CN211599269U - Double-layer ball bearing - Google Patents
Double-layer ball bearing Download PDFInfo
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- CN211599269U CN211599269U CN202020275039.5U CN202020275039U CN211599269U CN 211599269 U CN211599269 U CN 211599269U CN 202020275039 U CN202020275039 U CN 202020275039U CN 211599269 U CN211599269 U CN 211599269U
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Abstract
A double-layer ball bearing relates to a rolling bearing, wherein two trapezoidal snap rings B (11) are respectively embedded into two groups of trapezoidal half clamping grooves B (17) to enable two half middle rings (6) to form a circular ring to be sleeved outside an inner ring (8), a plurality of balls B (7) are respectively and partially arranged in two semi-ring circular grooves B (18), two trapezoidal snap rings A (3) are respectively embedded into two groups of trapezoidal half clamping grooves A (12) to enable two half outer rings (2) to form a circular ring to be sleeved outside the middle ring, and a plurality of balls A (4) are respectively and partially arranged in two semi-ring circular grooves A (13); the utility model discloses an arrange the ball in the ball socket that inner circle outer wall and well circle outer wall were equipped with respectively to set up outer lane and well circle into integrated configuration respectively, make the distance between outer lane and well circle, well circle and the inner circle shorten as far as possible, realized preventing that the bearing oil of paining on the bearing is thrown away the purpose easily when high-speed operation.
Description
Technical Field
The utility model relates to a antifriction bearing especially relates to a double-deck ball bearing.
Background
The bearing is an important part in the modern mechanical equipment, and has the main functions of supporting the mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body; the double-layer ball bearing is a rolling bearing, a spherical alloy steel ball is arranged between an inner steel ring and an outer steel ring, the traditional double-layer ball bearing generally separates balls by a retainer, the friction force in the power transmission process is reduced and the transmission efficiency of mechanical power is improved in a ball rolling mode, the interval between the inner ring and the outer ring of the double-layer ball bearing is large due to the limitation of the head of the retainer, bearing oil smeared on the bearing is easily thrown out when the bearing oil runs at a high speed, so that the bearing is seriously damaged mechanically when the bearing lacks the bearing oil and runs at a high speed, and the service life of the bearing is influenced.
Disclosure of Invention
In order to overcome not enough among the background art, the utility model discloses a double-deck ball bearing is through arranging the ball in the ball socket that inner circle outer wall and well circle outer wall were equipped with respectively to set up outer lane and well circle into integrated configuration respectively, made the distance between outer lane and well circle, well circle and the inner circle shorten as far as possible, realized preventing that the bearing oil of paining on the bearing is thrown away the purpose easily when high-speed operation.
In order to realize the purpose, the utility model adopts the following technical scheme:
a double-layer ball bearing comprises a half outer ring, a half middle ring and an inner ring, wherein a half ring circular groove A is arranged in the middle of the inner wall of the half outer ring, two trapezoidal half clamping grooves A are oppositely arranged on two end faces of the half outer ring, a half ring circular groove B is arranged in the middle of the inner wall of the half middle ring, two trapezoidal half clamping grooves B are oppositely arranged on two end faces of the half middle ring, a plurality of ball sockets A are equidistantly arranged in the middle of the outer wall of the half middle ring at intervals, a plurality of ball sockets B are equidistantly arranged in the middle of the outer wall of the inner ring around the axis of the inner ring, a plurality of ball sockets B with the same number as the ball sockets B are respectively and partially arranged in the ball sockets B, the two half middle rings are oppositely arranged, the trapezoidal half clamping grooves B with large openings and small bottoms which are respectively arranged on the two end faces of the two half middle rings are mutually communicated, the two trapezoidal half clamping, the two half outer rings are oppositely arranged, so that large-opening and small-bottom trapezoidal half clamping grooves A which are oppositely arranged on the two end faces of the two half outer rings are respectively communicated with each other, the two trapezoidal clamping rings A are respectively embedded into the two groups of trapezoidal half clamping grooves A, so that the two half outer rings form an outer ring sleeved outside the middle ring, and the balls A are respectively partially arranged in the two half circular grooves A.
The outer walls of the half outer rings of the double-layer ball bearing, which are respectively provided with the two half outer rings, are combined to form an annular plane structure.
The inner wall of the inner ring of the double-layer ball bearing is of an annular plane structure.
