in particular to a combined sealed dustproof deep groove ball bearing. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. In other words, when several other parts move relative to each other on the shaft, they are used to reduce the friction coefficient during power transmission and keep the middle position of the shaft fixed. Bearings are an important component in modern mechanical equipment.

[0003] After searching, a Chinese patent disclosed a combined deep groove ball bearing (authorization announcement number CN208997173U), including two symmetrically arranged outer retaining rings and an inner retaining ring arranged inside the outer retaining ring, a protective ring is sleeved on the outside of the outer retaining ring, an annular support frame is arranged between the outer retaining ring and the inner retaining ring, and balls are rotatably connected to the top and bottom of the outer wall and the inner wall of the annular support frame, sealing rings are symmetrically arranged on the opposite sides of the outer retaining rings on both sides, and a connecting ring is arranged between the opposite sides of the outer retaining rings on both sides, a first annular guide groove is opened in the middle of the four sides of the inner wall of the outer retaining ring, and a second annular guide groove is opened in the middle of the four sides of the outer wall of the inner retaining ring. Although this patented technology can deliver lubricating oil to the groove corners of the special-shaped annular support frame, so that the outer retaining ring and the inner retaining ring are staggered smoothly, while maintaining sufficient delivery of lubricant, the structural connection is stable, and through coordinated work, wear is reduced and the service life is extended.

[0004] However, the above device still has some disadvantages in actual use. The most obvious one is that the above combined deep groove ball bearing is an integrated structure as a whole, which is not convenient for assembly and disassembly. When a part of the combined deep groove ball bearing is damaged, the bearing needs to be replaced as a whole, which greatly increases the maintenance cost. Utility Model Content

[0005] In view of the problem in the prior art that the above-mentioned combined deep groove ball bearing is an integrated structure as a whole, which is not convenient for assembly and disassembly, and when a component of the combined deep groove ball bearing is damaged, the bearing needs to be replaced as a whole, which greatly increases the maintenance cost. The main purpose of the utility model is to provide a combined sealed dustproof deep groove ball bearing.

[0006] The technical solution of the utility model is as follows: a combined sealed dustproof deep groove ball bearing, including a connecting ring, the top and bottom ends of the connecting ring are both provided with an outer ring, the outer ring is fixedly connected with a clamping plate on all sides of a side close to the connecting ring, the inside of the clamping plate is threadedly connected with fixing bolts, both ends of the inside of the connecting ring are provided with clamping grooves used in conjunction with the clamping plate, the clamping grooves are clamped with corresponding clamping plates, the clamping plate and the connecting ring are connected by fixing bolts, a reinforcement mechanism is provided on the outside of the connecting ring, and a sealing mechanism is provided on the outside of the connecting ring.

[0007] By adopting the above technical solution and through the convenient disassembly arrangement between the connecting ring and the outer ring, it is convenient for the staff to replace and maintain a damaged part of the combined sealed dustproof deep groove ball bearing.

[0008] As a preferred implementation, the reinforcement mechanism includes an iron ring embedded in the side of the outer ring close to the connecting ring, and the side of the connecting ring close to the outer ring is embedded with a magnetic ring, and the magnetic ring is adsorbed to the corresponding iron ring.

[0009] By adopting the above technical solution, the connecting ring and the outer ring and inner ring can be more tightly connected through the adsorption of the iron ring and the magnetic ring.

[0010] As a preferred embodiment, the sealing mechanism includes an outer sealing groove provided on one side of the connecting ring close to the outer ring, an inner sealing groove provided at the top and bottom ends of the connecting ring and on the inner side of the outer sealing groove, an outer sealing ring fixedly connected to one side of the outer ring close to the connecting ring for use in conjunction with the outer sealing groove, and an inner sealing ring fixedly connected to one side of the outer ring close to the connecting ring for use in conjunction with the inner sealing groove.

[0011] By adopting the above technical solution and using the outer sealing ring in conjunction with the outer sealing groove, the overall sealing performance of the connecting ring and the outer ring can be improved.

[0012] As a preferred embodiment, an outer ring groove is provided inside the outer ring, an oil inlet groove is provided on the inner wall of the outer ring groove, and a dustproof net is provided at the inlet end of the oil inlet groove.

[0013] By adopting the above technical solution and setting the dustproof net, it is possible to reduce the amount of external dust entering the interior of the connecting ring through the oil inlet groove.

