High-sealing type bearing structure

Abstract

The utility model relates to the technical field of special bearings, in particular to a high-sealing type bearing structure. The technical problems that according to a common bearing structure, a large gap exists between an inner part and an outer part, a reliable sealing structure is lacked, the sealing effect is ordinary, dust and other impurities easily enter the interior in the working process, and rotation resistance is increased are solved. According to the technical scheme, the high-sealing type bearing structure comprises a bearing outer ring. Through the arrangement of the first sealing assembly and the second sealing assembly, dust and other sundries are prevented from entering the inner part in the working process, and the rotation resistance is increased, meanwhile, the outer sealing ring can further enhance the sealing effect, and the first inner sealing ring and the second inner sealing ring can further enhance the external sealing effect; the problems that a common bearing structure has a large gap between inner and outer parts and lacks a reliable sealing structure, so that the sealing effect is ordinary, dust and other impurities easily enter the interior in the working process, and the rotation resistance is increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of special bearings, in particular to a high-sealing bearing structure. Background Art

[0002] Bearings are common components in mechanical equipment. They ensure the normal operation of mechanical equipment by reducing friction, transferring loads, positioning and absorbing vibrations. They are widely used in industrial production, transportation, aerospace and other fields. With the continuous development of technology, the types and performance of bearings are also constantly improving, among which high sealing is one of the important development directions.

[0003] Common bearing structures have large gaps between internal and external parts and lack reliable sealing structures, resulting in mediocre sealing effects. During operation, dust and other debris can easily enter the interior, increasing rotational resistance.

[0004] Therefore, the above-mentioned bearing structure lacks a reliable sealing structure, resulting in a general sealing effect. During operation, dust and other debris can easily enter the interior, increasing the rotational resistance. This problem needs to be solved urgently to improve the usage scenario. Utility Model Content

[0005] A highly sealed bearing structure comprises a bearing outer ring, sealing grooves are provided at the top and bottom of the bearing outer ring near the edge, a first connecting ring is connected to the upper end of the bearing outer ring, a first inner ring is arranged at the bottom of the first connecting ring, a first sealing assembly is installed on the outer side of the upper end of the first inner ring, a plurality of threaded sleeves are evenly arranged at the edge of the bottom of the first inner ring, a second inner ring is connected to the lower end of the first inner ring, a plurality of balls are arranged between the outer sides of the first inner ring and the second inner ring and the inner wall of the bearing outer ring, a second sealing assembly is connected to the outer side of the lower end of the second inner ring, and a second connecting ring is installed on the bottom of the second inner ring.

[0006] Preferably, by setting up a first sealing component and a second sealing component, dust and other debris can be prevented from entering the interior during operation to increase the rotational resistance, so as to solve the problem that a common bearing structure has a large gap between the inner and outer parts and lacks a reliable sealing structure, resulting in a general sealing effect, and dust and other debris can easily enter the interior during operation to increase the rotational resistance.

[0007] Preferably, the first sealing assembly includes a first fixing ring and a first sealing rubber ring; the first fixing ring is installed on the outer side of the upper end of the first inner ring, and the first sealing rubber ring is arranged in the middle position of the outer side of the first fixing ring to achieve a sealing effect.

[0008] Preferably, the second sealing assembly includes a second fixing ring and a second sealing rubber ring; a second fixing ring is connected to the outer side of the lower end of the second inner ring, and a second sealing rubber ring is installed in the middle position of the outer side of the second fixing ring, which can further enhance the sealing effect and prevent dust and other debris from entering the interior during operation and increasing the rotational resistance.

[0009] Preferably, outer sealing rings are provided at the upper and lower edge positions of the outer ring of the bearing, and the inner wall of the outer sealing ring fits with the outer edges of the first connecting ring and the second connecting ring, which can further enhance the sealing effect.

[0010] Preferably, a positioning groove is provided at the upper end of the second inner ring at a position corresponding to the threaded sleeve, and the threaded sleeve is connected and fixed to the second connecting ring by screws to facilitate docking installation.

[0011] Preferably, a first inner sealing ring is provided at the bottom edge of the first connecting ring, and the first inner sealing ring is slidably connected to the sealing groove at the top of the bearing outer ring, which can enhance the external sealing effect.

[0012] Preferably, a second inner sealing ring is installed at the top edge of the second connecting ring, and the second inner sealing ring is slidably connected to the sealing groove at the bottom of the bearing outer ring, which can further enhance the external sealing effect.