The double-layer ball bearing is characterized in that chamfer transition is arranged between the inner wall of the inner ring and two end faces of the inner ring.
The double-layer ball bearing is characterized in that annular grooves are formed in two ends of the outer wall of the inner ring respectively, clamp springs B are sleeved in the two annular grooves respectively, the outer edge surfaces of the two clamp springs B are in contact with two ends of the two halves of the inner wall of the middle ring after the two halves of the inner wall of the middle ring are combined, and connectors are arranged on the two clamp springs B respectively.
The double-layer ball bearing is characterized in that semi-ring through grooves are respectively formed in two sides of the outer wall of the half middle ring of the two half middle rings, the two half middle rings are oppositely arranged to enable the semi-ring through grooves formed in the two sides of the outer wall of the two half middle rings to be communicated, the two clamp springs A are respectively sleeved in the two sets of semi-ring through grooves, the outer edge surfaces of the two clamp springs A are respectively contacted with two ends of the two half outer rings after being combined, and joints are respectively arranged on the two clamp springs A.
The double-layer ball bearing is in interference fit between the trapezoidal half clamping groove A and the trapezoidal clamping ring A and between the trapezoidal half clamping groove B and the trapezoidal clamping ring B respectively.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the double-layer ball bearing of the utility model has the advantages that the balls are arranged in the ball sockets respectively arranged on the outer wall of the inner ring and the outer wall of the middle ring, and the outer ring and the middle ring are respectively arranged into the combined structure, so that the distances between the outer ring and the middle ring and between the middle ring and the inner ring are shortened as much as possible, and the purpose of preventing bearing oil smeared on the bearing from being easily thrown out during high-speed operation is realized; the utility model relates to a novel unique, practicality is strong, energy saving and consumption reduction has very big market spreading value.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the half outer ring of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the half middle ring of the present invention;
FIG. 4 is a schematic structural view of a half middle ring of the present invention;
fig. 5 is a schematic structural view of the inner ring of the present invention;
fig. 6 is a schematic structural view of a trapezoidal snap ring B of the present invention;
fig. 7 is the schematic structural diagram of the clamp spring B of the present invention.
In the figure: 1. the outer wall of the semi-outer ring; 2. a half outer ring; 3. a trapezoidal snap ring A; 4. a ball A; 5. a clamp spring A; 6. a half middle ring; 7. a ball B; 8. an inner ring; 9. the inner wall of the inner ring; 10. a clamp spring B; 11. a trapezoidal snap ring B; 12. a trapezoidal half slot A; 13. a semi-ring circular groove A; 14. the inner wall of the half outer ring; 15. the outer wall of the half middle ring; 16. a semi-ring through groove; 17. a trapezoidal half slot B; 18. a semi-ring circular groove B; 19. the inner wall of the half middle ring; 20. a ball socket A; 21. a ball socket B; 22. the outer wall of the inner ring; 23. a ring groove; 24. and (4) a joint.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the invention, and the purpose of disclosing the invention is to protect all the changes and improvements that come within the scope of the invention;
the double-layer ball bearing described with reference to fig. 1 to 7 comprises a half outer ring 2, a half middle ring 6 and an inner ring 8, wherein a half ring circular groove a13 is arranged in the middle of a half outer ring inner wall 14 of the half outer ring 2, two trapezoidal half clamping grooves a12 are oppositely arranged on two end faces of the half outer ring 2, a half ring circular groove B18 is arranged in the middle of a half middle ring inner wall 19 of the half middle ring 6, two trapezoidal half clamping grooves B17 are oppositely arranged on two end faces of the half middle ring 6, a plurality of ball sockets a20 are equidistantly arranged in the middle of a half middle ring outer wall 15 of the half middle ring 6, a plurality of ball sockets B21 are equidistantly arranged in the middle of an inner ring outer wall 22 of the inner ring 8 around the axis of the inner ring 8, and a plurality of ball sockets B7 with the same number as the ball sockets B21 are respectively and partially arranged in the plurality of ball sockets B21, the inner ring inner wall 9 arranged on the inner ring 8 is of an annular plane structure, a chamfer, the two half middle rings 6 are oppositely arranged, so that the two end surfaces