CN219570638U

CN219570638U - Double-layer sealing bearing

Info

Publication number: CN219570638U
Application number: CN202320672477.9U
Authority: CN
Inventors: 赵霞; 许锋
Original assignee: Yancheng Gelida Machinery Co ltd
Current assignee: Yancheng Gelida Machinery Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-22
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a double-layer sealed bearing, which comprises: the bearing comprises a bearing outer ring, wherein a retainer is arranged in the bearing outer ring, a bearing inner ring is arranged in the retainer, and end sealing plates are arranged on the front surface and the back surface of the bearing inner ring; one side of tip shrouding is connected with the shutoff ring, the guiding gutter that is used for cutting off the air current has been seted up to one side of shutoff ring, just the homonymy equidistance of tip shrouding is connected with a plurality of connection posts of inserting, the installation screw hole has been seted up to the one end of connecting the post of inserting, the homonymy of tip shrouding still is connected with the grease nipple. According to the double-layer sealed bearing, lubricating oil is injected through the oil injection hole, and then the oil injection hole is sealed through the sealing head, so that the condition of lubricating oil leakage is avoided; meanwhile, the end sealing plate seals a gap between the bearing outer ring and the bearing inner ring, so that external water vapor and dust are prevented from entering the gap, the movement of the spherical roller is influenced, and the use safety of the bearing is ensured.

Description

Double-layer sealing bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a double-layer sealing bearing.

Background

In the prior art, the ball bearing is one of rolling bearings, and spherical alloy steel balls are arranged between an inner steel ring and an outer steel ring, so that friction force in the power transmission process is reduced and mechanical power transmission efficiency is improved in a rolling mode.

When the rolling bearing is installed on equipment, the conditions of soil and water inlet often occur due to larger gaps in the middle, and the service lives of the bearing and the equipment of the practical bearing are affected seriously.

Through retrieval, the patent with the Chinese patent application number of 202021984696.3 discloses a double-layer sealed ball bearing, which comprises an outer steel ring body and an inner steel ring body, wherein a plurality of first grooves are uniformly formed in the inner side of the outer steel ring body, a plurality of second grooves are formed in the outer side of the inner steel ring body and correspond to the first grooves, a ball body is connected between the first grooves and the second grooves in a rolling manner, a retainer is connected to the outer side of the ball body, an automatic oiling device is arranged on the outer side of the retainer, and sealing rings are clamped on two sides of the outer steel ring body; the ball body rolls in outer steel ring body and interior steel ring body, and first recess and second recess make the ball body can not roll off, and the protection is prescribe a limit to the ball body to the keeper, makes ball body atress more even, and automatic oiling ware is the ball body and oils automatically, and the sealing washer seals inside.

The above patent suffers from the following disadvantages: the device utilizes the clamping connection of the clamping block and the clamping groove to install the sealing ring on the side surface of the outer steel ring body, so that the gap between the outer steel ring body and the inner steel ring body is closed, and the conditions of soil and water inlet in the working process are avoided; but in the in-service use, the sealing washer is directly link up to the oil filler point, and the oil filler point sets up a plurality ofly, and every oil filler point is inside all to install the dust plug, and too much oil filler point can lead to the sealing washer to appear leaking oil, intaking, advance the possibility greatly increased of soil, reduction safety in utilization.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a double-layer sealing bearing.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a double seal bearing comprising:

the bearing comprises a bearing outer ring, wherein a retainer is arranged in the bearing outer ring, a bearing inner ring is arranged in the retainer, and end sealing plates are arranged on the front surface and the back surface of the bearing inner ring;

one side of tip shrouding is connected with the shutoff ring, the guiding gutter that is used for cutting off the air current has been seted up to one side of shutoff ring, just the homonymy equidistance of tip shrouding is connected with a plurality of connection posts of inserting, the installation screw hole has been seted up to the one end of connecting the post of inserting, the homonymy of tip shrouding still is connected with the oil filler neck, the oil filler point has been seted up to the one end of oil filler neck.

As still further aspects of the utility model: a plurality of mounting grooves are formed in the other side of the end sealing plate at equal intervals, and the mounting grooves are correspondingly communicated with the mounting threaded holes.

As still further aspects of the utility model: the connecting bolt is installed in the internal thread of the installation threaded hole, and a fixing nut is installed at one end of the connecting bolt in a threaded mode.

As still further aspects of the utility model: the mounting hole is formed in the other side of the end sealing plate, the mounting hole is communicated with the oil filling hole, and the blocking head is mounted in the inner thread of the mounting hole.

As still further aspects of the utility model: the bearing comprises a bearing outer ring, wherein the front surface and the back surface of the bearing outer ring are respectively provided with an adaptive annular groove, the inner wall of the bearing outer ring is provided with two heat dissipation grooves, and a first track groove is arranged between the two heat dissipation grooves.

As still further aspects of the utility model: the outer wall of the bearing inner ring is provided with a second track groove, the front surface and the back surface of the bearing inner ring are both provided with sealing grooves, and the front surface of the bearing inner ring is provided with a connecting slot.

