CN209761992U

CN209761992U - Single-row angular contact ball bearing capable of bearing bidirectional load

Info

Publication number: CN209761992U
Application number: CN201920486971.XU
Authority: CN
Inventors: 吴波
Original assignee: Luoyang Zhong Yue Precision Bearing Co Ltd
Current assignee: Luoyang Zhong Yue Precision Bearing Co Ltd
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2019-12-10
Anticipated expiration: 2029-04-11

Abstract

A single-row angular contact ball bearing capable of bearing bidirectional load is characterized in that a limiting ring is sleeved on the inner wall of a bearing outer ring, the limiting ring is positioned on one side, away from a cambered surface of the bearing outer ring, of a first ball, a cambered surface attached to the first ball is arranged at one end, facing the first ball, of the limiting ring, and the cambered surface of the limiting ring and the cambered surface of the bearing outer ring are symmetrically arranged about a radial section of the bearing containing the ball center of the first ball; install on the lateral wall of bearing inner race and spacing ring homonymy and keep off the ring, keep off the ring card and establish the one end that the spacing ring kept away from first ball and drop in order to prevent that the spacing ring from droing, keep off outside the lateral wall that the ring inboard extended the bearing inner race, keep off and correspond respectively on the lateral wall of ring and bearing inner race and seted up the round recess, the axis of recess all coincides with angular contact ball bearing's axis, a plurality of rolling second balls of groove can be followed to all having placed between two recesses, and establish the second ball through two recess cooperation cards and drop in order to avoid the second ball, thereby make single-row angular contact ball bearing can bear two-way load.

Description

Single-row angular contact ball bearing capable of bearing bidirectional load

Technical Field

The utility model relates to an angular contact ball bearing field especially relates to a can bear single-row angular contact ball bearing of two-way load.

Background

The single-row angular contact ball bearing is generally in a structure that an inner ring and an outer ring can be freely separated, can only bear axial load in one direction, can cause additional axial force when bearing radial load, and can only limit axial displacement of a shaft or a shell in one direction, and is widely applied to the fields of machine tool spindles, high-frequency motors, gas turbines, centrifugal separators and the like. In the prior art, when a bidirectional load needs to be borne, a double-row angular contact ball bearing is usually adopted, but the width of the double-row angular contact ball bearing is larger, so that the application range is not as wide as that of a single-row angular contact ball bearing; in the prior art, structures such as retaining rings can be adopted to prevent the inner ring and the outer ring of the single-row angular contact ball bearing from being separated, but displacement between the inner ring and the outer ring of the bearing cannot be strictly limited, and the single-row angular contact ball bearing cannot be used as a mode for enabling the single-row angular contact ball bearing to bear bidirectional axial load, so that the performance of the conventional single-row angular contact ball bearing in the aspect of bearing the bidirectional axial load is greatly insufficient, and the actual use requirement is difficult to meet.

SUMMERY OF THE UTILITY MODEL

For solving the inconvenient problem that bears two-way axial load of current single-row angular contact ball bearing, the utility model provides a can bear two-way load's single-row angular contact ball bearing.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a single-row angular contact ball bearing capable of bearing bidirectional load comprises a bearing outer ring, a bearing inner ring, a rolling body and a retainer, wherein the inner wall of the bearing outer ring is provided with a circle of cambered surface facing the bearing inner ring and deviated to one side of the bearing outer ring, the outer wall of the bearing inner ring is provided with a section of cambered surface facing the bearing outer ring and opposite to the cambered surface of the bearing outer ring, the rolling body is a plurality of first balls, all the first balls are arranged on the retainer, the bearing outer ring is arranged in a groove raceway formed by matching the cambered surface of the bearing outer ring and the cambered surface of the bearing inner ring, a limiting ring is sleeved on the inner wall of the bearing outer ring and is positioned on one side, away from the cambered surface of the bearing outer ring, of the first ball, the cambered surface attached to the first ball is arranged at one end, facing the first ball, of the limiting ring, and the cambered surface of the limiting ring and the cambered surface of the bearing outer ring are symmetrically arranged about a radial section of the bearing containing the spherical center of the first ball; install on the lateral wall of bearing inner race and spacing ring homonymy and keep off the ring, keep off the ring card and establish the one end that the spacing ring kept away from first ball and drop in order to prevent that the spacing ring from droing, keep off outside the lateral wall that the ring inboard extended the bearing inner race, keep off and correspond respectively on the lateral wall of ring and bearing inner race and seted up the round recess, the axis of recess all coincides with angular contact ball bearing's axis, a plurality of rolling second balls of groove along can all be placed between two recesses, and establish the second ball through two recess cooperation cards and drop in order to avoid the second ball, the diameter of second ball is less than half of first ball diameter.

Preferably, the diameter of the inner wall of the limit ring is equal to the diameter of the inner wall of the bearing outer ring on the side far away from the limit ring.

Preferably, the outer diameter of the baffle ring is not larger than that of the bearing outer ring.

preferably, the side wall of the baffle ring is parallel to the side wall of the bearing inner ring.

Preferably, the baffle ring is connected with the bearing outer ring through a plurality of bolts.

Preferably, the limiting ring and the baffle ring are of an integrally formed structure.

Preferably, the diameter of the second ball is one fifth of the diameter of the first ball.