of the two half middle rings 6 are respectively oppositely provided with a large-opening-bottom trapezoidal half clamping groove B17 which is mutually communicated, the two trapezoidal clamping rings B11 are respectively embedded into the two groups of trapezoidal half clamping grooves B17, so that the two half middle rings 6 are enclosed into a circular ring to form the middle ring to be sleeved outside the inner ring 8, a plurality of balls B7 are respectively and partially arranged in the two half ring circular grooves B18, a plurality of balls A4 with the same number as the ball sockets A20 which are respectively arranged on the two half middle rings 6 are respectively and partially arranged in a plurality of ball sockets A20, the two half outer rings 2 are two, the two half outer rings 2 are oppositely arranged to enable the two end surfaces of the two half outer rings 2 to be respectively and oppositely provided with a large-opening-bottom trapezoidal half clamping grooves A12 to be mutually communicated, the two trapezoidal clamping rings A3 are respectively embedded into the two groups of trapezoidal half clamping grooves A12 to enable the two half outer rings 2 to be enclosed into a circular, the outer walls 1 of the half outer rings respectively arranged on the two half outer rings 2 are combined to form an annular plane structure, ring grooves 23 are respectively arranged at two ends of the outer wall 22 of the inner ring 8, clamp springs B10 are sleeved in the two ring grooves 23 respectively, the outer edge surfaces of the two clamp springs B10 are contacted with the two ends of the two half middle ring inner walls 19 after being combined respectively, the two clamp springs B10 are respectively provided with a joint 24, the two sides of the half middle ring outer wall 15 of the two half middle rings 6 are respectively provided with a semi-ring through groove 16, the two half middle rings 6 are oppositely arranged to ensure that the semi-ring through grooves 16 respectively arranged at the two sides of the two half middle ring outer walls 15 are communicated, the two clamp springs A5 are respectively sleeved in the two groups of semi-ring through grooves 16, the outer edge surfaces of the two clamp springs A5 are respectively contacted with the two ends of the two half outer ring inner walls 14 after being combined, the two clamp springs A5 are respectively provided with a connector 24, and the interference fit is respectively formed between the trapezoidal half clamping groove A12 and the trapezoidal clamping ring A3 and between the trapezoidal half clamping groove B17 and the trapezoidal clamping ring B11.
When the double-layer ball bearing is used, proper bearing oil is coated in a ball socket B21 arranged in an inner ring 8, then balls B7 with the same quantity as the ball sockets B21 are respectively arranged in each ball socket B21, clamp springs B10 are respectively sleeved in two ring grooves 23, two half middle rings 6 are buckled outside the inner ring 8, a plurality of balls B7 are respectively and partially arranged in two half ring circular grooves B18, the outer edge surfaces of the two clamp springs B10 are respectively contacted with the two ends of the two half middle ring inner walls 19 after being combined, the two half middle rings 6 are oppositely arranged, trapezoidal half clamping grooves B17 with large openings and small bottoms and respectively arranged on the two end surfaces of the two half middle rings 6 are respectively communicated, the trapezoidal clamping rings B11 are respectively embedded into two groups of trapezoidal half clamping grooves B17 according to matching, the distance between the middle rings and the inner ring 8 is shortened as much as possible, proper bearing oil is coated in a ball socket A20 arranged in the half middle ring 6, then the ball sockets A4 with the same quantity as the ball sockets A20 are arranged in each ball socket A20, snap springs A5 are respectively sleeved in the two groups of semi-ring through grooves 16, the two half outer rings 2 are buckled outside the middle ring, a plurality of balls A4 are respectively and partially arranged in the two semi-ring circular grooves A13, the outer edge surfaces of the two snap springs A5 are respectively contacted with the two ends of the two half outer ring inner walls 14 after being combined, the two half outer rings 2 are oppositely arranged, so that the two end surfaces of the two half outer rings 2 are respectively and oppositely provided with a large-opening small-bottom trapezoidal half clamping groove A12 which is mutually communicated, the trapezoidal clamping rings A3 are respectively embedded into the two groups of trapezoidal half clamping grooves A12 in an interference fit manner, the distance between the outer rings and the middle ring is shortened as much as possible, and the purpose of preventing bearing oil smeared on the bearing from being.
The part of the utility model not detailed is prior art.
