Abstract
A deep groove ball bearing includes an outer ring, an inner ring, a cage, and steel balls. The cage is provided between the outer ring and the inner ring. Pockets are formed in the cage, and the steel balls are placed in the pockets. The cage is split into an upper cage body and a lower cage body. Pocket grooves are formed alternately in each of the upper cage body and the lower cage body. A connecting portion is provided between adjacent pocket grooves in the upper cage body. A positioning portion is provided between adjacent pocket grooves in the lower cage body. An insertion piece and an insertion groove are provided between the connecting portion and the positioning portion. The insertion piece and the insertion groove are configured to be fixed with each other to form a fixed connection between the upper cage body and the lower cage body.
Claims
1. A deep groove ball bearing with a cage, comprising an outer ring, an inner ring, the cage, and steel balls, wherein the cage is provided between the outer ring and the inner ring, pockets are formed in the cage, the steel balls are placed in the pockets, the cage is split into an upper cage body and a lower cage body, pocket grooves are formed alternately in each of the upper cage body and the lower cage body, pocket grooves in the upper cage body and the lower cage body are combined correspondingly to form the pockets, a connecting portion is provided between adjacent pocket grooves in the lower cage body, a positioning portion is provided between adjacent pocket grooves in the upper cage body, an insertion piece and an insertion groove are provided between the connecting portion and the positioning portion, the insertion piece and the insertion groove are configured to be fixed with each other to form a fixed connection between the lower cage body and the upper cage body; wherein the insertion groove is formed in the positioning portion of the upper cage body, a bump is provided in the insertion groove, the insertion piece is provided on the connecting portion of the lower cage body, a clamping member is provided on an end portion of the insertion piece, the clamping member is clamped between the bump and a bottom of the insertion groove; wherein the bump is arranged adjacent to an inserting port of the insertion groove; wherein a positioning piece being respectively provided on opposite sides of the insertion piece, each of the positioning pieces being elastic, and an accommodating groove is formed in a position within the insertion groove on opposite sides thereof and corresponding to each of the positioning pieces; wherein the insertion groove communicates with the pocket groove through the accommodating groove, and an oil storage cotton is provided within the accommodating groove.
2. The deep groove ball bearing with the cage according to claim 1, wherein a first connecting step is provided on an inner wall of the outer ring, a second connecting step is provided on an outer wall of the inner ring, and a dust cover is clamped between the first connecting step and the second connecting step.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
(1) FIG. 1 is an exploded perspective view according to a first embodiment of the present disclosure;
(2) FIG. 2 is a structural perspective view of a lower cage body according to a first embodiment of the present disclosure;
(3) FIG. 3 is a structural perspective view of a upper cage body according to a first embodiment of the present disclosure;
(4) FIG. 4 is a exploded perspective view according to a second embodiment of the present disclosure;
(5) FIG. 5 is a structural perspective view of a cage according to a second embodiment of the present disclosure;
(6) FIG. 6 is a structural perspective view of a lower cage body according to a second embodiment of the present disclosure;
(7) FIG. 7 is a partially enlarged view of a pair of connecting arms according to a second embodiment of the present disclosure;
(8) FIG. 8 is a partially enlarged view of a modified pair of connecting arms according to a second embodiment of the present disclosure; and
(9) FIG. 9 is an exploded perspective view according to a second embodiment of the present disclosure.
DETAILED DESCRIPTION OF THE EMBODIMENTS
(10) As shown in FIGS. 1 through 3, according to a first embodiment of the present disclosure, a deep groove ball bearing with a cage includes outer ring 2, inner ring 1, a cage, and steel balls. The cage is provided between the outer ring 2 and the inner ring 1. Pockets are formed in the cage. The steel balls are placed in the pockets. The cage is split into upper cage body 4 and lower cage body 3. Pocket grooves 41 are formed alternately in each of the upper cage body 4 and the lower cage body 3. Pocket grooves 41 in the upper cage body 4 and the lower cage body 3 are combined correspondingly to form the pockets. Connecting portion 42 is provided between adjacent pocket grooves 41 in the lower cage body 3. Positioning portion 31 is provided between adjacent pocket grooves 41 in the upper cage body 4. Insertion piece 43 and insertion groove 32 are provided between the connecting portion 42 and the positioning portion 31. The insertion piece 43 and the insertion groove 32 are configured to be fixed with each other to form a fixed connection between the lower cage body 3 and the upper cage body 4. The insertion groove 32 is formed in the positioning portion 31 of the upper cage body 4. Bump 33 is provided in the insertion groove 32. The insertion piece 43 is provided on the connecting portion 42 of the lower cage body 3. Clamping member 44 is provided on an end portion of the insertion piece 43. The clamping member 44 is clamped between the bump 33 and the bottom of the insertion groove 32. The bump 33 is arranged adjacent to an inserting port of the insertion groove 32. The contact surface of the bump 33 and the clamping member 44 is an arc surface. A first connecting step is provided on the inner wall of the outer ring 2. Second connecting step 11 is provided on the outer wall of the inner ring 1. Dust cover 5 is clamped between the first connecting step and the second connecting step 11.
