CN211599277U - Double-layer cylindrical roller bearing - Google Patents

Abstract

A double-layer cylindrical roller bearing relates to a rolling bearing, wherein an outer ring (2) is sleeved outside a middle ring (8), an inner wall (18) of the outer ring is contacted with a plurality of cylindrical rollers A (7), a plurality of screws A (3) are respectively in threaded connection with a plurality of screw holes A (16) after penetrating through a plurality of through holes A (21), the middle ring (8) is sleeved outside an inner ring (10), an inner wall (26) of the middle ring is contacted with a plurality of cylindrical rollers B (9), and a plurality of screws B (15) are respectively in threaded connection with a plurality of screw holes B (24) after penetrating through a plurality of through holes B (30); the utility model discloses an arrange cylindrical roller in the half slot that well circle outer wall and inner circle outer wall were equipped with respectively to set up outer lane and well circle as integrated configuration, 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

Double-layer cylindrical roller bearing

Technical Field

The utility model relates to a antifriction bearing especially relates to a double-deck 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-layer cylindrical roller bearing is one kind of rolling bearing, install cylindrical alloy steel ball in the centre of well steel ring and outer steel ring, interior steel ring and well steel ring, traditional double-layer cylindrical roller bearing separates the cylindrical roller with the holder generally, reduce the frictional force and improve the transmission efficiency of mechanical power in the power transmission process with the cylindrical roller rolling mode, because receive the restriction of holder individual head, the interval between middle lane and outer lane, inner circle and the middle lane of double-layer cylindrical roller bearing is great, the bearing oil of scribbling on the bearing is thrown away easily when high-speed operation, make the bearing lack the bearing oil and appear serious mechanical damage when high-speed operation, influenced the life-span of bearing.

Disclosure of Invention

In order to overcome not enough in the background art, the utility model discloses a double-deck cylindrical roller bearing, through arranging cylindrical roller in the half slot that well circle outer wall and inner circle outer wall were equipped with respectively to set up outer lane and well circle as integrated configuration, 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.

In order to realize the purpose, the utility model adopts the following technical scheme:

a double-layer cylindrical roller bearing comprises an outer ring, a middle ring, an inner ring, a check ring A and a check ring B, wherein one end of the inner wall of the outer ring is provided with the check ring A, the other end of the inner wall of the outer ring is provided with an annular half groove A, the side wall of the annular half groove A is provided with a plurality of screw holes A at intervals, one end of the check ring A is provided with a turnup edge A, the turnup edge A is provided with a plurality of through holes A at intervals, the middle part of the outer wall of the middle ring is provided with a plurality of semi-circular grooves A at intervals around the axis of the middle ring, a plurality of cylindrical rollers A with the same number as the plurality of semi-circular grooves A are respectively and partially arranged in the plurality of semi-circular grooves A, one end of the inner wall of the middle ring is provided with the check ring B, the other end of the inner wall of the middle ring is provided with the, the middle part of the outer wall of the inner ring is provided with a plurality of semicircular grooves B at intervals around the axis of the inner ring, a plurality of cylindrical rollers B with the same number as the plurality of semicircular grooves B are respectively and partially arranged in the plurality of semicircular grooves B, the outer ring is sleeved outside the middle ring, a baffle ring A is contacted with one end parts of the plurality of cylindrical rollers A, the inner wall of the outer ring is contacted with the plurality of cylindrical rollers A, the baffle ring A is inserted into the outer ring along one end of the outer ring provided with the annular semicircular grooves A, one end of the baffle ring A is contacted with the other end parts of the plurality of cylindrical rollers A, a turned edge A is arranged in the annular semicircular groove A, the plurality of screws A are respectively screwed with the plurality of screw holes A after penetrating through the plurality of through holes A, the middle ring is sleeved outside the inner ring, the baffle ring B is contacted with one end parts of the plurality of cylindrical rollers B, the inner wall of the middle ring is contacted with the plurality of cylindrical rollers B, the baffle ring B is, the turned edge B is arranged in the annular half groove B, and the plurality of screws B are respectively in threaded connection with the plurality of screw holes B after penetrating through the plurality of through holes B.

The outer ring outer wall of the double-layer cylindrical roller bearing is of an annular plane structure.

The double-layer 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-layer cylindrical roller bearing is of an annular plane structure.

In the double-layer cylindrical roller bearing, the inner wall of the inner ring and two end faces of the inner ring are in chamfer transition.

Double-deck cylindrical roller bearing, the well circle outer wall both ends of well circle are equipped with annular A respectively, have cup jointed jump ring A in two annular A respectively, jump ring A's outer fringe face and fender ring A's inner wall contact, another jump ring A's outer fringe face and retaining ring A's inner wall contact, are equipped with the joint on two jump ring A respectively.