[0013] Beneficial effects of the utility model:

[0014] 1. The first sealing assembly and the second sealing assembly are provided to prevent dust and other debris from entering the interior during operation, thereby increasing the rotation resistance. At the same time, the outer sealing ring can further enhance the sealing effect, and the first inner sealing ring and the second inner sealing ring can further enhance the external sealing effect, thereby solving the common bearing structure, where there is a large gap between the inner and outer parts, and a lack of a reliable sealing structure, resulting in a general sealing effect, and dust and other debris can easily enter the interior during operation, thereby increasing the rotation resistance.

[0015] 2. A first sealing rubber ring is arranged in the middle position of the outer side of the first fixing ring, which can play a sealing effect. A second sealing rubber ring is installed in the middle position of the outer side of the second fixing ring, which can further enhance the sealing effect and prevent dust and other debris from entering the interior during operation and increasing the rotation resistance. Outer sealing rings are arranged at the upper and lower edge positions of the outer ring of the bearing, and the inner wall of the outer sealing ring is fitted with the outer edges of the first connecting ring and the second connecting ring, which can further enhance the sealing effect. The first inner sealing ring is slidably connected to the sealing groove at the top of the outer ring of the bearing, which can enhance the external sealing effect. The second inner sealing ring is slidably connected to the sealing groove at the bottom of the outer ring of the bearing, which can further enhance the external sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is an exploded schematic diagram of a high-sealed bearing structure of the utility model;

[0017] Figure 2 What is shown is a three-dimensional schematic diagram of a high-sealing bearing structure of the utility model;

[0018] Figure 3 Shown is a schematic diagram of the first inner ring installation structure of a high-sealing bearing structure of the utility model;

[0019] Figure 4 What is shown is a schematic diagram of the second inner ring installation structure of a high-sealing bearing structure of the utility model.

[0020] In the figure: 1. bearing outer ring; 2. sealing groove; 3. first connecting ring; 4. first inner ring; 5. first sealing assembly; 6. threaded sleeve; 7. second inner ring; 8. ball; 9. second sealing assembly; 10. second connecting ring; 11. outer sealing ring; 12. positioning groove; 13. screw; 14. first inner sealing ring; 15. second inner sealing ring; 501. first fixing ring; 502. first sealing rubber ring; 901. second fixing ring; 902. second sealing rubber ring. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-2 The utility model provides an embodiment: a high-sealing bearing structure, comprising a bearing outer ring 1, a sealing groove 2 is provided at the top and bottom of the bearing outer ring 1 near the edge, a first connecting ring 3 is connected to the upper end of the bearing outer ring 1, a first inner ring 4 is provided at the bottom of the first connecting ring 3, a first sealing assembly 5 is installed on the outer side of the upper end of the first inner ring 4, a plurality of threaded sleeves 6 are evenly provided at the edge of the bottom of the first inner ring 4, a second inner ring 7 is connected to the lower end of the first inner ring 4, a plurality of balls 8 are provided between the outer sides of the first inner ring 4 and the second inner ring 7 and the inner wall of the bearing outer ring 1, a second sealing assembly 9 is connected to the outer side of the lower end of the second inner ring 7, a second connecting ring 10 is installed at the bottom of the second inner ring 7, an outer sealing ring 11 is provided at the upper and lower edge positions of the bearing outer ring 1, the inner wall of the outer sealing ring 11 is fitted with the outer edges of the first connecting ring 3 and the second connecting ring 10, which can further enhance the sealing effect, a positioning groove 12 is provided at the upper end of the second inner ring 7 at a position corresponding to the threaded sleeve 6, and the threaded sleeve 6 is connected and fixed to the second connecting ring 10 by a screw 13, which is convenient for docking installation.

[0023] See also Figure 3In this embodiment, the first sealing assembly 5 includes a first fixing ring 501 and a first sealing rubber ring 502; the first fixing ring 501 is installed on the outer side of the upper end of the first inner ring 4, and the first sealing rubber ring 502 is arranged at the middle position of the outer side of the first fixing ring 501, which can play a sealing effect, and the first inner sealing ring 14 is arranged at the bottom edge position of the first connecting ring 3. The first inner sealing ring 14 is slidably connected with the sealing groove 2 on the top of the bearing outer ring 1, which can enhance the external sealing effect.

[0024] See also Figure 4 In this embodiment, the second sealing assembly 9 includes a second fixing ring 901 and a second sealing rubber ring 902; the second fixing ring 901 is connected to the outer side of the lower end of the second inner ring 7, and the second sealing rubber ring 902 is installed at the middle position of the outer side of the second fixing ring 901, which can further enhance the sealing effect and prevent dust and other debris from entering the interior during operation and increasing the rotation resistance. A second inner sealing ring 15 is installed at the top edge of the second connecting ring 10, and the second inner sealing ring 15 is slidably connected to the sealing groove 2 at the bottom of the bearing outer ring 1, which can further enhance the external sealing effect.

