CN211599278U - Double-row cylindrical roller bearing - Google Patents
Double-row cylindrical roller bearing Download PDFInfo
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- CN211599278U CN211599278U CN202020275145.3U CN202020275145U CN211599278U CN 211599278 U CN211599278 U CN 211599278U CN 202020275145 U CN202020275145 U CN 202020275145U CN 211599278 U CN211599278 U CN 211599278U
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Abstract
A double-row cylindrical roller bearing relates to a rolling bearing, wherein an outer ring (2) is sleeved outside an inner ring (9), a baffle ring (14) is contacted with one end part of a plurality of cylindrical rollers B (8), the inner wall (13) of the outer ring is respectively contacted with a plurality of cylindrical rollers A (7) and a plurality of cylindrical rollers B (8), a retainer ring (5) is inserted into the outer ring (2) along one end of the outer ring (2) provided with an annular half groove (12), and one end of the retainer ring (5) is contacted with one end part of the plurality of cylindrical rollers A (7); the utility model discloses a to arrange two cylindrical roller in two that the inner circle outer wall was equipped with are listed as the half slot to set up the outer lane into integrated configuration, make the distance between outer lane 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-row cylindrical roller 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-row cylindrical roller bearing is a rolling bearing, a cylindrical alloy steel ball is arranged between an inner steel ring and an outer steel ring, a traditional double-row cylindrical roller bearing generally separates a cylindrical roller by a retainer, the friction force in the power transmission process is reduced and the transmission efficiency of mechanical power is improved in a cylindrical roller rolling mode, the inner ring and the outer ring of the double-row cylindrical roller bearing are limited by the heads of the retainer, the interval between the inner ring and the outer ring of the double-row cylindrical roller bearing is large, bearing oil smeared on the bearing is easily thrown out when the bearing oil runs at a high speed, the bearing is seriously damaged mechanically when the bearing oil is lacked and the bearing oil 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-row cylindrical roller bearing arranges two cylindrical roller in two that the inner circle outer wall was equipped with and is listed as the half slot to set up the outer lane into integrated configuration, make the distance between outer lane 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-row cylindrical roller bearing comprises an outer ring, a retainer ring and an inner ring, wherein one end of the inner wall of the outer ring is provided with a retainer ring, the other end of the inner wall of the outer ring is provided with an annular half groove, a plurality of screw holes are arranged on the side wall of the annular half groove at intervals, one end of the retainer ring is provided with a turned edge, a plurality of through holes are arranged on the turned edge at intervals, a plurality of half grooves are arranged in two rows at intervals around the axis of the inner ring in the middle of the outer wall of the inner ring, a plurality of cylindrical rollers A with the same number as that of the half grooves in one row are respectively and partially arranged in the plurality of half grooves in the other row, the outer ring is sleeved outside the inner ring, the retainer ring is in contact with one end parts of the plurality of cylindrical rollers B, the inner wall of the outer ring is in contact with the plurality of cylindrical rollers A and the plurality of cylindrical rollers B, the retaining ring is equipped with in the one end of annular half groove inserts the outer lane along the outer lane, the one end of retaining ring and a plurality of cylindrical roller A's a tip phase-splitting contact, annular half inslot is arranged in to the turn-ups, be equipped with the annular respectively at the inner circle outer wall both ends of inner circle, the jump ring has been cup jointed respectively in two annular, the outer fringe face of a jump ring contacts with the inner wall that keeps off the ring, the outer fringe face of another jump ring contacts with the inner wall of retaining ring, a plurality of screws pass behind a plurality of perforation respectively with a plurality of screw spiro union.
The outer ring outer wall of the double-row cylindrical roller bearing is of an annular plane structure.
The double-row cylindrical roller bearing is characterized in that chamfer transition is arranged between the outer wall of the outer ring and two end faces of the outer ring.
The inner wall of the inner ring of the double-row cylindrical roller bearing is of an annular plane structure.
The double-row cylindrical roller bearing is characterized in that chamfer transition is formed between the inner wall of the inner ring and two end faces of the inner ring.
The double-row cylindrical roller bearing is characterized in that joints are respectively arranged on the two clamp springs.