(11) As shown in FIGS. through 3, according to a first embodiment of the present disclosure, a deep groove ball bearing with a cage includes outer ring 2, inner ring 1, a cage, and steel balls. The cage is provided between the outer ring 2 and the inner ring 1. Pockets are formed in the cage. The steel balls are placed in the pockets. The cage is split into upper cage body 4 and lower cage body 3. Pocket grooves 41 are formed alternately in each of the upper cage body 4 and the lower cage body 3. Pocket grooves 41 in the upper cage body 4 and the lower cage body 3 are combined correspondingly to form the pockets. Connecting portion 42 is provided between adjacent pocket grooves 41 in the lower cage body 3. Positioning portion 31 is provided between adjacent pocket grooves 41 in the upper cage body 4. Insertion piece 43 and insertion groove 32 are provided between the connecting portion 42 and the positioning portion 31. The insertion piece 43 and the insertion groove 32 are configured to be fixed with each other to form a fixed connection between the lower cage body 3 and the upper cage body 4. The insertion groove 32 is formed in the positioning portion 31 of the upper cage body 4. Bump 33 is provided in the insertion groove 32. The insertion piece 43 is provided on the connecting portion 42 of the lower cage body 3. Clamping member 44 is provided on an end portion of the insertion piece 43. The clamping member 44 is clamped between the bump 33 and the bottom of the insertion groove 32. The bump 33 is arranged adjacent to an inserting port of the insertion groove 32. A contact surface of the bump 33 and the clamping member 44 is an arc surface. Positioning piece 45 is respectively provided at two sides of the insertion piece 43. The positioning piece 45 is elastic. Accommodating groove 34 is formed in a position of the insertion groove 32 corresponding to the positioning piece 45. The insertion groove 32 communicates with the pocket groove 41 through the accommodating groove 34. An oil storage cotton is provided in the accommodating groove 34. A first connecting step is provided on the inner wall of the outer ring 2. Second connecting step 11 is provided on the outer wall of the inner ring 1. Dust cover 5 is clamped between the first connecting step and the second connecting step 11.
(12) As shown in FIGS. 4 through 9, according to a second embodiment of the present disclosure, a deep groove ball bearing with a cage includes outer ring 2, inner ring 1, a cage, and steel balls. The cage is provided between the outer ring 2 and the inner ring 1. Pockets are formed in the cage. The steel balls are placed in the pockets. The cage is split into upper cage body 4 and lower cage body 3. Pocket grooves 41 are formed alternately in each of the upper cage body 4 and the lower cage body 3. Pocket grooves 41 in the upper cage body 4 and the lower cage body 3 are combined correspondingly to form the pockets. Connecting portion 42 is provided between adjacent pocket grooves 41 in the lower cage body 3. Positioning portion 31 is provided between adjacent pocket grooves 41 in the upper cage body 4. Insertion piece 43 and insertion groove are provided between the connecting portion 42 and the positioning portion 31. The insertion piece 43 and the insertion groove are configured to be fixed with each other to form a fixed connection between the lower cage body 3 and the upper cage body 4. The insertion groove is formed in the positioning portion 31 of the upper cage body 4. The insertion piece 43 is provided on the connecting portion 42 of the lower cage body 3. The insertion piece 43 is provided as a pair of connecting arms 46. The pair of connecting arms 46 includes one end connected to the connecting portion 42 and the other end provided with hook 47. The pair of connecting arms 46 passes through the insertion groove, and the hook 47 is hooked on the outer wall of the positioning portion 31. The hook 47 is provided in a wedge shape. A contact surface of the hook 47 and the insertion groove is an inclined surface. Connecting bridge 48 is provided between the pair of connecting arms 46. The connecting portion 42 on the lower cage body 3 is lower than the bottom of the pocket groove 41. The length of the hook 47 is less than the distance between the connecting portion 42 and the bottom of the pocket groove 41. A first connecting step is provided on the inner wall of the outer ring 2. Second connecting step 11 is provided on the outer wall of the inner ring 1. Dust cover 5 is clamped between the first connecting step and the second connecting step 11.
