CN211599295U - A cylindrical roller bearing - Google Patents

Abstract

A cylindrical roller bearing relates to a rolling bearing, and a plurality of cylindrical rollers (7) with the same number of semicircular grooves (14) are respectively partially placed in the plurality of semicircular grooves (14), and the outer ring (2) is sleeved Outside the inner ring (8), the retaining ring (13) is in contact with one end portion of the plurality of cylindrical rollers (7), the inner wall (12) of the outer ring is in contact with the plurality of cylindrical rollers (7), the retaining ring (5) ) along the outer ring (2) with one end of the annular half groove (11) inserted into the outer ring (2), one end of the retaining ring (5) is in contact with the other end parts of the plurality of cylindrical rollers (7); By placing the cylindrical roller in the semicircular groove provided on the outer wall of the inner ring, and setting the outer ring as a combined structure, the distance between the outer ring and the inner ring is shortened as much as possible, and the bearing oil applied on the bearing is prevented from leaking. The purpose of being easily thrown out when running at high speed.

Description

A cylindrical roller bearing

technical field

The utility model relates to a rolling bearing, in particular to a cylindrical roller bearing.

Background technique

Bearing is an important part of contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy; Alloy steel balls are installed in the middle of the inner steel ring and the outer steel ring. Traditional cylindrical roller bearings generally use cages to separate the cylindrical rollers, and use the cylindrical roller rolling method to reduce the friction during the power transmission process and improve the mechanical power. Due to the limitation of the size of the cage, the interval between the inner ring and the outer ring of the cylindrical roller bearing is large, and the bearing oil applied to the bearing is easily thrown out during high-speed operation, so that the bearing is short of bearing. Serious mechanical damage occurs when the oil is running at high speed, which affects the life of the bearing.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies in the background technology, the utility model discloses a cylindrical roller bearing. By placing the cylindrical roller in the semicircular groove provided on the outer wall of the inner ring, and setting the outer ring as a combined structure, the outer ring and the inner The distance between the rings is shortened as much as possible, which realizes the purpose of preventing the bearing oil applied to the bearing from being easily thrown out during high-speed operation.

In order to achieve the purpose of the invention, the utility model adopts the following technical solutions:

A cylindrical roller bearing comprises an outer ring, a retaining ring and an inner ring, a retaining ring is arranged at one end of the inner wall of the outer ring of the outer ring, an annular half groove is arranged at the other end of the inner wall of the outer ring of the outer ring, and a side wall of the annular half groove is arranged A plurality of screw holes are arranged at intervals on the upper part, a flange is arranged at one end of the retaining ring, a plurality of perforations are arranged at intervals on the flange, and a plurality of semicircles are arranged at intervals around the axis of the inner ring in the middle of the outer wall of the inner ring of the inner ring. The grooves, and the plurality of cylindrical rollers with the same number of semicircular grooves are partially placed in the plurality of semicircular grooves respectively, the outer ring is sleeved outside the inner ring, the retaining ring is in contact with one end part of the plurality of cylindrical rollers, and the inner wall of the outer ring is in contact with the outer ring. A plurality of cylindrical rollers are in contact, the retaining ring is inserted into the outer ring along one end of the outer ring with an annular half groove, one end of the retaining ring is in contact with the other end of the plurality of cylindrical rollers, and the flanging is placed in the annular half groove , a plurality of screws pass through a plurality of perforations and are respectively screwed with a plurality of screw holes.

In the cylindrical roller bearing, the outer wall of the outer ring provided on the outer ring is an annular plane structure.

In the cylindrical roller bearing, a chamfer transition is set between the outer wall of the outer ring of the outer ring and the two end surfaces of the outer ring.

In the cylindrical roller bearing, the inner wall of the inner ring provided on the inner ring is an annular plane structure.

In the cylindrical roller bearing, a chamfer transition is set between the inner wall of the inner ring of the inner ring and the two end surfaces of the inner ring.

In the cylindrical roller bearing, ring grooves are respectively provided at both ends of the outer wall of the inner ring of the inner ring, and circlips are respectively sleeved in the two ring grooves, and the outer edge surface of one circlip is in contact with the inner wall of the retaining ring. The outer edge surface of the other circlip is in contact with the inner wall of the retaining ring.

In the cylindrical roller bearing, joints are respectively provided on the two retaining springs.

