CN216975509U

CN216975509U - Self-aligning ball bearing

Info

Publication number: CN216975509U
Application number: CN202220317400.5U
Authority: CN
Inventors: 陶雪龙
Original assignee: Quanzhou Shenyuan Machine Manufacturing Co ltd
Current assignee: Quanzhou Shenyuan Machine Manufacturing Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-07-15
Anticipated expiration: 2032-02-16

Abstract

The utility model relates to the technical field of bearings and discloses a self-aligning ball bearing which comprises an inner ring, wherein a first ball is movably connected inside the inner ring, a second ball is movably connected inside the inner ring, an outer ring is movably connected on the outer wall of the first ball, a third ball is movably connected inside the outer ring, a flow groove is formed inside the outer ring, a protection ring is movably connected inside the outer ring, a clamping groove is formed in the outer wall of the outer ring, a clamping block is movably connected inside the clamping groove, and a dustproof pad is fixedly arranged on the outer wall of the clamping block. This self-aligning ball bearing can make the device have good intensity, can further reduce wearing and tearing through mutual roll between the three ball to can restrict the angle of deflecting, the person of facilitating the use installs, and more stable when the device uses, make the life of device obtain promoting, it is convenient to have brought for user's use, makes the practicality of device obtain promoting.

Description

Self-aligning ball bearing

Technical Field

The utility model relates to the technical field of bearings, in particular to a self-aligning ball bearing.

Background

The self-aligning ball bearing has two structures of cylindrical hole and conical hole, and the retainer is made of steel plate, synthetic resin, etc. and features its spherical outer ring raceway, automatic aligning property and capacity of compensating the error caused by non-concentricity and shaft deflection, but the relative inclination of the inner and outer rings must not exceed 3 deg.

When the existing self-aligning ball bearing is not installed, the inner ring can rotate 180 degrees in the outer ring, but when the self-aligning ball bearing is used, because the relative gradient of the inner ring and the outer ring does not exceed 3 degrees, the device needs to be correspondingly limited between the inner ring and the outer ring, so that the device is troublesome to install, the abrasion between the inner ring and the outer ring is easily accelerated, the strength is low, the service life of the device is short, and the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a self-aligning ball bearing which has the advantages of long service life and the like and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose of long service life, the utility model provides the following technical scheme: a self-aligning ball bearing comprises an inner ring, wherein a first ball is movably connected inside the inner ring, a second ball is movably connected inside the inner ring, an outer ring is movably connected to the outer wall of the first ball, and a third ball is movably connected inside the outer ring;

the mobile groove has been seted up to the inside of outer loop, the inside swing joint of outer loop has the protection ring, the draw-in groove has been seted up to the outer wall of outer loop, the inside swing joint of draw-in groove has the fixture block, the outer wall fixed mounting of fixture block has dustproof the pad, can make the device have good intensity, through the mutual reduction wearing and tearing that roll between the three ball can be further to can restrict the angle of deflecting, the person of facilitating the use installs to more stability when the device uses, thereby make the life of device obtain promoting, it is convenient to have brought for user's use, makes the practicality of device obtain promoting.

Preferably, the outer wall of the second ball is movably connected with the inner wall of the outer ring, and the inner wall of the outer ring is in an arc shape with a concave middle part, so that the inner ring can deflect in the outer ring conveniently.

Preferably, the number of the third balls is a plurality of, and the third balls are distributed in the outer ring at equal intervals, so that the third balls are stressed uniformly, and the friction during rotation can be reduced.

Preferably, the fixture block is connected with the clamping groove in a clamping mode, the outer wall of the fixture block is tightly attached to the inner wall of the clamping groove, and a user can detach and install the dustproof pad conveniently.

Preferably, the protection ring is provided with a rectangular opening, and the inner wall of the protection ring is tightly attached to the outer wall of the outer ring, so that oil can be injected into the flow groove through the rectangular opening conveniently.

Preferably, the inner wall fixed mounting of inner ring has interior stopper, the outer wall fixed mounting of outer loop has outer stopper, is convenient for carry out the joint through interior stopper and outer stopper with between device and the external structure, avoids connecting the back and produces the dislocation.

Preferably, the number of the inner limiting blocks is two, and the two inner limiting blocks are symmetrically arranged by taking the horizontal central line of the inner ring as a symmetry axis, so that the device has a better limiting effect.

