CN211599296U

CN211599296U - Double-row ball bearing

Info

Publication number: CN211599296U
Application number: CN202020275175.4U
Authority: CN
Inventors: 王晓明; 高传光; 邵元昭; 张延超; 彭松; 翟晓飞; 金卫卫; 范辉辉
Original assignee: Luoyang Heshuo Bearing Technology Co ltd
Current assignee: Luoyang Heshuo Bearing Technology Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-09-29
Anticipated expiration: 2030-03-09

Abstract

A double-row ball bearing relates to a rolling bearing, wherein two half outer rings (2) are oppositely arranged, so that two end faces of the two half outer rings (2) are respectively and oppositely provided with a trapezoidal half clamping groove (11) with a large opening and a small bottom, the trapezoidal half clamping grooves (11) are communicated with each other, two trapezoidal clamping rings (3) are respectively embedded into the two groups of trapezoidal half clamping grooves (11), so that the two half outer rings (2) form a circular ring to form an outer ring sleeved outside an inner ring (7), and a plurality of balls (5) are respectively and partially arranged in two groups of semi-ring circular grooves (10); the utility model discloses an arrange the biserial ball in the ball socket that the inner circle outer wall was equipped with to set up the outer lane into the structure that two halves outer lane combination formed, 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

Double-row ball bearing

Technical Field

The utility model relates to a antifriction bearing especially relates to a double-row 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-row 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-row 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-row 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, the bearing is severely damaged when the bearing oil is lacking 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 row ball bearing is through arranging the double row ball in the ball socket that the inner circle outer wall was equipped with to set up the outer lane into the structure that two halves outer lane combinations formed, 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 ball bearing comprises a half outer ring and an inner ring, wherein two semi-ring circular grooves are arranged in the middle of the inner wall of the half outer ring at intervals, two trapezoidal half clamping grooves are oppositely arranged on two end faces of the half outer ring, a plurality of ball sockets are arranged in the middle of the outer wall of the inner ring at intervals around the axis of the inner ring, the ball sockets are arranged in two rows at intervals, a plurality of balls with the same number as the two rows of ball sockets are respectively and partially arranged in the ball sockets, annular grooves are respectively arranged at two ends of the outer wall of the inner ring, clamp springs are respectively sleeved in the two annular grooves, outer edge surfaces of the two clamp springs are respectively contacted with two ends of the two half outer ring after the two half outer ring inner walls are combined, the two half outer rings are oppositely arranged, the two half outer rings are respectively communicated with the trapezoidal half clamping grooves with each other, the two trapezoidal clamping rings are respectively embedded in the two, the balls are respectively and partially arranged in the two groups of semi-ring circular grooves.

The outer walls of the two half outer rings of the double-row ball bearing are combined to form an annular plane structure.

The inner wall of the inner ring of the double-row ball bearing is of an annular plane structure.

The double-row 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-row ball bearing is characterized in that joints are respectively arranged on the two clamp springs.

The double-row ball bearing is characterized in that the trapezoidal half clamping groove and the trapezoidal clamping ring are in interference fit.

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

the double-row ball bearing of the utility model has the advantages that the double-row balls are arranged in the ball socket arranged on the outer wall of the inner ring, and the outer ring is arranged into a structure formed by combining two half outer rings, 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 half 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 trapezoidal snap ring of the present invention;

