CN220869868U

CN220869868U - Bearing with improved sealing performance

Info

Publication number: CN220869868U
Application number: CN202322592333.5U
Authority: CN
Inventors: 曲徐敏
Original assignee: Hangzhou Xingmiao Machinery Co ltd
Current assignee: Hangzhou Xingmiao Machinery Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-04-30
Anticipated expiration: 2033-09-25

Abstract

The utility model discloses a bearing for improving sealing performance, which comprises an outer ring, an inner ring and steel balls uniformly distributed at the gap between the outer ring and the inner ring, wherein arc grooves matched with the steel balls are formed in the inner cambered surface of the outer ring and the inner cambered surface of the inner ring, retainers are symmetrically arranged at the gap between the outer ring and the inner ring left and right, the two retainers are fixedly connected, the steel balls are distributed in arc openings correspondingly arranged on the opposite inner sides of the two retainers, annular plates are arranged on the outer sides of the retainers, sealing assemblies are arranged on the outer sides of the annular plates through uniformly arranged connecting assemblies, mounting grooves are formed in the inner cambered surface and the outer cambered surface of the annular plates, and sealing gaskets are arranged in the mounting grooves. This improve sealing performance's bearing carries out multistage seal through the gap department to outer lane and inner circle to improve bearing holistic sealing performance greatly, inner structure's installation convenient and fast more moreover.

Description

Bearing with improved sealing performance

Technical Field

The utility model belongs to the technical field of bearing sealing, and particularly relates to a bearing with improved sealing performance.

Background

Bearings are an important component in contemporary mechanical devices. The main function of the bearing is to support the mechanical rotator, reduce the friction coefficient in the motion process and ensure the rotation precision, fully play the function of the bearing in order to keep the smooth condition and the normal working environment of the bearing, prolong the service life of the bearing, and properly seal the rolling bearing so as to avoid the leakage of the lubricant and the invasion of dust, water vapor or other dirt, thereby being beneficial to the protection of the bearing.

The existing bearing sealing structure is generally divided into non-contact type sealing and contact type sealing, wherein the non-contact type sealing comprises gap sealing, oil groove sealing, labyrinth sealing and oil slinger sealing, the contact type sealing comprises felt ring sealing, leather cup sealing, sealing ring sealing, skeleton sealing, sealing ring sealing and the like, and most of the existing bearings generally adopt a single sealing mode to seal the bearings when being sealed, so that the overall sealing effect of the bearings is not ideal.

Disclosure of utility model

The utility model aims to provide a bearing with improved sealing performance, which aims to solve the technical problems in the background technology.

In order to achieve the above purpose, the specific technical scheme of the utility model is as follows: the utility model provides an improve sealing performance's bearing, includes outer lane, inner circle and evenly distributed in the steel ball of outer lane and inner circle clearance department, the intrados of outer lane and the intrados of inner circle all are provided with the arc groove with steel ball complex, the clearance department bilateral symmetry of outer lane and inner circle has placed the holder, fixed connection between two holders, steel ball distribution is located the relative medial surface of two holders and corresponds the arc mouth that sets up, the lateral surface of holder all is equipped with the annular slab, sealing component is all installed through the coupling assembling that evenly sets up to the lateral surface of annular slab, can carry out multistage sealing to the gap department of outer lane and inner circle, improve bearing holistic sealing performance greatly, and inner structure's installation is convenient and fast more moreover.

Preferably, the intrados and extrados of annular plate all are equipped with the mounting groove, and the inside of mounting groove all is equipped with sealed pad, and the sealed pad that keeps away from annular plate center all contacts with the inner wall of outer lane, and the sealed pad that is close to annular plate center all contacts with the outer wall of inner circle, improves the leakproofness of outer lane and inner circle gap department.

Preferably, the sealing assembly comprises a sealing ring plate and sealing rings, the sealing ring plate is respectively provided with the outer side face of the annular plate through a uniformly arranged connecting assembly, two sealing rings are respectively arranged on the opposite inner side faces of the two sealing ring plates which are arranged in a bilateral symmetry mode, fixing rings matched with the sealing rings are symmetrically arranged on the inner cambered surface of the outer ring and the outer cambered surface of the inner ring, and multistage sealing can be carried out on the inside of the bearing.

Preferably, the cross sections of the sealing ring and the fixing ring are L-shaped, annular convex strips are uniformly arranged on vertical step surfaces inside the sealing ring, annular grooves matched with the annular convex strips are uniformly arranged on vertical surfaces inside the fixing ring, and the bearing can be sealed in a labyrinth sealing mode.