[0014] As a preferred embodiment, inner ring grooves are provided at both ends of the connecting ring, and balls are equidistantly arranged inside the inner ring grooves.

[0015] By adopting the above technical solution and setting the inner ring groove, the ball can be placed.

[0016] As a preferred implementation, a one-way valve is provided at the outlet end of the oil inlet groove.

[0017] By adopting the above technical solution, the backflow of the lubricating oil entering the oil inlet groove can be avoided.

[0018] Compared with the prior art, the advantages and positive effects of the utility model are:

[0019] In the utility model, the clamping plate on the outer side of the outer ring is clamped with the clamping groove in the connecting ring, and the outer ring can be fixed with the fixing bolts. The reinforcement mechanism can make the connection between the outer ring and the connecting ring tighter. At the same time, the sealing mechanism can improve the sealing between the connecting ring and the outer ring, reduce the corrosion of the ball by external impurities and dust, and thus improve the service life of the ball. The convenient disassembly setting between the connecting ring and the outer ring also makes it convenient for the staff to replace and maintain a damaged component of the combined sealed dustproof deep groove ball bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0021] Figure 2 It is a bottom view of the utility model;

[0022] Figure 3 For this utility model Figure 1 The enlarged view of point A in the middle;

[0023] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle.

[0024] Legend: 1. Connecting ring; 2. Outer ring; 3. Inner ring groove; 4. Ball; 5. Outer sealing ring; 6. Outer ring groove; 7. Oil inlet groove; 8. Dust screen; 9. Snap-on plate; 10. Outer sealing groove; 11. Snap-on groove; 12. Fixing bolt; 13. Inner sealing groove; 14. Magnetic ring; 15. Inner sealing ring; 16. Iron ring. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0026] Reference Figure 1-4A combined sealed dustproof deep groove ball bearing comprises a connecting ring 1, an outer ring 2 is arranged at the top and the bottom of the connecting ring 1, a clamping plate 9 is fixedly connected to the outer ring 2 on one side close to the connecting ring 1, a fixing bolt 12 is threadedly connected to the inside of the clamping plate 9, clamping grooves 11 for use with the clamping plate 9 are provided at both ends of the inside of the connecting ring 1, the clamping grooves 11 are clamped with the corresponding clamping plates 9, the clamping plates 9 and the connecting ring 1 are connected by fixing bolts 12, a reinforcement mechanism is arranged on the outside of the connecting ring 1, and a sealing mechanism is arranged on the outside of the connecting ring 1.

[0027] When in use, the clamping plate 9 on the outside of the outer ring 2 is clamped with the clamping groove 11 in the connecting ring 1, and the fixing bolts 12 are used to fix the outer ring 2. The reinforcement mechanism can make the connection between the outer ring 2 and the connecting ring 1 tighter. At the same time, the sealing mechanism is set to improve the sealing between the connecting ring 1 and the outer ring 2, and reduce the corrosion of the ball 4 by external impurities and dust, thereby increasing the service life of the ball 4. The convenient disassembly setting between the connecting ring 1 and the outer ring 2 also makes it convenient for the staff to replace and maintain a damaged component of the combined sealed dustproof deep groove ball bearing.

[0028] Reference Figure 3 and Figure 4 The reinforcement mechanism includes an iron ring 16 embedded in the side of the outer ring 2 close to the connecting ring 1. The side of the connecting ring 1 close to the outer ring 2 is embedded with a magnetic ring 14. The magnetic ring 14 is adsorbed with the corresponding iron ring 16. Through the adsorption of the iron ring 16 and the magnetic ring 14, the connection between the connecting ring 1 and the inner ring of the outer ring 2 can be made tighter, and leakage is not easy to occur.

[0029] Reference Figure 3 The sealing mechanism includes an outer sealing groove 10 formed on one side of the connecting ring 1 close to the outer ring 2, an inner sealing groove 13 formed on the top and bottom ends of the connecting ring 1 and on the inner side of the outer sealing groove 10, an outer sealing ring 5 fixedly connected to one side of the outer ring 2 close to the connecting ring 1 for use in conjunction with the outer sealing groove 10, and an inner sealing ring 15 fixedly connected to one side of the outer ring 2 close to the connecting ring 1 for use in conjunction with the inner sealing groove 13.

[0030] When in use, the sealing performance of the inner ring of the connecting ring 1 and the outer ring 2 can be increased by the cooperation of the inner sealing groove 13 and the inner sealing ring 15, and the sealing performance of the outer ring can be increased by the cooperation of the outer sealing ring 5 and the outer sealing groove 10, thereby improving the overall sealing performance of the connecting ring 1 and the outer ring 2.