As still further aspects of the utility model: the front of the retainer is provided with a plurality of oil inlet through holes at equal intervals, and the interior of the retainer is provided with a plurality of heat dissipation ring grooves at equal intervals.

As still further aspects of the utility model: a plurality of roller locating holes are formed in the outer wall of the retainer at equal intervals, and spherical rollers are arranged in the roller locating holes.

Compared with the prior art, the utility model provides a double-layer sealed bearing, which has the following beneficial effects:

according to the double-layer sealed bearing, lubricating oil is injected through the oil injection hole, and then the oil injection hole is sealed through the sealing head, so that the condition of lubricating oil leakage is avoided; meanwhile, the end sealing plate seals a gap between the bearing outer ring and the bearing inner ring, so that external water vapor and dust are prevented from entering the gap, the movement of the spherical roller is influenced, and the use safety of the bearing is ensured.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

FIG. 1 is a schematic view of the overall assembly of the present utility model;

FIG. 2 is a schematic view of the structure of the uninstalled end closure plate of the present utility model;

FIG. 3 is a schematic view of the structure of the bearing outer race of the present utility model;

FIG. 4 is a schematic view of the structure of the cage of the present utility model;

FIG. 5 is a schematic view of the structure of the bearing inner ring according to the present utility model;

fig. 6 is a schematic view of the end closure plate of the present utility model.

In the figure: 1. a bearing outer ring; 2. a bearing inner ring; 3. an end sealing plate; 4. a mounting groove; 5. a connecting bolt; 6. a fixing nut; 7. a blocking head; 8. a retainer; 9. a spherical roller; 10. the ring groove is adapted; 11. a first track groove; 12. a heat sink; 13. an oil inlet through hole; 14. a roller positioning hole; 15. a heat dissipation ring groove; 16. a second track groove; 17. sealing grooves; 18. a connection slot; 19. a plugging ring; 20. a diversion trench; 21. connecting the inserted columns; 22. installing a threaded hole; 23. an oil filling nozzle; 24. and an oil filling hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

A double seal bearing, as shown in fig. 1-6, comprising:

the bearing outer ring 1, the inside of bearing outer ring 1 is provided with the holder 8, and a plurality of roller locating holes 14 have been seted up to the outer wall equidistance of holder 8, and the inside of roller locating hole 14 is provided with spherical roller 9, and spherical roller 9 and roller locating hole 14 set up to clearance fit, both can accomplish the location of spherical roller 9, reduce the friction between holder 8 and the spherical roller 9 again.

The inside of holder 8 is provided with bearing inner race 2, spherical roller 9 and bearing inner race 1's inner wall and bearing inner race 2's outer wall laminating and rolling contact, and tip shrouding 3 is all installed on bearing inner race 2 front and back two sides, and tip shrouding 3 follows bearing inner race 2 and move for shutoff bearing inner race 1 and the clearance between the bearing inner race 2 avoid external influence to spherical roller 9.

The front surface and the back surface of the bearing outer ring 1 are provided with the adaptive annular grooves 10, the inner wall of the bearing outer ring 1 is provided with the two radiating grooves 12, the radiating grooves 12 are used for assisting the spherical rollers 9 to radiate heat, the lubricating oil content between the bearing outer ring 1 and the bearing inner ring 2 is increased, the radiating effect of the spherical rollers 9 is improved, the friction force of the spherical rollers 9 in movement is reduced, the first track groove 11 is arranged between the two radiating grooves 12, and the spherical rollers 9 are tangential to the inner wall of the first track groove 11.

The outer wall of the bearing inner ring 2 is provided with a second track groove 16, the spherical roller 9 is tangent to the inner wall of the second track groove 16, the front surface and the back surface of the bearing inner ring 2 are provided with sealing grooves 17, sealing rubber rings are arranged in the sealing grooves 17, the tightness between the end sealing plate 3 and the bearing inner ring 2 is improved, the front surface of the bearing inner ring 2 is provided with connecting slots 18, and the connecting slots 18 penetrate through the bearing inner ring 2.

The front of the retainer 8 is provided with a plurality of oil inlet through holes 13 at equal intervals, part of the oil inlet through holes 13 are communicated with the roller positioning holes 14, the interior of the retainer 8 is provided with a plurality of heat dissipation ring grooves 15 at equal intervals, the plurality of heat dissipation ring grooves 15 are communicated with the oil inlet through holes 13 and the roller positioning holes 14, the usage amount of lubricating oil can be increased, the heat dissipation effect of the spherical roller 9 is improved, and the friction force of the spherical roller 9 in movement is reduced.

One side of the end sealing plate 3 is connected with a plugging ring 19, the plugging ring 19 is rotatably arranged inside the adaptation annular groove 10, the plugging ring 19 and the adaptation annular groove 10 are in clearance fit, and the fact that the plugging ring 19 and the inner wall of the adaptation annular groove 10 generate large friction force to influence the use of the bearing outer ring 1 is avoided.