Double-deck cylindrical roller bearing, be equipped with annular B respectively at the inner circle outer wall both ends of inner circle, cup jointed jump ring B respectively in two annular B, jump ring B's outer fringe face and fender ring B's inner wall contact, another jump ring B's outer fringe face and retaining ring B's inner wall contact, are equipped with the joint respectively on two jump ring B.

The double-layer cylindrical roller bearing is characterized in that one ends of the through holes A are respectively provided with a neck expanding A, and the screw heads of the screws A are respectively arranged in the neck expanding A.

The double-layer cylindrical roller bearing is characterized in that one ends of the through holes B are respectively provided with a neck expanding B, and the screw heads of the screws B are respectively arranged in the neck expanding B.

Since the technical scheme is used, the utility model discloses following beneficial effect has:

the double-layer cylindrical roller bearing of the utility model has the advantages that the cylindrical rollers are arranged in the semicircular grooves respectively arranged on the outer wall of the middle ring and the outer wall of the inner ring, and the outer ring and the middle ring are arranged into a combined structure, so that the distance between the outer ring and the middle ring and the distance 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 outer ring of the present invention;

FIG. 3 is a schematic structural view of a retainer ring A of the present invention;

FIG. 4 is a schematic perspective view of a retainer ring A of the present invention;

FIG. 5 is a schematic structural view of the middle ring of the present invention;

fig. 6 is a schematic structural view of a retainer ring B of the present invention;

fig. 7 is a schematic perspective view of a retainer ring B of the present invention;

fig. 8 is a schematic structural view of the inner ring of the present invention;

fig. 9 is a schematic structural diagram of the clamp spring B of the present invention.

In the figure: 1. the outer wall of the outer ring; 2. an outer ring; 3. a screw A; 4. flanging A; 5. a retainer ring A; 6. a clamp spring A; 7. a cylindrical roller A; 8. a middle ring; 9. a cylindrical roller B; 10. an inner ring; 11. the inner wall of the inner ring; 12. a clamp spring B; 13. a retainer ring B; 14. flanging B; 15. a screw B; 16. a screw hole A; 17. an annular half groove A; 18. the inner wall of the outer ring; 19. a baffle ring A; 20. expanding the neck A; 21. punching a hole A; 22. a ring groove A; 23. a semicircular groove A; 24. a screw hole B; 25. an annular half groove B; 26. the inner wall of the middle ring; 27. a baffle ring B; 28. the outer wall of the middle ring; 29. expanding the neck B; 30. punching a hole B; 31. a ring groove B; 32. a semicircular groove B; 33. the outer wall of the inner ring; 34. 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 cylindrical roller bearing described with reference to fig. 1 to 9 includes an outer ring 2, a middle ring 8, an inner ring 10, a retainer ring A5 and a retainer ring B13, the outer ring outer wall 1 of the outer ring 2 is of an annular planar structure, a chamfer transition is provided between the outer ring outer wall 1 of the outer ring 2 and both end faces of the outer ring 2, a retainer ring a19 is provided at one end of the outer ring inner wall 18 of the outer ring 2, an annular half groove a17 is provided at the other end of the outer ring inner wall 18 of the outer ring 2, a plurality of screw holes a16 are provided at intervals on the side wall of the annular half groove a17, a flange A4 is provided at one end of the retainer ring A5, a plurality of through holes a21 are provided at intervals on the flange A4, a plurality of half grooves a23 are provided at intervals around the axis of the middle ring 8 at the middle part of the middle ring outer wall 28 of the middle ring 8, a plurality of cylindrical rollers A7 having the same number as the plurality of the half grooves a23 are respectively and partially provided in a plurality of the half grooves a23, a retainer ring inner, a plurality of screw holes B24 are arranged on the side wall of an annular half groove B25 at intervals, one end of a retainer ring B13 is provided with a flange B14, a plurality of through holes B30 are arranged on a flange B14 at intervals, an inner ring inner wall 11 arranged on an inner ring 10 is of an annular plane structure, the inner ring inner wall 11 of the inner ring 10 and two end faces of the inner ring 10 are in chamfer transition, a plurality of semicircular grooves B32 are arranged in the middle part of an inner ring outer wall 33 of the inner ring 10 at intervals around the axis of the inner ring 10, a plurality of cylindrical rollers B9 with the same number as the plurality of semicircular grooves B32 are respectively and partially arranged in the plurality of semicircular grooves B32, an outer ring 2 is sleeved outside the middle ring 8, a baffle ring A19 is in contact with one end parts of the plurality of cylindrical rollers A7, an outer ring inner wall 18 is in contact with the plurality of cylindrical rollers A7, the retainer ring A5 is inserted into the outer ring 2 along one end with the annular half groove A17, one end of the plurality of the cylindrical rollers A7 is in, a plurality of screws A3 penetrate through a plurality of through holes A21 and are respectively screwed with a plurality of screw holes A16, the middle ring 8 is sleeved outside the inner ring 10, a baffle ring B27 is contacted with one end part of a plurality of cylindrical rollers B9, the inner wall 26 of the middle ring is contacted with a plurality of cylindrical rollers B9, a baffle ring B13 is inserted into the middle ring 8 along one end of the middle ring 8 provided with an annular half groove B25, one end of the baffle ring B13 is contacted with the other end part of the plurality of cylindrical rollers B9, a turned edge B14 is arranged in the annular half groove B25, a plurality of screws B15 are respectively screwed with a plurality of screw holes B24 after penetrating through a plurality of through holes B30, annular grooves A22 are respectively arranged at two ends of the outer wall 28 of the middle ring 8, clamp springs A6 are respectively sleeved in two annular grooves A22, the outer edge surface of one clamp spring A6 is contacted with the inner wall of the baffle ring A19, the outer edge surface of the other clamp spring A6 is contacted with the inner wall of the baffle ring A5, clamp springs A53 are respectively provided with, clamp springs B12 are sleeved in the two ring grooves B31 respectively, the outer edge face of one clamp spring B12 is in contact with the inner wall of the retaining ring B27, the outer edge face of the other clamp spring B12 is in contact with the inner wall of the retaining ring B13, joints 34 are also arranged on the two clamp springs B12 respectively, one ends of the through holes A21 are provided with expanded necks A20 respectively, screw heads arranged on the screws A3 are arranged in the expanded necks A20 respectively, one ends of the through holes B30 are provided with expanded necks B29 respectively, and screw heads arranged on the screws B15 are arranged in the expanded necks B29 respectively.