(13) As shown in FIGS. 4 through 9, according to a second embodiment of the present disclosure, a deep groove ball bearing with a cage includes outer ring 2, inner ring 1, a cage, and steel balls. The cage is provided between the outer ring 2 and the inner ring 1. Pockets are formed in the cage. The steel balls are placed in the pockets. The cage is split into upper cage body 4 and lower cage body 3. Pocket grooves 41 are formed alternately in each of the upper cage body 4 and the lower cage body 3. Pocket grooves 41 in the upper cage body 4 and the lower cage body 3 are combined correspondingly to form the pockets. Connecting portion 42 is provided between adjacent pocket grooves 41 in the lower cage body 3. Positioning portion 31 is provided between adjacent pocket grooves 41 in the upper cage body 4. Insertion piece 43 and insertion groove are provided between the connecting portion 42 and the positioning portion 31. The insertion piece 43 and the insertion groove are configured to be fixed with each other to form a fixed connection between the lower cage body 3 and the upper cage body 4. The insertion groove is formed in the positioning portion 31 of the upper cage body 4. The insertion piece 43 is provided on the connecting portion 42 of the lower cage body 3. The insertion piece 43 is provided as a pair of connecting arms 46. The pair of connecting arms 46 include one end connected to the connecting portion 42 and the other end provided with hook 47. The pair of connecting arms 46 pass through the insertion groove, and the hook 47 is hooked on the outer wall of the positioning portion 31. The hook 47 is provided in a wedge shape. A contact surface of the hook 47 and the insertion groove is an inclined surface. Connecting bridge 48 is provided between the pair of connecting arms 46. The connecting portion 42 on the lower cage body 3 is lower than the bottom of the pocket groove 41. The length of hook 47 is less than the distance between the connecting portion 42 and the bottom of the pocket groove 41.
(14) As shown in FIGS. 4 through 9, according to a second embodiment of the present disclosure, a deep groove ball bearing with a cage includes outer ring 2, inner ring 1, a cage, and steel balls. The cage is provided between the outer ring 2 and the inner ring 1. Pockets are formed in the cage. The steel balls are placed in the pockets. The cage is split into upper cage body 4 and lower cage body 3. Pocket grooves 41 are formed alternately in each of the upper cage body 4 and the lower cage body 3. Pocket grooves 41 in the upper cage body 4 and the lower cage body 3 are combined correspondingly to form the pockets. Connecting portion 42 is provided between adjacent pocket grooves 41 in the lower cage body 3. Positioning portion 31 is provided between adjacent pocket grooves 41 in the upper cage body 4. Insertion piece 43 and insertion groove are provided between the connecting portion 42 and the positioning portion 31. The insertion piece 43 and the insertion groove are configured to be fixed with each other to form a fixed connection between the lower cage body 3 and the upper cage body 4. The insertion groove is formed in the positioning portion 31 of the upper cage body 4. The insertion piece 43 is provided on the connecting portion 42 of the lower cage body 3. The insertion piece 43 is provided as a pair of connecting arms 46. The pair of connecting arms 46 include one end connected to the connecting portion 42 and the other end provided with hook 47. The pair of connecting arms 46 pass through the insertion groove, and the hook 47 is hooked on the outer wall of the positioning portion 31. The hook 47 is provided in a wedge shape. A contact surface of the hook 47 and the insertion groove is an inclined surface. The connecting portion 42 on the lower cage body 3 is lower than the bottom of the pocket groove 41. The length of the hook 47 is less than the distance between the connecting portion 42 and the bottom of the pocket groove 41. A first connecting step is provided on the inner wall of the outer ring 2. Second connecting step 11 is provided on the outer wall of the inner ring 1. Dust cover 5 is clamped between the first connecting step and the second connecting step 11. In FIG. 8, (there is no connecting bridge 48 provided) between the insertion piece 43 and the connecting portion 42. In FIG. 9, the outer ring 2 and the inner ring 1 are shown without a dust cover 5.
(15) The above embodiment is just one of the preferred specific embodiments of the present disclosure, and various variations and substitutions made by those skilled in the art within the scope of the technical solution of the present disclosure shall all be included in the protection scope of the present disclosure.