(III) advantageous effects

Compared with the prior art, the utility model provides a self-aligning ball bearing, which has the following beneficial effects:

1. this self-aligning ball bearing, inner ring through setting up, first ball, second ball, outer loop and third ball, can be so that the device has good intensity, through the mutual reduction wearing and tearing that roll between the three ball can be further, and can restrict the angle of deflecting, the person of facilitating the use installs, and more stability when the device uses, thereby make the life of device obtain promoting, it is convenient to have brought for user's use, make the practicality of device obtain promoting.

2. This self-aligning ball bearing through outer loop, flow groove, protection ring, draw-in groove, fixture block and the dustproof pad that sets up, can make the device be convenient for maintain the device with the maintenance to inside additional lubricating oil, the convenience to the device has better dustproof effect, thereby is convenient for protect the inside of device, and the friction increase and the wearing and tearing that avoid inside entering dust to lead to increase with higher speed, thereby makes the suitability of device obtain promoting.

3. This self-aligning ball bearing through inner ring, first ball, second ball, outer loop, third ball, flowing groove, protection ring, draw-in groove, fixture block, dustproof pad, outer stopper and the interior stopper that sets up, can make the device have good spacing effect to the person of facilitating the use installs it, avoids taking place the dislocation rotation with the position of being connected after the use, thereby further promotion the stability of device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the connection structure of the outer ring and the third balls according to the present invention;

fig. 4 is a schematic view of a connection structure of the card slot and the outer ring of the present invention.

In the figure: 1. an inner ring; 2. a first ball bearing; 3. a second ball bearing; 4. an outer ring; 5. a third ball bearing; 6. a flow channel; 7. a guard ring; 8. a card slot; 9. a clamping block; 10. a dust-proof pad; 11. an outer stop block; 12. an inner limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a self-aligning ball bearing includes an inner ring 1, a first ball 2 movably connected to the inner ring 1, a second ball 3 movably connected to the inner ring 1, an outer ring 4 movably connected to the outer wall of the first ball 2, and a third ball 5 movably connected to the inner ring 4;

the inner part of the outer ring 4 is provided with a flow groove 6, the inner part of the outer ring 4 is movably connected with a protection ring 7, the outer wall of the outer ring 4 is provided with a clamping groove 8, the inner part of the clamping groove 8 is movably connected with a clamping block 9, the outer wall of the clamping block 9 is fixedly provided with a dustproof pad 10, the inner ring 1, the first ball 2, the second ball 3, the outer ring 4 and the third ball 5 are arranged, so that the device has good strength, the abrasion can be further reduced through the mutual rolling among the three balls, the deflection angle can be limited, the device is convenient to install by a user, and is more stable when in use, so that the service life of the device is prolonged, the use of the user is convenient, the practicability of the device is improved, the outer wall of the second ball 3 is movably connected with the inner wall of the outer ring 4, the inner wall of the outer ring 4 is in a shape of a concave middle part, the inner ring 1 can be conveniently deflected in the outer ring 4, the number of the third balls 5 is a plurality, and the plurality of third balls 5 are distributed in the outer ring 4 in an equidistant circumference manner, so that the third balls 5 are uniformly stressed, the friction during rotation can be reduced, the clamping block 9 is connected with the clamping groove 8 in a clamping manner, the outer wall of the clamping block 9 is tightly attached to the inner wall of the clamping groove 8, a user can conveniently detach and install the dustproof pad 10, the protection ring 7 is provided with a rectangular opening, the inner wall of the protection ring 7 is tightly attached to the outer wall of the outer ring 4, the oil can be conveniently injected into the flow groove 6 through the rectangular opening, the device can conveniently add lubricating oil into the inner part through the arranged outer ring 4, the flow groove 6, the protection ring 7, the clamping groove 8, the clamping block 9 and the dustproof pad 10, the maintenance and the maintenance of the device are convenient, and the device has better dustproof effect, thereby being convenient for protecting the inner part of the device, the friction increase and the abrasion acceleration caused by the dust entering the inner part are avoided, so that the applicability of the device is improved, the inner wall of the inner ring 1 is fixedly provided with the inner limiting blocks 12, the outer wall of the outer ring 4 is fixedly provided with the outer limiting blocks 11, the device is conveniently clamped with an external structure through the inner limiting blocks 12 and the outer limiting blocks 11, the dislocation after the connection is avoided, the number of the inner limiting blocks 12 is two, and the two inner limiting blocks 12 are symmetrically arranged by taking the horizontal central line of the inner ring 1 as a symmetry axis, so that the device has a good limiting effect, the device can have a good limiting effect through the arranged inner ring 1, the first ball 2, the second ball 3, the outer ring 4, the third ball 5, the flowing groove 6, the protecting ring 7, the clamping groove 8, the clamping block 9, the dustproof pad 10, the outer limiting blocks 11 and the inner limiting blocks 12, so that a user can conveniently install the device, the dislocation and rotation of the connecting part after use are avoided, so that the stability of the device is further improved.

