Single-row angular contact ball bearing

By installing dustproof plates on the outer sides of the inner and outer rings of a single-row angular contact ball bearing and creating a fixing groove on the outer ring surface, the wear problem caused by dust ingress is solved using the fixing plate and universal ball structure, thus improving the stability and safety of the bearing.

CN224107570UActive Publication Date: 2026-04-10NANJING BEARING
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING BEARING
Filing Date
2025-06-17
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

In existing single-row angular contact ball bearings, external dust can easily enter the raceway through the gap between the outer and inner rings during use, causing wear on the balls and raceways and affecting the normal operation of the bearing.

Method used

Dustproof plates are installed on the inner and outer sides of the outer ring, and fixing grooves are opened on the surface of the outer ring. The dustproof plates are fixed by fixing plates. The inner side of the dustproof plates is equipped with protrusions and universal balls to prevent dust from entering and improve installation stability and safety.

Benefits of technology

It effectively prevents dust from entering the bearing, reduces wear on the balls and raceways, and improves the stability and safety of the bearing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224107570U_ABST
    Figure CN224107570U_ABST
Patent Text Reader

Abstract

The utility model discloses a single-row angular contact ball bearing which comprises an outer ring, an inner ring and a dustproof plate, the inner ring is arranged on the inner side of the outer ring, a retainer is arranged between the inner ring and the outer ring, a plurality of balls are arranged on the retainer, four fixing grooves distributed at equal intervals are formed in the outer wall of the outer ring, a fixing plate is arranged in each fixing groove through a bolt, and the dustproof plate is arranged on the outer wall of the outer ring. The two side walls of the outer ring are each provided with an insertion hole, and the insertion holes communicate with the fixing grooves. The dustproof plates are mounted on the outer sides of the inner ring and the outer ring to prevent dust from entering from the joint of the inner ring and the outer ring, the fixing grooves are formed in the surface of the outer ring, the fixing plates are mounted in the fixing grooves, the dustproof plates are fixedly mounted through the fixing plates, the mounting stability of the dustproof plates is improved, and the service life of the dustproof plates is prolonged. The problem that the dustproof plates fall off in the using process is avoided, the protruding blocks and the universal balls are arranged on the inner side walls of the dustproof plates, influences caused by installation of the dustproof plates on rotation of the inner ring and the outer ring can be avoided, and the using stability and safety of the bearing are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, concretely is a single row angular contact ball bearing. BACKGROUND

[0002] Single row angular contact ball bearing can only bear one direction's axial load. When this kind of bearing bears pure radial load, since the rolling body load action line and radial load action line are not in the same radial plane, internal axial component force is generated, so it must be installed in pairs and used.

[0003] The existing single row angular contact ball bearing is easy to enter the raceway from the gap between the outer ring and the inner ring in the process of using, which can cause the wear of the ball and the raceway, and affect the normal operation of the bearing. Therefore, a single row angular contact ball bearing is provided. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a single row angular contact ball bearing, which solves the problem that the existing single row angular contact ball bearing is easy to enter the raceway from the gap between the outer ring and the inner ring in the process of using, which can cause the wear of the ball and the raceway, and affect the normal operation of the bearing.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model is realized by the following technical scheme: a single row angular contact ball bearing, comprising an outer ring, an inner ring and a dust plate, the inner ring is arranged on the inner side of the outer ring, and a retainer is arranged between the inner ring and the outer ring, a plurality of balls are arranged on the retainer, four fixed grooves are formed on the outer wall of the outer ring, a fixed plate is arranged in the fixed groove through a bolt, a plug hole is formed on the two side walls of the outer ring, the plug hole is communicated with the fixed groove, the dust plate is arranged in a ring structure and symmetrically arranged on the two sides of the outer ring and the inner ring, a plug is arranged on the opposite edge of the two dust plates, the end of the plug penetrates through the plug hole and extends into the fixed groove, and the top surface of the plug and the bottom surface of the fixed plate are provided with fixed teeth.

[0008] As a further preferred mode of the utility model, a support table is arranged in the fixed groove, a screw pipe is arranged in the middle of the support table, the screw pipe is connected with the bolt in the middle of the fixed plate, and the top surface of the support table is connected with the bottom surface of the plug.

[0009] As a further preferred mode of the utility model, a rubber pad I is bonded on the inner wall of the dust plate, the rubber pad I is connected with the outer wall of the outer ring, and a rubber pad II is further bonded on the top surface of the plug and the bottom surface of the fixed plate.

[0010] As a further preferred mode of the utility model, the fixed tooth is a right angle trapezoidal structure, the fixed tooth of the fixed plate bottom and the fixed tooth of the plug plate top are opposite in the direction of the inclined surface, and the fixed tooth of the plug plate top is inclined towards the solenoid.

