Combined angular contact bearing

Abstract

The utility model provides a combined angular contact bearing, and belongs to the technical field of bearings. The problems that an existing angular contact bearing is inconvenient to disassemble and assemble, and abrasion is inconsistent during combined use are solved. The combined type angular contact bearing comprises a bearing A and a bearing B, symmetrical inner rings are arranged on the bearing A and the bearing B, an outer ring A and an outer ring B are arranged on the bearing A and the bearing B respectively, the outer ring A abuts against the outer ring of the outer ring B, connecting tile rings playing a connecting role are arranged on the inner rings of the bearing A and the bearing B, elastic bearing bushes are symmetrically arranged on the connecting tile rings, and the elastic bearing bushes are arranged on the elastic bearing bushes. The connecting bush ring is used for connecting inner rings of the bearing A and the bearing B, embedding teeth are arranged at the two ends of the outer wall of the elastic bearing bush, clamping grooves for clamping the embedding teeth are formed in the inner rings, a covering part is arranged on the outer ring B, an oil storage cavity and an oil passing hole are formed between the outer ring A and the outer ring B, and an oil dripping unit is arranged on the oil passing hole.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing technical field relates to a kind of angular contact bearings, in particular to a kind of combined angular contact bearings. BACKGROUND

[0002] Angular contact bearing is a kind of rolling bearing that can bear radial and axial load simultaneously, suitable for high speed and high precision occasions, the main reason for the pair of angular contact bearings is to balance the axial load and improve the overall performance of bearing system. Single angular contact bearing can only bear one-way axial load, but in actual application, the equipment often needs to bear bidirectional axial force or complex load conditions. By pairing installation (such as back to back, face to face or series arrangement), the load can be effectively shared, the rigidity and stability of the bearing can be enhanced, and the deformation or wear caused by uneven stress of the bearing can be reduced.

[0003] When the conventional angular contact bearing is used in pairs, two sets of bearings are directly arranged oppositely, which makes disassembly and assembly complex, and since the inner and outer rings of the two bearings are installed respectively, the consumption of lubricating oil in the bearing is not the same, which easily causes uneven wear of the bearing balls, affecting the service life and precision of the bearing. SUMMARY

[0004] The utility model aims at the above problems existing in prior art, provide a kind of combined angular contact bearings of maintenance is easy.

[0005] The utility model discloses a kind of combined angular contact bearings, it is characterized by including bearing A and bearing B, the bearing A and bearing B are equipped with symmetric inner ring, the bearing A and bearing B are respectively equipped with outer ring A and outer ring B, and the outer ring A and outer ring B are arranged, located the inner ring of bearing A and bearing B is equipped with the connecting function connecting tile, the connecting tile is equipped with the symmetric elastic bearing bushing being set, connecting tile is used to connect the inner ring of bearing A and bearing B, the elastic bearing bushing outer wall both ends are equipped with inlay tooth, the inner ring is equipped with the clamping groove of clamping inlay tooth, the outer ring B is equipped with covering portion, located the oil storage cavity and oil passing hole between outer ring A and outer ring B, the oil passing hole is equipped with oil dripping unit.

[0006] In the above-mentioned combined angular contact bearing, the oil dripping unit is equipped with an oil dripping cap, the oil dripping cap is equipped with a supporting spring at the top, a guide groove is arranged between the inner rings, a contact is arranged on the elastic bearing bushing, and the contact is arranged in the guide groove.

[0007] In the above-mentioned combined angular contact bearing, the outer ring B4 is equipped with a spring positioning block.

[0008] In the combined angular contact bearing, the outer ring B4 is provided with a plurality of mounting holes, and the mounting holes are provided with connecting bolts, and the bottom of the connecting bolt is connected and fixed with the outer ring A5.

[0009] In the combined angular contact bearing, the connecting bolt is arranged in the oil storage cavity.

[0010] In the combined angular contact bearing, the elastic bearing bush is provided with a dismounting lug at both ends.

[0011] Compared with the prior art, the combined angular contact bearing is provided with a connecting bearing bush, so that the inner rings of the two bearings keep the same number of revolutions, and the outer rings are connected through the connecting bolts, so as to control the wear of the balls in the two bearings, prevent the precision reduction caused by the excessive wear of the single-side bearing, and the connecting bush ring composed of the two elastic bearing bushes can be conveniently disassembled and maintained, and can also control the lubricating oil into the inner ring of the bearing, prevent the rust of the inner ring, prevent the disassembly difficulty, and the opening and closing frequency of the oil dripping unit is improved with the increase of the rotating speed, so that the bearing can automatically adapt to different working environments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the combined angular contact bearing.

[0013] Figure 2 It is a structural schematic view of the combined angular contact bearing.

[0014] Figure 3 It is a structural schematic view of the inner ring of the combined angular contact bearing.

[0015] Figure 4 It is a structural schematic view of the elastic bearing of the combined angular contact bearing.

[0016] Figure 5 It is a structural schematic view of the combined angular contact bearing.

[0017] In the figure, 1, bearing A; 2, mounting hole; 3, bearing B; 4, outer ring B; 5, outer ring A; 6, elastic bearing bush; 7, connecting bush ring; 8, inner ring; 9, connecting bolt; 10, covering part; 11, oil dripping unit; 12, guide groove; 13, oil storage cavity; 14, oil passing hole; 15, clamping groove; 16, dismounting lug; 17, fitting tooth; 18, spring positioning block; 19, supporting spring; 20, oil dripping cap; 21, contact. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the utility model and is combined with the drawings to further describe the technical scheme of the utility model, but the utility model is not limited to these embodiments.

