Bearing and cage thereof
A technology for cages and bearings, applied to bearing components, shafts and bearings, mechanical equipment, etc., can solve problems such as easy wear and poor lubrication environment, and achieve the effect of improving the lubrication environment
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[0029] First embodiment
[0030] Reference figure 1 , figure 2 As shown, this embodiment provides a bearing and its bearing cage 10, wherein the bearing includes an inner ring 20 and an outer ring 30 coaxially sleeved, and the cage 10 is coaxially arranged on the inner ring 20 and the outer ring 30 Between, used to support the roller 40.
[0031] Combine image 3 As shown, the cage 10 includes a coaxial and face-to-face support ring 11, the support ring 11 is provided with an annular groove 11a coaxially, the opening of the annular groove 11a faces the other support ring 11 in the axial direction, and the two support rings 11 The openings of the middle annular groove 11a are arranged face to face. The annular groove 11a can be used to contain and store lubricant.
[0032] The support ring 11 includes a bottom portion 111 for forming the bottom wall of the annular groove 11a, and side portions 112 respectively located on both radial sides of the bottom portion 111 to form the side ...
Example
[0046] Second embodiment
[0047] The difference between this embodiment and the first embodiment is that the shape of the connecting portion of the support ring 11 is different, so the connection mode between the two support rings 11 is different.
[0048] In this embodiment, such as Image 6 , Figure 7 As shown, the connecting portion is a connecting flange surface 10d provided at the free end of the side portion 112, wherein the connecting flange surface 10d is located between two adjacent pockets 10b. The two support rings 11 are connected to each other through a connecting flange surface 10d. A connecting flange surface 10d can be provided between any two adjacent pockets 10b.
[0049] Wherein, in each support ring 11, the connecting flange surface 10d can be located on the side opposite to each other, or the side opposite to each other. Such as Image 6 , Figure 7 To facilitate processing and installation, the connecting flange surface 10d extends from the side 112 to the s...
Example
[0051] The third embodiment
[0052] In this embodiment, a sealing structure is added to the first embodiment or the second embodiment.
[0053] Reference Figure 8 As shown, one end of the support ring 11 facing away from the other support ring 11 in the axial direction is provided with a first annular flange 113 protruding radially outward, and a second annular flange 114 protruding radially inward. From Figure 8 As can be seen in the cross-sectional schematic diagram in the assembled state shown, the axially outer end (that is, the end facing the outside of the bearing in the axial direction) of each support ring 11 is provided with a first annular flange 113 and a second annular flange. Flange 114.
[0054] Correspondingly, a first annular groove 31 facing the first annular flange 113 is provided on the inner circumferential surface of the outer ring 30 of the bearing, and the first annular flange 113 is received in the first annular groove 31; the inner ring 20 A second ann...
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