Preferably, the connecting assembly comprises a buckle and a clamping hook, wherein the buckle is uniformly arranged on the opposite outer side surfaces of the two annular plates, the clamping hooks which are in clamping connection with the buckle in a matching manner are arranged on the opposite inner side surfaces of the two sealing annular plates at equal angles, and the fixing installation of the sealing annular plates is facilitated.

Preferably, the sealing ring comprises two outer sealing rings, the clamping grooves formed in the inner side surfaces of the two outer sealing rings are matched and clamped with the annular clamping strips correspondingly formed in the outer side surfaces of the sealing ring plates respectively, two V-shaped elastic pieces are arranged on the inner side surfaces of the two outer sealing rings respectively, the outer edge surfaces of the V-shaped elastic pieces far away from the center of the outer sealing rings are contacted with the inner wall of the outer ring, the outer edge surfaces of the V-shaped elastic pieces close to the center of the outer sealing rings are contacted with the outer wall of the inner ring, and the sealing performance of the gap between the outer ring and the inner ring can be further improved.

The bearing with improved sealing performance has the following advantages:

1. This improve sealing performance's annular plate and sealed pad through the holder lateral surface can seal the gap department of outer lane and inner circle, then through the buckle cooperation joint that pothook and annular plate lateral surface correspond, thereby install the sealing ring plate bilateral symmetry in the gap department of outer lane and inner circle, make sealing washer and solid fixed ring laminating, because the cross-section of sealing washer and solid fixed ring is the L type, evenly be provided with annular sand grip on the inside vertical step face of sealing washer moreover, evenly be equipped with on the inside facade of solid fixed ring with annular sand grip complex ring channel, so after sealing washer and solid fixed ring laminating, can seal the gap department of outer lane and inner circle again by labyrinth seal's mode, can carry out multistage sealing to the gap department of outer lane and inner circle, improve the holistic sealing performance of bearing greatly, moreover inner structure's installation convenient and fast more.

2. This improve sealing performance's bearing through the draw-in groove of outer seal ring side and the annular card strip joint that the sealing ring board lateral surface corresponds to make two outer seal ring bilateral symmetry install in the clearance department of outer lane and inner circle, can further improve the leakproofness of outer lane and inner circle gap department, make the holistic leakproofness of bearing better.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at A;

The figure indicates: 1. an outer ring; 2. an inner ring; 3. steel balls; 4. a retainer; 5. a seal assembly; 51. sealing ring plates; 52. a seal ring; 521. annular raised strips; 6. an annular plate; 61. a sealing gasket; 7. a connection assembly; 71. a buckle; 72. a clamping hook; 8. a fixing ring; 9. an annular clamping strip; 10. an outer seal ring; 11. v-shaped spring plate.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "vertical," "horizontal," "top," "bottom," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the embodiments of the present utility model and to simplify the description, rather than to indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model. Furthermore, embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

For a better understanding of the objects, structures and functions of the present utility model, a bearing with improved sealing performance will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, the bearing for improving sealing performance comprises an outer ring 1, an inner ring 2 and steel balls 3 uniformly distributed at the gap between the outer ring 1 and the inner ring 2, wherein arc grooves matched with the steel balls 3 are formed in the inner arc surface of the outer ring 1 and the inner arc surface of the inner ring 2, retainers 4 are symmetrically arranged at the gap between the outer ring 1 and the inner ring 2 left and right, the two retainers 4 are fixedly connected, the steel balls 3 are distributed in arc openings correspondingly formed in the opposite inner side surfaces of the two retainers 4, the steel balls 3 can play a limiting role, annular plates 6 are arranged on the outer side surfaces of the retainers 4, mounting grooves are formed in the inner arc surface and the outer arc surface of the annular plates 6, sealing gaskets 61 are arranged in the mounting grooves, the sealing gaskets 61 far away from the center of the annular plates 6 are contacted with the inner wall of the outer ring 1, the sealing gaskets 61 near the center of the annular plates 6 are contacted with the outer wall of the inner ring 2, the sealing gasket 61 on the outer edge surface of the annular plate 6 can seal the gap between the outer ring 1 and the inner ring 2, the outer side surface of the annular plate 6 is provided with a sealing assembly 5 through uniformly arranged connecting assemblies 7, the sealing assembly 5 comprises a sealing ring plate 51 and a sealing ring 52, the sealing ring plate 51 is respectively provided with the outer side surface of the annular plate 6 through uniformly arranged connecting assemblies 7, two sealing rings 52 are respectively arranged on the opposite inner side surfaces of the two sealing ring plates 51 which are symmetrically arranged left and right, the inner cambered surface of the outer ring 1 and the outer cambered surface of the inner ring 2 are symmetrically provided with a fixed ring 8 matched with the sealing ring 52, the sections of the sealing ring 52 and the fixed ring 8 are L-shaped, the vertical step surface inside the sealing ring 52 is uniformly provided with annular raised strips 521, the vertical surface inside the fixed ring 8 is uniformly provided with annular grooves matched with the annular raised strips 521, the connecting assemblies 7 comprise buckles 71 and hooks 72, the buckles 71 are uniformly arranged on the opposite outer side surfaces of the two annular plates 6, the hooks 72 which are matched and clamped with the buckles 71 are arranged on the opposite inner side surfaces of the two sealing ring plates 51 at equal angles, and the buckles 71 which correspond to the outer side surfaces of the annular plates 6 are matched and clamped with each other through the hooks 72, so that the sealing ring plates 51 are symmetrically arranged at the gap between the outer ring 1 and the inner ring 2 left and right, the sealing ring 52 and the fixing ring 8 are attached, the sections of the sealing ring 52 and the fixing ring 8 are L-shaped, annular raised strips 521 are uniformly arranged on the vertical step surfaces inside the sealing ring 52, and annular grooves matched with the annular raised strips 521 are uniformly arranged on the vertical surfaces inside the fixing ring 8, so that after the sealing ring 52 is attached to the fixing ring 8, the gap between the outer ring 1 and the inner ring 2 can be sealed again in a labyrinth sealing mode, the gap between the outer ring 1 and the inner ring 2 can be sealed in multiple stages, and the whole sealing performance of the bearing is greatly improved.