[0025] During operation, a positioning groove 12 is provided at the upper end of the second inner ring 7 corresponding to the position of the threaded sleeve 6. The threaded sleeve 6 is connected and fixed to the second connecting ring 10 by a screw 13, which is convenient for docking installation. A first sealing rubber ring 502 is provided at the middle position of the outer side of the first fixing ring 501, which can play a sealing effect. A second sealing rubber ring 902 is installed at the middle position of the outer side of the second fixing ring 901, which can further enhance the sealing effect and prevent dust and other debris from entering the interior during operation and increasing the rotation resistance. Outer sealing rings 11 are provided at the upper and lower edge positions of the outer ring 1 of the bearing. The inner wall of the outer sealing ring 11 fits with the outer edges of the first connecting ring 3 and the second connecting ring 10, which can further enhance the sealing effect. The first inner sealing ring 14 is slidably connected to the sealing groove 2 at the top of the bearing outer ring 1, which can enhance the external sealing effect. A second inner sealing ring 15 is installed at the top edge position of the second connecting ring 10, and the second inner sealing ring 15 is slidably connected to the sealing groove 2 at the bottom of the bearing outer ring 1, which can further enhance the external sealing effect.

[0026] Through the above steps, the first sealing component 5 and the second sealing component 9 are set to prevent dust and other debris from entering the interior during operation to increase the rotational resistance. At the same time, the outer sealing ring 11 can further enhance the sealing effect, and the first inner sealing ring 14 and the second inner sealing ring 15 can further enhance the external sealing effect to solve the common bearing structure, the existence of a large gap between the inner and outer parts, the lack of a reliable sealing structure, resulting in a general sealing effect, dust and other debris easily entering the interior during operation, and increasing the rotational resistance.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A highly sealed bearing structure, comprising a bearing outer ring (1), characterized in that: The top and bottom of the bearing outer ring (1) are provided with sealing grooves (2) near the edge. The upper end of the bearing outer ring (1) is connected to a first connecting ring (3). The bottom of the first connecting ring (3) is provided with a first inner ring (4). A first sealing assembly (5) is installed on the outer side of the upper end of the first inner ring (4). A plurality of threaded sleeves (6) are evenly arranged at the bottom edge of the first inner ring (4). The lower end of the first inner ring (4) is connected to a second inner ring (7). A plurality of balls (8) are arranged between the outer sides of the first inner ring (4) and the second inner ring (7) and the inner wall of the bearing outer ring (1). A second sealing assembly (9) is connected to the outer side of the lower end of the second inner ring (7). A second connecting ring (10) is installed on the bottom of the second inner ring (7).

2. A highly sealed bearing structure according to claim 1, characterized in that: The first sealing assembly (5) comprises a first fixing ring (501) and a first sealing rubber ring (502); the first fixing ring (501) is installed on the outer side of the upper end of the first inner ring (4), and the first sealing rubber ring (502) is arranged in the middle position of the outer side of the first fixing ring (501).

3. A highly sealed bearing structure according to claim 1, characterized in that: The second sealing assembly (9) comprises a second fixing ring (901) and a second sealing rubber ring (902); the second fixing ring (901) is connected to the outer side of the lower end of the second inner ring (7), and the second sealing rubber ring (902) is installed in the middle position of the outer side of the second fixing ring (901).

4. A highly sealed bearing structure according to claim 1, characterized in that: External sealing rings (11) are provided at the upper and lower edge positions of the bearing outer ring (1), and the inner wall of the external sealing ring (11) is in contact with the outer edges of the first connecting ring (3) and the second connecting ring (10).

5. A highly sealed bearing structure according to claim 1, characterized in that: A positioning groove (12) is provided at the upper end of the second inner ring (7) at a position corresponding to the threaded sleeve (6), and the threaded sleeve (6) is connected and fixed to the second connecting ring (10) by means of a screw (13).

6. A highly sealed bearing structure according to claim 1, characterized in that: A first inner sealing ring (14) is arranged at the bottom edge of the first connecting ring (3), and the first inner sealing ring (14) is slidably connected to the sealing groove (2) at the top of the bearing outer ring (1).

7. A highly sealed bearing structure according to claim 1, characterized in that: A second inner sealing ring (15) is installed at the top edge of the second connecting ring (10), and the second inner sealing ring (15) is slidably connected to the sealing groove (2) at the bottom of the bearing outer ring (1).

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