The double-row cylindrical roller bearing is characterized in that one end of each through hole is provided with a flared neck, and the screw heads arranged on the screws are arranged in the flared necks respectively.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the double-row cylindrical roller bearing of the utility model has the advantages that the two rows of cylindrical rollers are arranged in the two rows of semi-circular grooves arranged on the outer wall of the inner ring, and the outer ring is arranged into a combined structure, so that the distance between the outer ring and the inner ring is 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 outer ring of the present invention;
FIG. 3 is a schematic structural view of the inner ring of the present invention;
FIG. 4 is a schematic structural view of the retainer ring of the present invention;
FIG. 5 is a schematic perspective view of the retainer ring of the present invention;
fig. 6 is a schematic structural diagram of the clamp spring of the present invention.
In the figure: 1. the outer wall of the outer ring; 2. an outer ring; 3. a screw; 4. flanging; 5. a retainer ring; 6. a clamp spring; 7. a cylindrical roller A; 8. a cylindrical roller B; 9. an inner ring; 10. the inner wall of the inner ring; 11. a screw hole; 12. an annular half groove; 13. the inner wall of the outer ring; 14. a baffle ring; 15. a semicircular groove; 16. the outer wall of the inner ring; 17. a ring groove; 18. expanding the neck; 19. perforating; 20. 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-row cylindrical roller bearing described with reference to fig. 1 to 6 comprises an outer ring 2, a retainer ring 5 and an inner ring 9, wherein an outer ring outer wall 1 of the outer ring 2 is of an annular plane structure, chamfer transition is arranged between the outer ring outer wall 1 of the outer ring 2 and two end faces of the outer ring 2, one end of an outer ring inner wall 13 of the outer ring 2 is provided with a retainer ring 14, the other end of the outer ring inner wall 13 of the outer ring 2 is provided with an annular half groove 12, a plurality of screw holes 11 are arranged on the side wall of the annular half groove 12 at intervals, one end of the retainer ring 5 is provided with a flange 4, a plurality of through holes 19 are arranged on the flange 4 at intervals, a plurality of half grooves 15 are arranged at intervals around the axis of the inner ring 9 in the middle part of an inner ring outer wall 16 of the inner ring 9, the plurality of half grooves 15 are arranged in two rows, a plurality of cylindrical rollers A7 with the same number as the plurality of half grooves 15 in one row are respectively arranged in one row in the plurality of half, an inner ring inner wall 10 arranged on an inner ring 9 is of an annular plane structure, chamfer transition is arranged between the inner ring inner wall 10 of the inner ring 9 and two end faces of the inner ring 9, an outer ring 2 is sleeved outside the inner ring 9, a baffle ring 14 is contacted with one end part of a plurality of cylindrical rollers B8, an outer ring inner wall 13 is contacted with a plurality of cylindrical rollers A7 and a plurality of cylindrical rollers B8 respectively, a baffle ring 5 is inserted into the outer ring 2 along one end of the outer ring 2 provided with an annular half groove 12, one end of the baffle ring 5 is contacted with one end part of a plurality of cylindrical rollers A7, a flange 4 is arranged in the annular half groove 12, annular grooves 17 are respectively arranged at two ends of an inner ring outer wall 16 of the inner ring 9, clamp springs 6 are respectively sleeved in the two annular grooves 17, an outer edge surface of one clamp spring 6 is contacted with the inner wall of the baffle ring 14, an outer edge surface of the other clamp spring 6 is contacted with the inner wall of the baffle ring 5, joints 20 are respectively arranged on, one end of each of the plurality of through holes 19 is provided with a neck extension 18, and the screw heads of the plurality of screws 3 are respectively arranged in the plurality of neck extensions 18.
When the double-row cylindrical roller bearing is used, proper bearing oil is coated in two rows of semicircular grooves 15 arranged in an inner ring 9, then a plurality of cylindrical rollers A7 with the same number as the plurality of semicircular grooves 15 in one row are respectively and partially arranged in the plurality of semicircular grooves 15 in one row, a plurality of cylindrical rollers B8 with the same number as the plurality of semicircular grooves 15 in the other row are respectively and partially arranged in the plurality of semicircular grooves 15 in the other row, snap springs 6 are respectively sleeved in two ring grooves 17, an outer ring 2 is sleeved outside the inner ring 9, a baffle ring 14 is contacted with one end parts of a plurality of cylindrical rollers B8, an outer ring inner wall 13 is contacted with the plurality of cylindrical rollers A7 and the plurality of cylindrical rollers B8, one end of a baffle ring 5 is contacted with one end parts of the plurality of cylindrical rollers A7, a flanging 4 is arranged in an annular semicircular groove 12, an outer edge surface of one snap spring 6 is contacted with an inner wall of the baffle ring 14, an outer edge surface of the other snap spring 6 is contacted with an inner wall of the, the plurality of screws 3 are respectively screwed with the plurality of screw holes 11 after passing through the plurality of through holes 19, so that the distance between the outer ring 2 and the inner ring 9 is shortened as much as possible, and the aim of preventing bearing oil smeared on the bearing from being easily thrown out during high-speed operation is fulfilled.