In the cylindrical roller bearing, expanding necks are respectively provided at one end of the plurality of through holes, and the screw heads provided by the plurality of screws are respectively placed in the plurality of expanding necks.

Owing to adopting the above-mentioned technical scheme, the utility model has the following beneficial effects:

In the cylindrical roller bearing of the utility model, the distance between the outer ring and the inner ring is shortened as much as possible by placing the cylindrical roller in the semicircular groove provided on the outer wall of the inner ring, and setting the outer ring as a combined structure. The purpose of preventing the bearing oil smeared on the bearing from being easily thrown out during high-speed operation is realized; the utility model has novel and unique design, strong practicability, energy saving and consumption reduction, and has great market promotion value.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the outer ring of the utility model;

Fig. 3 is the structural representation of the inner ring of the utility model;

Fig. 4 is the structural representation of the retaining ring of the utility model;

Fig. 5 is the three-dimensional structure schematic diagram of the retaining ring of the utility model;

FIG. 6 is a schematic structural diagram of the circlip of the present invention.

In the picture: 1. Outer wall of outer ring; 2. Outer ring; 3. Screws; 4. Flanging; 5. Retaining ring; 6. Circlip; 7. Cylindrical roller; 8. Inner ring; 9. Inner wall of inner ring; 10, screw hole; 11, annular half groove; 12, inner wall of outer ring; 13, retaining ring; 14, semicircular groove; 15, outer wall of inner ring; 16, ring groove; 17, neck expansion; 18, perforation; 19, joint .

Detailed ways

The present utility model can be explained in more detail through the following examples, the present utility model is not limited to the following examples, and the purpose of disclosing the present utility model is to protect all changes and improvements within the scope of the present utility model;

The cylindrical roller bearing described in conjunction with the accompanying drawings 1 to 6 includes an outer ring 2, a retaining ring 5 and an inner ring 8. The outer ring outer wall 1 provided on the outer ring 2 is an annular plane structure, and the outer ring outer wall of the outer ring 2 has an outer ring structure. 1 and the two end faces of the outer ring 2 are provided with chamfering transitions, a retaining ring 13 is provided at one end of the inner wall 12 of the outer ring 2, and an annular half groove 11 is provided at the other end of the inner wall 12 of the outer ring 2. The side wall of the half groove 11 is provided with a plurality of screw holes 10 at intervals, one end of the retaining ring 5 is provided with a flange 4, and a plurality of perforations 18 are provided on the flange 4 at intervals. 9 is a ring-shaped plane structure, the inner wall 9 of the inner ring 8 and the two end faces of the inner ring 8 are provided with chamfering transitions, and the center of the inner ring outer wall 15 of the inner ring 8 is spaced around the axis of the inner ring 8. A plurality of semicircular grooves 14, and a plurality of cylindrical rollers 7 having the same number as the plurality of semicircular grooves 14 are respectively partially placed in the plurality of semicircular grooves 14, the outer ring 2 is set outside the inner ring 8, the retaining ring 13 and the plurality of cylindrical rollers One end of the roller 7 is in contact, the inner wall 12 of the outer ring is in contact with the plurality of cylindrical rollers 7, the end of the retaining ring 5 with the annular half groove 11 along the outer ring 2 is inserted into the outer ring 2, and one end of the retaining ring 5 is connected to the plurality of cylindrical rollers 7. The other end portions of the cylindrical rollers 7 are in contact with each other, the flange 4 is placed in the annular half-groove 11 , the plurality of screws 3 pass through the plurality of through holes 18 and then are screwed with the plurality of screw holes 10 respectively. One end is respectively provided with expanding necks 17 , the screw heads provided by the plurality of screws 3 are respectively placed in the plurality of expanding necks 17 , the two ends of the outer wall 15 of the inner ring of the inner ring 8 are respectively provided with annular grooves 16 . There are circlips 6 respectively sleeved inside, the outer edge surface of one circlip 6 is in contact with the inner wall of the retaining ring 13, and the outer edge surface of the other circlip 6 is in contact with the inner wall of the retaining ring 5, on the two circlips 6 Connectors 19 are respectively provided.