When the double-layer cylindrical roller bearing is used, proper bearing oil is coated in the semicircular groove B32 arranged on the inner ring 10, the cylindrical rollers B9 with the same number as the semicircular grooves B32 are respectively arranged in each semicircular groove B32, snap springs B12 are respectively sleeved in the two ring grooves B31, the middle ring 8 is sleeved outside the inner ring 10, so that a retaining ring B27 is contacted with one end part of a plurality of cylindrical rollers B9, the inner wall 26 of the middle ring is contacted with a plurality of cylindrical rollers B9, a retaining ring B13 is inserted into the middle ring 8 along one end of the middle ring 8 provided with an annular half groove B25, one end of a retaining ring B13 is contacted with the other end part of a plurality of cylindrical rollers B9, a turned-over edge B14 is arranged in the annular half groove B25, the outer edge surface of one snap spring B12 is contacted with the inner wall of a retaining ring B27, the outer edge surface of the other snap spring B12 is contacted with the inner wall of a retaining ring B13, and a plurality of screws B15 are respectively screwed with a plurality of screw holes B24 after passing through a plurality; coating proper bearing oil in a semicircular groove A23 arranged in a middle ring 8, respectively placing cylindrical rollers A7 with the same number as the semicircular groove A23 in each semicircular groove A23, respectively sleeving clamp springs A6 in two annular grooves A22, sleeving an outer ring 2 outside the middle ring 8, enabling a baffle ring A19 to be in contact with one end parts of a plurality of cylindrical rollers A7, enabling an outer ring inner wall 18 to be in contact with the plurality of cylindrical rollers A7, inserting a baffle ring A5 into the outer ring 2 along one end of the outer ring 2 provided with an annular semicircular groove A17, enabling one end of a baffle ring A5 to be in contact with the other end parts of the plurality of cylindrical rollers A7, enabling a flange A4 to be placed in the annular semicircular groove A17, enabling an outer edge surface of one clamp spring A6 to be in contact with an inner wall of the baffle ring A19, enabling an outer edge surface of the other clamp spring A6 to be in contact with an inner wall of the baffle ring A5, enabling a plurality of screws A3 to penetrate through a plurality of perforated A21 and then to be in threaded with a plurality of threaded holes A16, enabling the, the purpose of preventing bearing oil smeared on the bearing from being easily thrown out during high-speed operation is achieved.

The part of the utility model not detailed is prior art.

