US 12,078,209 B2
Deep groove ball bearing
Xuefeng Bai, Wenzhou (CN); and Jialiang Xu, Wenzhou (CN)
Assigned to C&U COMPANY LIMITED., Wenzhou (CN)
Appl. No. 18/284,309
Filed by C&U COMPANY LIMITED., Wenzhou (CN)
PCT Filed Sep. 16, 2021, PCT No. PCT/CN2021/118717
§ 371(c)(1), (2) Date Sep. 27, 2023,
PCT Pub. No. WO2023/272952, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 202110734599.1 (CN), filed on Jun. 30, 2021.
Prior Publication US 2024/0084852 A1, Mar. 14, 2024
Int. Cl. F16C 33/38 (2006.01); F16C 33/58 (2006.01)
CPC F16C 33/3812 (2013.01) [F16C 33/3881 (2013.01); F16C 33/583 (2013.01); F16C 2226/70 (2013.01)] 3 Claims
OG exemplary drawing
 
1. A deep groove ball bearing, comprising an outer ring, an inner ring, a retainer, and steel balls, wherein the retainer is disposed between the outer ring and the inner ring, sockets are disposed on the retainer, and the steel balls are disposed in the sockets, the retainer is formed by two retainer bodies, wherein the two retainer bodies are separated from each other, a plurality of grooves are formed in each of the two retainer bodies at intervals, the plurality grooves in one retainer body are combined with the plurality grooves in the other retainer body to form the sockets, each retainer body is provided with a plurality of sub-connectors, wherein the plurality of sub-connectors are separated from each other, a first connecting block and a second connecting block are formed at two ends of each sub-connector respectively, adjacent grooves are formed in each sub-connector, a positioning table is disposed between the adjacent grooves in each sub-connector, the first connecting block on each of the sub-connectors is inserted into and matched with the second connecting block in an adjacent sub-connector, a connecting arm is disposed on the positioning table and the connecting arm comprises two elastic grippers, wherein the two elastic grippers each respectively penetrate through a connecting hole formed in the first connecting block and the second connecting block to fixedly connect the two retainer bodies, each gripper has a first end connected to the corresponding positioning table as well as a second end provided with a hook, and a first insertion protrusion is formed on the first connecting block, a second insertion protrusion is formed on the second connecting block, the first insertion protrusion is staggered with the second insertion protrusion, a first insertion slot is formed in a position, corresponding to the second insertion protrusion, on the first connecting block, the second insertion protrusion is inserted into and matched with the first insertion slot, the connecting hole formed in the first connecting block penetrates through the first insertion slot, and holes allowing the elastic grippers to penetrate through are formed in the first insertion protrusion and the second insertion protrusion.