To implement the cylindrical roller bearing of the present invention, when in use, smear appropriate bearing oil in the semicircular groove 14 provided in the inner ring 8, and then place the same number of cylindrical rollers 7 as the semicircular groove 14 in each. In the semicircular groove 14, the retaining rings 6 are respectively sleeved in the two ring grooves 16, and the outer ring 2 is sleeved outside the inner ring 8, so that the retaining ring 13 is in contact with one end of the plurality of cylindrical rollers 7, and the inner wall 12 of the outer ring In contact with the plurality of cylindrical rollers 7, insert the end of the retaining ring 5 with the annular half groove 11 along the outer ring 2 into the outer ring 2, so that one end of the retaining ring 5 is in contact with the other end of the plurality of cylindrical rollers 7. contact, the flange 4 is placed in the annular half groove 11, the outer edge surface of one circlip 6 is in contact with the inner wall of the retaining ring 13, and the outer edge surface of the other circlip 6 is in contact with the inner wall of the retaining ring 5. A screw 3 passes through a plurality of through holes 18 and then is screwed with a plurality of screw holes 10 respectively, so as to shorten the distance between the outer ring 2 and the inner ring 8 as much as possible, so as to prevent the bearing oil applied to the bearing from being easily damaged during high-speed operation. The purpose of throwing out.

The part not described in detail in this utility model is the prior art.

Claims (8)

1. A cylindrical roller bearing, characterized in that it comprises an outer ring (2), a retaining ring (5) and an inner ring (8), and a retaining ring ( 13), the other end of the inner wall (12) of the outer ring of the outer ring (2) is provided with an annular half-groove (11), and a plurality of screw holes (10) are provided at intervals on the side wall of the annular half-groove (11). One end of the ring (5) is provided with a flange (4), a plurality of perforations (18) are arranged on the flange (4) at intervals, and the inner ring (8) is surrounded by the inner ring outer wall (15) in the middle of the inner ring (8). ) are provided with a plurality of semicircular grooves (14) at intervals, and a plurality of cylindrical rollers (7) having the same number as the plurality of semicircular grooves (14) are respectively partially placed in the plurality of semicircular grooves (14), and the outer ring ( 2) Set on the outside of the inner ring (8), the retaining ring (13) is in contact with one end part of the plurality of cylindrical rollers (7), and the inner wall (12) of the outer ring is in contact with the plurality of cylindrical rollers (7), blocking the The ring (5) is inserted into the outer ring (2) along the end of the outer ring (2) with the annular half groove (11), and one end of the retaining ring (5) is in contact with the other end portions of the plurality of cylindrical rollers (7). , the flange (4) is placed in the annular half-groove (11), and the plurality of screws (3) pass through the plurality of through holes (18) and then are screwed with the plurality of screw holes (10) respectively. 2 . The cylindrical roller bearing according to claim 1 , wherein the outer ring outer wall ( 1 ) provided on the outer ring ( 2 ) is an annular plane structure. 3 . 3 . The cylindrical roller bearing according to claim 2 , wherein a chamfer transition is set between the outer wall ( 1 ) of the outer ring ( 2 ) and the two end faces of the outer ring ( 2 ). 4 . 4. The cylindrical roller bearing according to claim 1, characterized in that: the inner ring inner wall (9) provided on the inner ring (8) is an annular plane structure. 5 . The cylindrical roller bearing according to claim 4 , wherein a chamfer transition is set between the inner wall ( 9 ) of the inner ring ( 8 ) and the two end faces of the inner ring ( 8 ). 6 . 6 . The cylindrical roller bearing according to claim 1 , wherein the two ends of the inner ring outer wall ( 15 ) of the inner ring ( 8 ) are respectively provided with ring grooves ( 16 ), and the two ring grooves ( 16 ) are in the two ring grooves ( 16 ). The circlips (6) are respectively sleeved, the outer edge surface of one circlip (6) is in contact with the inner wall of the retaining ring (13), and the outer edge surface of the other circlip (6) is in contact with the inner wall of the retaining ring (5). contact. 7 . The cylindrical roller bearing according to claim 6 , wherein a joint ( 19 ) is respectively provided on the two retaining springs ( 6 ). 8 . 8 . The cylindrical roller bearing according to claim 1 , characterized in that: expanding necks ( 17 ) are respectively provided at one end of the plurality of through holes ( 18 ), and the screw heads provided by the plurality of screws ( 3 ) are respectively placed in Multiple dilated necks (17).

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