Claims (9)

1. A double-layer cylindrical roller bearing is characterized in that: comprises an outer ring (2), a middle ring (8), an inner ring (10), a retainer ring A (5) and a retainer ring B (13), wherein one end of the inner wall (18) of the outer ring (2) is provided with a retainer ring A (19), the other end of the inner wall (18) of the outer ring (2) is provided with an annular half groove A (17), the side wall of the annular half groove A (17) is provided with a plurality of screw holes A (16) at intervals, one end of the retainer ring A (5) is provided with a flange A (4), the flange A (4) is provided with a plurality of through holes A (21) at intervals, the middle part of the outer wall (28) of the middle ring (8) surrounding the axle center of the middle ring (8) is provided with a plurality of half grooves A (23) at intervals, a plurality of cylindrical rollers A (7) with the same number as the plurality of half grooves A (23) are respectively and partially arranged in the plurality of half grooves A (23), one end of the inner wall (26) of the middle ring (8, the other end of the inner wall (26) of the middle ring (8) is provided with an annular half groove B (25), the side wall of the annular half groove B (25) is provided with a plurality of screw holes B (24) at intervals, one end of a retainer ring B (13) is provided with a flange B (14), the flange B (14) is provided with a plurality of through holes B (30) at intervals, the middle part of the outer wall (33) of the inner ring (10) surrounding the axis of the inner ring (10) is provided with a plurality of half grooves B (32) at intervals, a plurality of cylindrical rollers B (9) with the same number as the plurality of half grooves B (32) are respectively and partially arranged in the plurality of half grooves B (32), the outer ring (2) is sleeved outside the middle ring (8), one end parts of the retainer ring A (19) and the plurality of cylindrical rollers A (7) are contacted, the inner wall (18) of the outer ring is contacted with the plurality of cylindrical rollers A (7), one end of the retainer ring A (5) provided with an annular half groove A (17) along the outer, one end of a check ring A (5) is in contact with the other end parts of a plurality of cylindrical rollers A (7), a flanging A (4) is arranged in an annular half groove A (17), a plurality of screws A (3) are respectively in threaded connection with a plurality of screw holes A (16) after penetrating through a plurality of through holes A (21), a middle ring (8) is sleeved outside an inner ring (10), a check ring B (27) is in contact with one end parts of a plurality of cylindrical rollers B (9), the inner wall (26) of the middle ring is in contact with a plurality of cylindrical rollers B (9), one end, provided with an annular half groove B (25), of the check ring B (13) along the middle ring (8) is inserted into the middle ring (8), one end of the check ring B (13) is in contact with the other end parts of the plurality of cylindrical rollers B (9), a flanging B (14) is arranged in the annular half groove B (25), and a plurality of screws B (15) are respectively in threaded connection with a plurality of screw holes B (24) after penetrating through a plurality of through.

2. The double-layer cylindrical roller bearing according to claim 1, wherein: the outer wall (1) of the outer ring arranged on the outer ring (2) is of an annular plane structure.

3. The double-layer cylindrical roller bearing according to claim 2, wherein: 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-layer cylindrical roller bearing according to claim 1, wherein: the inner ring (10) is provided with an inner ring inner wall (11) which is of an annular plane structure.

5. The double-layer cylindrical roller bearing according to claim 4, wherein: the inner wall (11) of the inner ring (10) and two end faces of the inner ring (10) are in chamfer transition.

6. The double-layer cylindrical roller bearing according to claim 1, wherein: the two ends of the middle ring outer wall (28) of the middle ring (8) are respectively provided with a ring groove A (22), clamp springs A (6) are respectively sleeved in the two ring grooves A (22), the outer edge surface of one clamp spring A (6) is in contact with the inner wall of the baffle ring A (19), the outer edge surface of the other clamp spring A (6) is in contact with the inner wall of the retainer ring A (5), and the two clamp springs A (6) are respectively provided with a joint (34).

7. The double-layer cylindrical roller bearing according to claim 1, wherein: the inner ring of the automobile is characterized in that ring grooves B (31) are respectively formed in two ends of an outer wall (33) of the inner ring (10), clamp springs B (12) are respectively sleeved in the ring grooves B (31), the outer edge surface of one clamp spring B (12) is in contact with the inner wall of the retaining ring B (27), the outer edge surface of the other clamp spring B (12) is in contact with the inner wall of the retaining ring B (13), and connectors (34) are respectively arranged on the two clamp springs B (12).

8. The double-layer cylindrical roller bearing according to claim 1, wherein: one end of each of the through holes A (21) is provided with a neck expanding A (20), and the screw heads of the screws A (3) are arranged in the neck expanding A (20) respectively.

9. The double-layer cylindrical roller bearing according to claim 1, wherein: one end of each of the through holes B (30) is provided with a neck expanding B (29), and the screw heads of the screws B (15) are respectively arranged in the neck expanding B (29).

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