The part of the utility model not detailed is prior art.
Claims (7)
1. A double-row cylindrical roller bearing is characterized in that: comprises an outer ring (2), a retainer ring (5) and an inner ring (9), wherein one end of the inner wall (13) of the outer ring (2) is provided with a retainer ring (14), the other end of the inner wall (13) of the outer ring (2) is provided with an annular half groove (12), a plurality of screw holes (11) are arranged on the side wall of the annular half groove (12) at intervals, one end of the retainer ring (5) is provided with a flange (4), a plurality of through holes (19) are arranged on the flange (4) at intervals, a plurality of half grooves (15) are arranged in the middle of the outer wall (16) of the inner ring (9) at intervals around the axis of the inner ring (9), the plurality of half grooves (15) are arranged in two rows, a plurality of cylindrical rollers A (7) with the same number as that of the plurality of half grooves (15) in one row are respectively and partially arranged in a plurality of half grooves (15) in the other row, a plurality of cylindrical rollers B (8) with the same number as the plurality of half grooves (, the outer ring (2) is sleeved outside the inner ring (9), a baffle ring (14) is contacted with one end part of a plurality of cylindrical rollers B (8), the inner wall (13) of the outer ring is contacted with a plurality of cylindrical rollers A (7) and a plurality of cylindrical rollers B (8) respectively, one end of a retaining ring (5) provided with an annular half groove (12) along the outer ring (2) is inserted into the outer ring (2), one end of the retaining ring (5) is contacted with one end part of the plurality of cylindrical rollers A (7), a flanging (4) is arranged in the annular half groove (12), annular grooves (17) are respectively arranged at two ends of the inner ring outer wall (16) of the inner ring (9), jump ring (6) have been cup jointed respectively in two annular (17), the outer fringe face of a jump ring (6) contacts with the inner wall that keeps off ring (14), and the outer fringe face of another jump ring (6) contacts with the inner wall of retaining ring (5), a plurality of screws (3) pass behind a plurality of perforation (19) respectively with a plurality of screw (11) spiro union.
2. The double-row cylindrical roller bearing according to claim 1, characterized in that: the outer wall (1) of the outer ring arranged on the outer ring (2) is of an annular plane structure.
3. The double-row cylindrical roller bearing according to claim 2, characterized in that: the outer wall (1) of the outer ring (2) and two end faces of the outer ring (2) are in chamfer transition.
4. The double-row cylindrical roller bearing according to claim 1, characterized in that: the inner ring (9) is provided with an inner ring inner wall (10) which is of an annular plane structure.
5. The double-row cylindrical roller bearing according to claim 4, wherein: the inner wall (10) of the inner ring (9) and two end faces of the inner ring (9) are in chamfer transition.
6. The double-row cylindrical roller bearing according to claim 1, characterized in that: the two clamp springs (6) are respectively provided with a joint (20).
7. The double-row cylindrical roller bearing according to claim 1, characterized in that: one end of each of the through holes (19) is provided with a neck extension (18), and the screw heads of the screws (3) are respectively arranged in the neck extensions (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275145.3U CN211599278U (en) | 2020-03-09 | 2020-03-09 | Double-row cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020275145.3U CN211599278U (en) | 2020-03-09 | 2020-03-09 | Double-row cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599278U true CN211599278U (en) | 2020-09-29 |
Family
ID=72582289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020275145.3U Active CN211599278U (en) | 2020-03-09 | 2020-03-09 | Double-row cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599278U (en) |
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2020
- 2020-03-09 CN CN202020275145.3U patent/CN211599278U/en active Active
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