[0011] As a further preferred mode of the utility model, the outer wall of the inner ring is provided with a groove, the groove is annular structure, the surface of the dustproof plate is formed with a protruding block, and the end of the protruding block extends into the groove.

[0012] As a further preferred mode of the utility model, the end of the protruding block is provided with a universal ball.

[0013] (Three) beneficial effects

[0014] The utility model provides a single row angular contact ball bearing. Have following beneficial effects:

[0015] The utility model discloses a dustproof plate is installed on the outside of the inner ring and the outer ring to avoid dust from the connecting place of the inner ring and the outer ring, a fixed groove is formed on the surface of the outer ring, a fixed plate is installed in the fixed groove, and the fixed plate is used to fix and install the dustproof plate, so that the stability of the dustproof plate installation is improved, the problem of the dustproof plate falling off in the use process is avoided, the protruding block and the universal ball are arranged on the inner side wall of the dustproof plate, the installation of the dustproof plate can avoid affecting the rotation of the inner ring and the outer ring, and the stability and safety of bearing use are improved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is external structure diagram of single row angular contact ball bearing of the utility model;

[0017] Figure 2 It is internal structure diagram of single row angular contact ball bearing of the utility model;

[0018] Figure 3 It is Figure 2 The enlarged view of A area in

[0019] Figure 4 It is the enlarged view of A area in Figure 2

[0020] In the drawing: 1, outer ring;2, fixed plate;3, fixed groove;4, dustproof plate;5, inner ring;6, ball;7, retainer;8, rubber pad one;9, rubber pad two;10, support table;11, solenoid;12, fixed tooth;13, plug plate;14, plug hole;15, universal ball;16, groove;17, protruding block. SPECIFIC IMPLEMENTATION

[0021] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The utility model discloses an embodiment provides a technical scheme: a single row angular contact ball bearing, including outer ring 1, inner race 5 and dustproof plate 4, inner race 5 is placed in the inside of outer ring 1 and is installed with retainer 7 between inner race 5 and outer ring 1, be provided with a plurality of ball 6 on retainer 7, four equidistant distribution's fixed groove 3 are seted up on the outer wall of outer ring 1, and the inside of fixed groove 3 is installed with fixed plate 2 through bolt, the both sides wall of outer ring 1 is seted up with insertion hole 14 respectively and insertion hole 14 is communicated with fixed groove 3, dustproof plate 4 is annular structure and is symmetrically seted up in the both sides of outer ring 1 and inner race 5, dustproof plate 4 can avoid dust from the connecting place of inner race 5 and outer ring 1 into the bearing inside, and the opposite side edge of two dustproof plates 4 is provided with plugboard 13 respectively, the end of plugboard 13 penetrates insertion hole 14 and extends to fixed groove 3, and the top surface of plugboard 13 and the bottom surface of fixed plate 2 are all provided with fixed tooth 12, and two groups of fixed tooth 12 can avoid plugboard 13 to move after being connected, improve installation stability.

[0023] Further improvement, the inside of fixed groove 3 is provided with support platform 10, the middle part of support platform 10 is installed with screw pipe 11, and screw pipe 11 is connected with the bolt in the middle part of fixed plate 2, the top surface of support platform 10 is connected with the bottom surface of plugboard 13, and support platform 10 supports the end of plugboard 13.

[0024] Further improvement, the inner wall of dustproof plate 4 is bonded with rubber pad one 8, the rubber pad one 8 is connected with the outer wall of outer ring 1, and the top surface of plugboard 13 and the bottom surface of fixed plate 2 are also bonded with rubber pad two 9, so as to increase the friction.

[0025] Further improvement, the fixed tooth 12 is a right trapezoidal structure, the inclined surface direction of the fixed tooth 12 at the bottom of fixed plate 2 is opposite to the fixed tooth 12 at the top of plugboard 13, so as to improve the installation stability, and the inclined surface of the fixed tooth 12 at the top of plugboard 13 faces the screw pipe 11.

[0026] Further improvement, the outer wall of inner race 5 is provided with groove 16, the groove 16 is an annular structure, the surface of dustproof plate 4 is formed with protrusion 17, the end of protrusion 17 extends into the groove 16, the protrusion 17 is an annular structure, and universal ball 15 is installed at the end of protrusion 17, so as to avoid dust from the outside of inner race 5, and when the dustproof plate 4 is extruded from the outside, the universal ball 15 replaces the protrusion 17 and connects with the inner wall of groove 16.