When the device is used, the connecting shaft is inserted into the inner ring 1, the inner limiting block 12 is clamped and limited with the outer wall of the connecting shaft, dislocation between the connecting shaft and the inner ring 1 is avoided, the outer limiting block 11 is clamped and connected with an external bracket or a fixing seat, so that the stability of the outer ring 4 is improved, the dislocation is avoided, when the device works, the first ball 2 and the second ball 3 roll, the inner ring 1 rotates, when a relative inclination angle is generated between the inner ring 1 and the outer ring 4, the first ball 2 and the second ball 3 roll along the inner wall of the outer ring 4, so that the first ball 2 or the second ball 3 is contacted with the outer wall of the third ball 5, the third ball 5 can limit the first ball 2 or the second ball 3, when the inner ring 1 rotates, the first ball 2 or the second ball 3 rolls on the outer wall of the third ball 5, the third ball 5 rolls in the inner ring 1, so as to reduce the friction force, can block that outside dust gets into between inner ring 1 and the outer ring 4 through dustproof pad 10, when needs are dismantled dustproof pad 10, can accomplish the dismantlement through the separation of draw-in groove 8 and fixture block 9 to add lubricating oil to the inside of inner ring 1 and outer ring 4, through inside oiling to the opening of junction in protection ring 7 and the outer ring 4, inner ring 1 rotates, make first ball 2 or second ball 3 and third ball 5 rotate, make oil flow in the inside of flowing groove 6, thereby even the outside at third ball 5 of being covered with.

In conclusion, the self-aligning ball bearing has good strength, can further reduce abrasion by mutual rolling of three balls, can limit the deflection angle, is convenient for a user to install, is more stable when in use, prolongs the service life of the device, brings convenience to the user to use, improves the practicability of the device, is convenient for adding lubricating oil into the device, is convenient for maintaining and maintaining the device, has good dustproof effect, is convenient for protecting the inside of the device, avoids friction increase and abrasion acceleration caused by dust entering the inside, improves the applicability of the device, has good limiting effect, is convenient for the user to install the device, avoids dislocation and rotation with a connecting part after use, thereby further improving the stability of the device.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A self-aligning ball bearing, includes inner ring (1), its characterized in that: a first ball (2) is movably connected inside the inner ring (1), a second ball (3) is movably connected inside the inner ring (1), an outer ring (4) is movably connected to the outer wall of the first ball (2), and a third ball (5) is movably connected inside the outer ring (4);

the dustproof cover is characterized in that a flow groove (6) is formed in the outer ring (4), a protection ring (7) is movably connected to the inner portion of the outer ring (4), a clamping groove (8) is formed in the outer wall of the outer ring (4), a clamping block (9) is movably connected to the inner portion of the clamping groove (8), and a dustproof pad (10) is fixedly mounted on the outer wall of the clamping block (9).

2. A self-aligning ball bearing according to claim 1, wherein: the outer wall of the second ball (3) is movably connected with the inner wall of the outer ring (4), and the inner wall of the outer ring (4) is arc-shaped with a concave middle part.

3. A self-aligning ball bearing according to claim 1, wherein: the number of the third balls (5) is a plurality, and the third balls (5) are distributed in the outer ring (4) at equal intervals in a circumferential mode.

4. A self-aligning ball bearing according to claim 1, wherein: the clamping block (9) is connected with the clamping groove (8) in a clamping mode, and the outer wall of the clamping block (9) is tightly attached to the inner wall of the clamping groove (8).

5. A self-aligning ball bearing according to claim 1, wherein: the protection ring (7) is provided with a rectangular opening, and the inner wall of the protection ring (7) is tightly attached to the outer wall of the outer ring (4).

6. A self-aligning ball bearing according to claim 1, wherein: the inner wall fixed mounting of inner ring (1) has interior stopper (12), the outer wall fixed mounting of outer ring (4) has outer stopper (11).

7. The self-aligning ball bearing according to claim 6, wherein: the number of the inner limiting blocks (12) is two, and the two inner limiting blocks (12) are symmetrically arranged by taking the horizontal central line of the inner ring (1) as a symmetry axis.