[0019] AsFigure 1 、 2 , 3, 4, 5, the combination of angular contact bearings, characterized in that, comprising: bearing A1 and bearing B3, bearing A1 and bearing B3 are provided with symmetrical inner ring 8, bearing A1 and bearing B3 are respectively provided with outer ring A5 and outer ring B4, and the outer ring A5 and the outer ring B4 are in contact with each other, the inner ring 8 of bearing A1 and bearing B3 is provided with connecting ring 7, the connecting ring 7 is provided with symmetrical elastic bushing 6, the connecting ring 7 is used for connecting the inner ring 8 of bearing A1 and bearing B3, the elastic bushing 6 is provided with embedded tooth 17 at both ends of the outer wall, the inner ring 8 is provided with clamping groove 15 for clamping the embedded tooth 17, the outer ring B4 is provided with covering part 10, the oil storage cavity 13 and the oil hole 14 are arranged between the outer ring A5 and the outer ring B4, the oil dripping unit 11 is arranged on the oil hole 14, during installation, the embedded tooth 17 at both sides of the elastic bushing 6 connects the bearing A1 and the bearing B3 into an integrated whole, so that the two bearings can keep the same rotation as far as possible, preventing the bearing from loosening and causing excessive wear of the bearing on one side, the connecting ring 7 composed of elastic bushing 6 is convenient to disassemble and assemble, facilitating the subsequent maintenance of the bearing, the inner diameter of the connecting ring 7 is greater than the inner diameter of the bearing inner ring 8, the oil on the bearing can penetrate into the inner ring 8 of the elastic bushing 6, preventing the bearing and the bushing from rusting and causing difficulty in disassembly.

[0020] Preferably, the oil dripping unit 11 is provided with an oil dripping cap 20, the top of the oil dripping cap 20 is provided with a supporting spring 19, a guide groove 12 is arranged between the inner ring 8, a contact 21 is arranged on the elastic bushing 6, the contact 21 is arranged in the guide groove 12, the oil dripping unit 11 continuously supplies oil to the ball, preventing the ball from excessive wear, and the higher the speed, the shorter the gap of the oil dripping unit 11, the more intensive and continuous the oil supply, so that the bearing can better adapt to the high-speed working environment.

[0021] Preferably, the outer ring B4 is provided with a spring positioning block 18, which can limit the spring and prevent the spring from displacing and causing reset failure.

[0022] Preferably, the outer ring B4 is provided with a plurality of mounting holes 2, and the mounting holes 2 are provided with connecting bolts 9, the bottom of the connecting bolt 9 is connected and fixed with the outer ring A5, the two bearings are connected through the connecting bolt 9, so that the inner rings 8 of the two bearings and the outer rings can keep the relative working state as far as possible, thereby controlling the wear of the balls of the bearings on both sides and preventing the bearings on one side from excessive wear and causing precision reduction.

[0023] Preferably, the connecting bolt 9 is arranged in the oil storage cavity 13, and the lubricating oil can be added by removing one connecting bolt 9, thereby reducing the opening of the bearing outer ring and increasing the structural strength of the bearing outer ring.

[0024] Preferably, the elastic bearing bush 6 is provided with a dismounting lug 16 at both ends, which facilitates dismounting of the elastic bearing bush 6, and the dismounting lugs 16 are made of elastic material and are pressed against each other, which effectively prevents falling.

[0025] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or use similar ways to replace them, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

[0026] Although the terms bearing A1, mounting hole 2, bearing B3, outer ring B4, outer ring A5, elastic bearing bush 6, connecting bushing 7, inner ring 8, connecting bolt 9, covering part 10, oil dripping unit 11, guide groove 12, oil storage cavity 13, oil passing hole 14, clamping groove 15, dismounting lug 16, fitting tooth 17, spring positioning block 18, supporting spring 19, oil dripping cap 20, contact 21, etc. are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; any interpretation of them as any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A combination angular contact bearing, characterized by, The utility model relates to a bearing, including bearing A (1) with bearing B (3), bearing A (1) with bearing B (3) are equipped with symmetrical inner race (8), bearing A (1) with bearing B (3) are equipped with outer ring A (5) with outer ring B (4) respectively, and the outer ring A (5) with outer ring B (4) are set up in abutment, be located bearing A (1) with bearing B (3) inner race (8) are equipped with the connecting effect connecting tile ring (7), connecting tile ring (7) are equipped with the elastic bearing bushing (6) of being equipped with the symmetrical setting, connecting tile ring (7) are used for connecting bearing A (1) with bearing B (3) inner race (8), the elastic bearing bushing (6) outer wall both ends are equipped with the inlay tooth (17), the inner race (8) are equipped with the clamping groove (15) of clamping inlay tooth (17), the outer ring B (4) are equipped with the covering portion (10), be located the oil storage cavity (13) with oil hole (14) between outer ring A (5) and outer ring B (4), the oil hole (14) are equipped with the oil dripping unit (11).

2. A combination angular contact bearing according to claim 1, wherein, The oil dripping unit (11) is equipped with the oil dripping cap (20), the oil dripping cap (20) top is equipped with the support spring (19), be located the inner race (8) between the guide slot (12), the elastic bearing bushing (6) is equipped with the contact (21), the contact (21) is placed in guide slot (12).

3. A combination angular contact bearing according to claim 1, wherein, The outer ring B (4) is equipped with spring positioning block (18).

4. The combination angular contact bearing of claim 1, wherein, The outer ring B (4) is equipped with a plurality of mounting holes (2), and the mounting hole (2) is equipped with connecting bolt (9), the connecting bolt (9) bottom and outer ring A (5) are connected fixed.

5. A combination angular contact bearing according to claim 4, wherein, The connecting bolt (9) is placed in the oil storage cavity (13).

6. A combination angular contact bearing according to claim 1, wherein, The elastic bearing bushing (6) both ends are equipped with the dismounting ear (16).

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