One side of the plugging ring 19 is provided with a diversion trench 20 for isolating air flow, and the diversion trench 20 increases the gap between the connecting surface of the plugging ring 19 and the adaptive ring groove 10, so that the air flow is mainly concentrated in the diversion trench 20, and the air flow is prevented from entering between the bearing outer ring 1 and the bearing inner ring 2, and adverse effect is caused on the spherical roller 9.

The same side equidistance welding of tip shrouding 3 has a plurality of connection inserted posts 21, and a plurality of connection inserted posts 21 peg graft respectively in a plurality of connection slots 18, and the connection inserted posts 21 one-to-one of two tip shrouding 3, the installation screw hole 22 has been seted up to the one end of connection inserted post 21.

A plurality of mounting grooves 4 are equidistantly formed in the other side of the end sealing plate 3, and the mounting grooves 4 are correspondingly communicated with the mounting threaded holes 22.

The connecting bolt 5 is installed to the internal thread of installation screw hole 22, and connecting bolt 5 passes installation screw hole 22, makes two tip shrouding 3 connection, and fixation nut 6 is installed to the one end screw thread of connecting bolt 5, and fixation nut 6 installs inside mounting groove 4, strengthens the stability of connecting bolt 5.

The same side of the end sealing plate 3 is also connected with an oil filling nozzle 23, the oil filling nozzle 23 corresponds to a gap between the bearing outer ring 1 and the bearing inner ring 2, one end of the oil filling nozzle 23 is provided with an oil filling hole 24, and lubricating oil is filled between the bearing outer ring 1 and the bearing inner ring 2 through the oil filling hole 24.

The mounting hole has been seted up to the opposite side of tip shrouding 3, and the mounting hole link up with oil filler point 24, and the internal thread of mounting hole installs shutoff head 7, and one side of shutoff head 7 is connected with the rubber buffer, and the rubber buffer is used for shutoff oil filler point 24, protects the rubber buffer through shutoff head 7, guarantees the long-term use of rubber buffer.

Working principle:

referring to fig. 1 to 6, the respective members are assembled as shown in fig. 1;

when the device is used, lubricating oil is injected through the oil injection hole 24, and then the oil injection hole 24 is sealed through the sealing plug 7, so that the condition of lubricating oil leakage is avoided; meanwhile, the end sealing plate 3 seals a gap between the bearing outer ring 1 and the bearing inner ring 2, so that external water vapor and dust are prevented from entering the gap, the movement of the spherical roller 9 is influenced, and the use safety of the bearing is ensured.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A double-layer sealed bearing, comprising:

the bearing comprises a bearing outer ring (1), wherein a retainer (8) is arranged in the bearing outer ring (1), a bearing inner ring (2) is arranged in the retainer (8), and end sealing plates (3) are arranged on the front surface and the back surface of the bearing inner ring (2);

one side of tip shrouding (3) is connected with shutoff ring (19), guiding gutter (20) that are used for cutting off the air current have been seted up to one side of shutoff ring (19), just the homonymy equidistance of tip shrouding (3) is connected with a plurality of connection inserted posts (21), installation screw hole (22) have been seted up to the one end of connecting inserted post (21), the homonymy of tip shrouding (3) still is connected with grease nipple (23), grease nipple (24) have been seted up to the one end of grease nipple (23).

2. A double seal bearing according to claim 1, wherein: a plurality of mounting grooves (4) are formed in the other side of the end sealing plate (3) at equal intervals, and the mounting grooves (4) are correspondingly communicated with the mounting threaded holes (22).

3. A double seal bearing according to claim 2, wherein: the connecting bolt (5) is installed in the internal thread of the installation threaded hole (22), and the fixing nut (6) is installed in one end thread of the connecting bolt (5).

4. A double seal bearing according to claim 1, wherein: the other side of the end sealing plate (3) is provided with a mounting hole which is communicated with the oil filling hole (24), and a blocking head (7) is arranged in the mounting hole in a threaded manner.

5. A double seal bearing according to claim 1, wherein: the bearing outer ring (1) is characterized in that the front surface and the back surface of the bearing outer ring (1) are provided with the adaptive ring grooves (10), the inner wall of the bearing outer ring (1) is provided with two heat dissipation grooves (12), and a track groove I (11) is arranged between the two heat dissipation grooves (12).

6. A double seal bearing according to claim 1, wherein: track grooves II (16) are formed in the outer wall of the bearing inner ring (2), sealing grooves (17) are formed in the front surface and the back surface of the bearing inner ring (2), and connecting slots (18) are formed in the front surface of the bearing inner ring (2).

7. A double seal bearing according to claim 1, wherein: the front of the retainer (8) is provided with a plurality of oil inlet through holes (13) at equal intervals, and the interior of the retainer (8) is provided with a plurality of heat dissipation ring grooves (15) at equal intervals.

8. A double seal bearing according to claim 1, wherein: a plurality of roller positioning holes (14) are formed in the outer wall of the retainer (8) at equal intervals, and spherical rollers (9) are arranged in the roller positioning holes (14).