fig. 5 is a schematic structural diagram of the clamp spring 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; 4. the inner wall of the half outer ring; 5. a ball bearing; 6. the outer wall of the inner ring; 7. an inner ring; 8. the inner wall of the inner ring; 9. a clamp spring; 10. a semi-ring circular groove; 11. a trapezoidal half slot; 12. a ring groove; 13. a ball socket; 14. 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 ball bearing described by combining the attached figures 1-5 comprises a half outer ring 2 and an inner ring 7, wherein two semi-ring circular grooves 10 are arranged at the middle part of the inner wall 4 of the half outer ring 2 at intervals, two trapezoidal half clamping grooves 11 are oppositely arranged on the two end faces of the half outer ring 2, a plurality of ball sockets 13 are arranged in the middle part of the outer wall 6 of the inner ring 7 at intervals around the axis of the inner ring 7, the ball sockets 13 are arranged in two rows and at intervals, a plurality of balls 5 with the same number as the two rows of ball sockets 13 are respectively and partially arranged in the ball sockets 13, annular grooves 12 are respectively arranged at the two ends of the outer wall 6 of the inner ring 7, snap springs 9 are respectively sleeved in the two annular grooves 12, the outer edge faces of the two snap springs 9 are respectively contacted with the two ends of the two half outer wall 4 after being combined, the inner wall 8 of the inner ring 7 is of an annular plane structure, and chamfer, the half outer lane 2 is two, two half outer lanes 2 set up relatively and make two half outer lanes 2 respectively the opposite trapezoidal half draw-in groove 11 that the big end of mouth is little that is equipped with respectively link up each other, two trapezoidal snap rings 3 imbed respectively in two sets of trapezoidal half draw-in grooves 11 make two half outer lanes 2 enclose into a ring and form the outer lane and overlap in the inner circle 7 outside, be interference fit between trapezoidal half draw-in groove 11 and the trapezoidal snap ring 3, a plurality of ball 5 are partial respectively to be arranged in two sets of semi-ring circular grooves 10, the semi-outer lane outer wall 1 that two half outer lanes 2 were equipped with respectively merges and forms annular planar structure, be equipped with joint 14 on two jump rings 9.

When the double-row ball bearing of the utility model is used, proper bearing oil is coated in the two rows of ball sockets 13 arranged on the inner ring 7, then the balls 5 with the same quantity as the two rows of ball sockets 13 are respectively arranged in each ball socket 13, the two ring grooves 12 are respectively sleeved with clamp springs 9, the two half outer rings 2 are buckled outside the inner ring 7, so that the balls 5 are respectively and partially arranged in the two groups of semi-ring circular grooves 10, the outer edge surfaces of the two clamp springs 9 are respectively contacted with the two ends of the two half outer ring inner walls 4 after combination, the two half outer rings 2 are oppositely arranged, so that the large-opening-bottom trapezoidal semi-clamping grooves 11 which are respectively and oppositely arranged on the two end surfaces of the two half outer rings 2 are communicated with each other, the two trapezoidal clamping rings 3 are respectively embedded into the two groups of trapezoidal semi-clamping grooves 11 according to interference fit, the distance between the outer ring and the inner ring 7 is shortened as much as possible, and the purpose of preventing bearing oil smeared on the bearing from.

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

Claims

1. A double-row ball bearing is characterized in that: including half outer lane (2) and inner circle (7), be equipped with two halves ring slot (10) at half outer lane inner wall (4) middle part interval of half outer lane (2), be equipped with two trapezoidal half draw-in grooves (11) relatively at the both ends face of half outer lane (2), encircle the axle center interval equidistance of inner circle (7) at inner circle outer wall (6) middle part of inner circle (7) and be equipped with a plurality of ball sockets (13), a plurality of ball sockets (13) are two and set up at interval, and in a plurality of ball sockets (13) are arranged in respectively partly with a plurality of ball sockets (5) that two ball sockets (13) quantity are the same, be equipped with annular (12) respectively at inner circle outer wall (6) both ends of inner circle (7), cup jointed jump ring (9) respectively in two annular (12), the outer fringe face of two jump rings (9) contacts with the both ends after two halves outer lane inner wall (4) merge respectively, half outer lane (2) are two, two halves (2) set up relatively and make two halves (2) respectively the both ends face of two The trapezoidal half clamping grooves (11) are communicated with each other, the two trapezoidal clamping rings (3) are respectively embedded into the two groups of trapezoidal half clamping grooves (11) to enable the two half outer rings (2) to form a circular ring to form an outer ring to be sleeved outside the inner ring (7), and the plurality of balls (5) are respectively and partially arranged in the two groups of semi-ring circular grooves (10).

2. The double row 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 row ball bearing of claim 1, wherein: the inner ring (7) is provided with an inner ring inner wall (8) which is of an annular plane structure.

4. The double row ball bearing of claim 3, wherein: a chamfer transition is arranged between the inner wall (8) of the inner ring (7) and two end faces of the inner ring (7).

5. The double row ball bearing of claim 1, wherein: the two clamp springs (9) are respectively provided with a joint (14).

6. The double row ball bearing of claim 1, wherein: the trapezoidal half clamping groove (11) and the trapezoidal clamping ring (3) are in interference fit.