[0031] Reference Figure 1An outer ring groove 6 is provided inside the outer ring 2, an oil inlet groove 7 is provided on the inner wall of the outer ring groove 6, and a dustproof net 8 is provided at the inlet end of the oil inlet groove 7. The setting of the oil inlet groove 7 allows the staff to pour the lubricating oil into the inner ring groove 3, and the setting of the dustproof net 8 reduces the external dust from entering the interior of the connecting ring 1 through the oil inlet groove 7.

[0032] Reference Figure 1 Inner ring grooves 3 are provided at both ends of the connecting ring 1, and balls 4 are arranged equidistantly inside the inner ring grooves 3, so that the balls 4 can be placed.

[0033] Reference Figure 1 A one-way valve is provided at the outlet end of the oil inlet groove 7 to prevent the lubricating oil entering the oil inlet groove 7 from flowing back.

[0034] Working principle: The clamping plate 9 on the outside of the outer ring 2 is clamped with the clamping groove 11 in the connecting ring 1, and the fixing bolts 12 are used to fix the outer ring 2. The reinforcement mechanism can make the connection between the outer ring 2 and the connecting ring 1 tighter. At the same time, the inner sealing groove 13 and the inner sealing ring 15 are used in conjunction with each other to increase the sealing performance of the connecting ring 1 and the inner ring of the outer ring 2. The outer sealing ring 5 and the outer sealing groove 10 are used in conjunction with each other to increase the sealing performance of the outer ring, thereby improving the overall sealing performance of the connecting ring 1 and the outer ring 2, and reducing the corrosion of the ball 4 by external impurities and dust, thereby increasing the service life of the ball 4. The convenient disassembly setting between the connecting ring 1 and the outer ring 2 is also convenient for the staff to replace and maintain a damaged component of the combined sealed dustproof deep groove ball bearing.

[0035] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A combined sealed dustproof deep groove ball bearing, comprising a connecting ring (1), characterized in that: The top and bottom ends of the connecting ring (1) are both provided with an outer ring (2); a clamping plate (9) is fixedly connected to the outer ring (2) on one side close to the connecting ring (1); the inside of the clamping plate (9) is threadedly connected with a fixing bolt (12); both ends of the inside of the connecting ring (1) are provided with a clamping groove (11) for use with the clamping plate (9); the clamping groove (11) is clamped with the corresponding clamping plate (9); the clamping plate (9) and the connecting ring (1) are connected via the fixing bolt (12); a reinforcement mechanism is provided on the outside of the connecting ring (1); and a sealing mechanism is provided on the outside of the connecting ring (1).

2. A combined sealed dustproof deep groove ball bearing according to claim 1, characterized in that: The reinforcing mechanism comprises an iron ring (16) embedded in a side of the outer ring (2) close to the connecting ring (1), and a magnetic ring (14) is embedded in a side of the connecting ring (1) close to the outer ring (2), and the magnetic ring (14) is attracted to the corresponding iron ring (16).

3. The combined sealed dustproof deep groove ball bearing according to claim 1, characterized in that: The sealing mechanism comprises an outer sealing groove (10) provided on one side of the connecting ring (1) close to the outer ring (2), an inner sealing groove (13) provided at the top and bottom ends of the connecting ring (1) and located inside the outer sealing groove (10), an outer sealing ring (5) fixedly connected to one side of the outer ring (2) close to the connecting ring (1) and used in conjunction with the outer sealing groove (10), and an inner sealing ring (15) fixedly connected to one side of the outer ring (2) close to the connecting ring (1) and used in conjunction with the inner sealing groove (13).

4. The combined sealed dustproof deep groove ball bearing according to claim 1, characterized in that: An outer ring groove (6) is provided inside the outer ring (2), an oil inlet groove (7) is provided on the inner wall of the outer ring groove (6), and a dustproof net (8) is provided at the inlet end of the oil inlet groove (7).

5. The combined sealed dustproof deep groove ball bearing according to claim 1, characterized in that: Inner ring grooves (3) are provided at both ends of the connection ring (1), and balls (4) are arranged at equal intervals inside the inner ring groove (3).

6. The combined sealed dustproof deep groove ball bearing according to claim 4, characterized in that: A one-way valve is provided at the outlet end of the oil inlet groove (7).

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