[0027] Working principle: when installing the dustproof plate 4, the plug plate 13 on the dustproof plate 4 is inserted into the insertion hole 14, then the fixing plate 2 is installed in the fixing groove 3 and fixed by bolts, during the bolt fastening process, the fixing plate 2 moves towards the groove bottom of the fixing groove 3, the fixing teeth 12 on the fixing plate 2 are connected with the fixing teeth 12 of the plug plate 13 and are pressed down, and the installation is completed after fastening.

[0028] The utility model discloses a 1, outer ring, 2, fixed plate, 3, fixed groove, 4, dustproof plate, 5, inner ring, 6, ball, 7, retainer, 8, rubber pad one, 9, rubber pad two, 10, support platform, 11, screw pipe, 12, fixed tooth, 13, plug plate, 14, insertion hole, 15, universal ball, 16, recess, 17, lug, the components are all general standard parts or the components that the person skilled in the art knows, and the structure and principle are all known to the person skilled in the art through technical manual or known through conventional experimental method, the utility model solves the problem that the existing single row angular contact ball bearing is easy to enter the raceway from the gap between outer ring 1 and inner ring 5 in the process of using, is easy to cause ball 6, raceway wear, influences the normal operation of bearing, the utility model discloses through the mutual combination of above -mentioned components, the utility model discloses through installing dustproof plate 4 on the outer side of inner ring 5 and outer ring 1 to avoid dust from the connecting place of inner ring 5 and outer ring 1, through being provided with fixed groove 3 on the surface of outer ring 1, installing fixed plate 2 in fixed groove 3, through fixed plate 2 to fixed installation dustproof plate 4, improve the stability of dustproof plate 4 installation, avoid the problem that dustproof plate 4 falls off in the process of using, the inner wall of dustproof plate 4 is provided with lug 17 and universal ball 15, can avoid the installation of dustproof plate 4 to the rotation of inner and outer rings 1 and cause the influence, improve the stability and safety of bearing use. The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, for the person skilled in the art, obviously, the utility model is not limited to the details of the above -mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non - limiting, the scope of the utility model is defined by the appended claims instead of the above -mentioned description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and the person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined appropriately to form other embodiments that can be understood by the person skilled in the art.

Claims

1. A single-row angular contact ball bearing comprising an outer ring (1), an inner ring (5) and a dust shield (4), characterized in that: The inner ring (5) is placed on the inner side of the outer ring (1), and a retainer (7) is mounted between the inner ring (5) and the outer ring (1), a plurality of balls (6) are arranged on the retainer (7), four equidistant fixing grooves (3) are formed on the outer wall of the outer ring (1), the fixing grooves (3) are internally provided with fixing plates (2) through bolts, the two side walls of the outer ring (1) are respectively provided with insertion holes (14) which are communicated with the fixing grooves (3), the dustproof plates (4) are annular structures and are symmetrically arranged on the two sides of the outer ring (1) and the inner ring (5), the opposite edge surfaces of the two dustproof plates (4) are respectively provided with insertion plates (13), the ends of the insertion plates (13) penetrate through the insertion holes (14) and extend into the fixing grooves (3), and the top surfaces of the insertion plates (13) and the bottom surfaces of the fixing plates (2) are provided with fixing teeth (12).

2. A single-row angular contact ball bearing according to claim 1, characterized in that: The fixing grooves (3) are internally provided with support tables (10), the support tables (10) are mounted with screw pipes (11) in the middle parts, the screw pipes (11) are connected with the bolts in the middle parts of the fixing plates (2), and the top surfaces of the support tables (10) are connected with the bottom surfaces of the insertion plates (13).

3. A single-row angular contact ball bearing according to claim 1, characterized in that: The inner walls of the dustproof plates (4) are attached with rubber pads (8), the rubber pads (8) are connected with the outer walls of the outer ring (1), and the top surfaces of the insertion plates (13) and the bottom surfaces of the fixing plates (2) are further attached with rubber pads (9).

4. A single-row angular contact ball bearing according to claim 1, characterized in that: The fixing teeth (12) are straight trapezoidal structures, the fixing teeth (12) on the bottom of the fixing plate (2) are opposite to the inclined surfaces of the fixing teeth (12) on the top of the insertion plate (13), and the inclined surfaces of the fixing teeth (12) on the top of the insertion plate (13) are directed to the screw pipe (11).

5. A single-row angular contact ball bearing according to claim 1, characterized in that: The outer wall of the inner ring (5) is provided with a groove (16), the groove (16) is an annular structure, the surface of the dustproof plate (4) is formed with a protrusion (17), and the end of the protrusion (17) extends into the groove (16).

6. A single-row angular contact ball bearing according to claim 5, characterized in that: The end of the protrusion (17) is provided with a universal ball (15).