According to the technical scheme, the beneficial effects of the utility model are that:

The utility model provides a pair of single-row angular contact ball bearing capable of bearing bidirectional load, establish first ball through spacing ring and bearing inner race cooperation card, the rethread keeps off the ring and withstands the displacement between spacing ring and bearing inner race just can restrict the bearing inner race simultaneously, and through set up the second ball between the lateral wall that keeps off ring and bearing inner race, make the fender ring can not influence the relative rotation and the use between the bearing inner race after the installation, thereby there is the problem in space between retaining ring and the bearing lateral wall when having avoided adopting retaining ring isotructure among the prior art, make single-row angular contact ball bearing capable of bearing bidirectional axial load, single-row angular contact ball bearing's performance and application scope have been promoted. Furthermore, because the utility model discloses well spacing ring and the laminating of first ball have so increased the contact angle of first ball in single-row angular contact ball bearing, and the big ability that angular contact ball bearing bore radial load of contact angle is just stronger, so the utility model discloses single-row angular contact ball bearing's radial bearing capacity has still been strengthened.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The labels in the figure are: 1. the bearing comprises a bearing outer ring, 2, a bearing inner ring, 3, a retainer, 4, a first ball, 5, a limiting ring, 6, a baffle ring, 7, a second ball, 8 and a bolt.

Detailed Description

referring to the drawings, the specific embodiments are as follows:

The utility model provides a can bear single-row angular contact ball bearing of two-way load, includes bearing inner race 1, bearing inner race 2, rolling element and holder 3, and the inner wall of bearing inner race 1 has the cambered surface of one side of the bearing inner race 2 and the skew bearing inner race of round orientation, and the outer wall of bearing inner race 2 has one section cambered surface towards bearing inner race 1 and relative with the cambered surface of bearing inner race 1, the rolling element is a plurality of first balls 4, and all first balls 4 are all installed on holder 3 to place in the slot raceway that the cambered surface of bearing inner race 1 and the cambered surface cooperation of bearing inner race 2 formed.

The inner wall of the bearing outer ring 1 is sleeved with a limiting ring 5, the limiting ring 5 is positioned on one side, away from the cambered surface of the bearing outer ring 1, of the first ball 4, the diameter of the inner wall of the limiting ring 5 is equal to the diameter of the inner wall, away from the limiting ring 5, of the bearing outer ring 1, one end, facing the first ball 4, of the limiting ring 5 is provided with a cambered surface attached to the first ball 4, and the cambered surface of the limiting ring 5 and the cambered surface of the bearing outer ring 1 are symmetrically arranged about a radial section of a bearing containing the spherical center of the first ball 4; install fender ring 6 through a plurality of bolts 8 on the lateral wall of bearing inner race 1 with the 5 homonymies of spacing ring, spacing ring 5 and fender ring 6 are integrated into one piece structure, thereby just can prevent that spacing ring 5 from droing through the fixed of fender ring 6, the external diameter of fender ring 6 is not more than bearing inner race 1's external diameter, fender ring 6 outside the inboard lateral wall that extends bearing inner race 2, the lateral wall of fender ring 6 is parallel with bearing inner race 2's lateral wall, it has seted up the round recess to correspond respectively on 6 and the bearing inner race 2's the lateral wall to keep off, the axis of recess all coincides with angular contact ball bearing's axis, a plurality of second ball 7 that can follow the recess rolling have all been placed between two recesses, and establish second ball 7 through two recess cooperation clamps and in order to avoid second ball 7 to drop, the diameter of second ball 7 is one fifth of the diameter of first ball 4.

Claims

1. The utility model provides a can bear single-row angular contact ball bearing of two-way load, includes bearing inner race (1), bearing inner race (2), rolling element and holder (3), the inner wall of bearing inner race (1) has the cambered surface of one side of the bearing inner race (2) and the partial pressure bearing inner race (1) of round orientation, and the outer wall of bearing inner race (2) has one section cambered surface relative towards bearing inner race (1) and with the cambered surface of bearing inner race (1), the rolling element is a plurality of first ball (4), and all first ball (4) are all installed on holder (3) to place in the slot raceway that the cambered surface of bearing inner race (2) and the cambered surface cooperation of bearing inner race (1) formed, its characterized in that: the bearing outer ring is characterized in that a limiting ring (5) is sleeved on the inner wall of the bearing outer ring (1), the limiting ring (5) is positioned on one side, away from the cambered surface of the bearing outer ring (1), of the first ball (4), the cambered surface attached to the first ball (4) is arranged at one end, facing the first ball (4), of the limiting ring (5), and the cambered surface of the limiting ring (5) and the cambered surface of the bearing outer ring (1) are symmetrically arranged about the radial section of a bearing containing the spherical center of the first ball (4); install on the lateral wall with spacing ring (5) homonymy of bearing inner race (1) and keep off ring (6), keep off ring (6) card and establish spacing ring (5) one end of keeping away from first ball (4) and drop in order to prevent that spacing ring (5) from, keep off ring (6) outside the lateral wall that extends bearing inner race (2) to the inboard side, it has seted up the round recess to correspond respectively on the lateral wall of fender ring (6) and bearing inner race (2), the axis of recess all coincides with angular contact ball bearing's axis, a plurality of rolling second ball (7) of groove can be followed have all been placed between two recesses, and it establishes second ball (7) in order to avoid second ball (7) to drop to block through two recess cooperations, the diameter of second ball (7) is less than half of first ball (4) diameter.

2. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the diameter of the inner wall of the limiting ring (5) is equal to the diameter of the inner wall of the bearing outer ring (1) far away from one side of the limiting ring (5).

3. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the outer diameter of the baffle ring (6) is not larger than that of the bearing outer ring (1).

4. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the side wall of the baffle ring (6) is parallel to the side wall of the bearing inner ring (2).

5. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the baffle ring (6) is connected with the bearing outer ring (1) through a plurality of bolts (8).

6. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the limiting ring (5) and the baffle ring (6) are of an integrally formed structure.

7. The single row angular contact ball bearing capable of withstanding bi-directional loads of claim 1, wherein: the diameter of the second ball (7) is one fifth of the diameter of the first ball (4).