Claims (7)
1. A double-layer ball bearing is characterized in that: the semi-middle ring comprises a semi-outer ring (2), a semi-middle ring (6) and an inner ring (8), wherein a semi-ring circular groove A (13) is arranged in the middle of a semi-outer ring inner wall (14) of the semi-outer ring (2), two trapezoidal semi-clamping grooves A (12) are oppositely arranged on two end faces of the semi-outer ring (2), a semi-ring circular groove B (18) is arranged in the middle of a semi-middle ring inner wall (19) of the semi-middle ring (6), two trapezoidal semi-clamping grooves B (17) are oppositely arranged on two end faces of the semi-middle ring (6), a plurality of ball sockets A (20) are arranged in the middle of a semi-middle ring outer wall (15) of the semi-middle ring (6) at intervals, a plurality of ball sockets B (21) are arranged in the middle of an inner ring outer wall (22) of the inner ring (8) at intervals around an axis of the inner ring (8), a plurality of ball sockets B (7) with the same number as the ball sockets B (21) are respectively and partially arranged in the plurality of ball sockets B (21), the two The two trapezoidal half clamping grooves B (17) are communicated with each other, the two trapezoidal clamping rings B (11) are respectively embedded into the two groups of trapezoidal half clamping grooves B (17) to enable the two half middle rings (6) to form a circular ring to be sleeved outside the inner ring (8), a plurality of balls B (7) are respectively and partially arranged in the two half ring circular grooves B (18), a plurality of balls A (4) with the same number as a plurality of ball sockets A (20) respectively arranged on the two half middle rings (6) are respectively arranged in the plurality of ball sockets A (20), the two half outer rings (2) are arranged oppositely, trapezoidal half clamping grooves A (12) which are provided with large openings and small bottoms and are respectively arranged on two end faces of each of the two half outer rings (2) oppositely are communicated with each other, the two trapezoidal clamping rings A (3) are respectively embedded into the two groups of trapezoidal half clamping grooves A (12) to enable the two half outer rings (2) to form a circular ring in a surrounding manner, the outer ring is sleeved outside the middle ring, and the plurality of balls A (4) are respectively and partially arranged in the two half ring circular grooves A (13).
2. The double layer ball bearing of claim 1, wherein: the outer walls (1) of the half outer rings respectively arranged on the two half outer rings (2) are combined to form an annular plane structure.
3. The double layer ball bearing of claim 1, wherein: the inner ring (8) is provided with an inner ring inner wall (9) which is of an annular plane structure.
4. The double layer ball bearing of claim 3, wherein: a chamfer transition is arranged between the inner wall (9) of the inner ring (8) and two end faces of the inner ring (8).
5. The double layer ball bearing of claim 1, wherein: annular grooves (23) are respectively arranged at two ends of the outer wall (22) of the inner ring (8), clamp springs B (10) are respectively sleeved in the two annular grooves (23), the outer edge surfaces of the two clamp springs B (10) are respectively contacted with the two ends of the two half middle ring inner walls (19) after combination, and joints (24) are respectively arranged on the two clamp springs B (10).
6. The double layer ball bearing of claim 1, wherein: the two sides of the half middle ring outer wall (15) of the two half middle rings (6) are respectively provided with a semi-ring through groove (16), the two half middle rings (6) are oppositely arranged to enable the semi-ring through grooves (16) arranged on the two sides of the two half middle ring outer wall (15) to be communicated, the two clamp springs A (5) are respectively sleeved in the two groups of semi-ring through grooves (16), the outer edge surfaces of the two clamp springs A (5) are respectively contacted with the two ends of the two half outer ring inner walls (14) after combination, and the two clamp springs A (5) are respectively provided with a joint (24).
7. The double layer ball bearing of claim 1, wherein: interference fit is respectively formed between the trapezoidal half clamping groove A (12) and the trapezoidal clamping ring A (3) and between the trapezoidal half clamping groove B (17) and the trapezoidal clamping ring B (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275039.5U CN211599269U (en) | 2020-03-09 | 2020-03-09 | Double-layer ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275039.5U CN211599269U (en) | 2020-03-09 | 2020-03-09 | Double-layer ball bearing |
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| Publication Number | Publication Date |
|---|---|
| CN211599269U true CN211599269U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275039.5U Active CN211599269U (en) | 2020-03-09 | 2020-03-09 | Double-layer ball bearing |
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| CN (1) | CN211599269U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132540A (en) * | 2021-11-30 | 2022-03-04 | 芜湖立创包装有限公司 | Particulate matter feeding device |
-
2020
- 2020-03-09 CN CN202020275039.5U patent/CN211599269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114132540A (en) * | 2021-11-30 | 2022-03-04 | 芜湖立创包装有限公司 | Particulate matter feeding device |
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