Wherein: the sealing ring comprises an outer ring body (10), wherein the number of the outer ring body (10) is two, the clamping grooves formed in the opposite inner side surfaces of the outer ring body (10) are respectively matched and clamped with annular clamping strips (9) which are arranged on the outer side surfaces of a sealing ring plate (51), two V-shaped elastic pieces (11) are arranged on the opposite inner side surfaces of the two outer ring body (10), the outer edge surfaces of the V-shaped elastic pieces (11) far away from the center of the outer ring body (10) are contacted with the inner wall of an outer ring (1), the outer edge surfaces of the V-shaped elastic pieces (11) close to the center of the outer ring body (10) are contacted with the outer wall of an inner ring (2), and the clamping grooves on the side surfaces of the outer ring body (10) are clamped with annular clamping strips (9) which correspond to the outer side surfaces of the sealing ring plate (51), so that the two outer ring body (10) are symmetrically arranged at the gap between the outer ring body (1) and the inner ring body (2) and the gap body (1) can be further improved, and the sealing performance of the whole bearing is better.

The working principle of the bearing for improving the sealing performance is as follows: the steel balls 3 are uniformly placed at the gap between the outer ring 1 and the inner ring 2, then the steel balls 3 are limited through the two retainers 4, at this time, the annular plate 6 on the outer side surface of the retainers 4 is located at the gap between the outer ring 1 and the inner ring 2, the sealing gasket 61 on the outer side surface of the annular plate 6 can seal the gap between the outer ring 1 and the inner ring 2, then the clamping hooks 72 are matched and clamped with the corresponding clamping buckles 71 on the outer side surface of the annular plate 6, so that the sealing ring plate 51 is symmetrically installed at the gap between the outer ring 1 and the inner ring 2 left and right, the sealing ring 52 is attached to the fixing ring 8, the sections of the sealing ring 52 and the fixing ring 8 are L-shaped, annular protruding strips 521 are uniformly arranged on the vertical step surfaces inside the sealing ring 52, annular grooves matched with the annular protruding strips 521 are uniformly arranged on the vertical surfaces inside the fixing ring 8, at this time, after the sealing ring 52 and the fixing ring 8 are attached, the gap between the outer ring 1 and the inner ring 2 can be sealed again in a labyrinth sealing mode, and finally the clamping grooves on the side surfaces of the outer sealing ring 10 are clamped with the corresponding annular clamping strips 9 on the outer side surface of the sealing ring plate 51, so that the two outer sealing rings 10 are symmetrically installed at the gap between the outer ring 1 and the inner ring 2, the sealing ring 11 is far away from the center of the outer ring 11, and the sealing ring 11 is further contacted with the inner ring 11, and the gap between the sealing ring and the outer ring 11 is further, and the sealing ring 11 is more tightly contacted with the outer ring 11.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides an improve sealing performance's bearing, includes outer lane (1), inner circle (2) and evenly distributed in steel ball (3) of outer lane (1) and inner circle (2) clearance department, its characterized in that: the inner cambered surface of outer lane (1) and the inner cambered surface of inner circle (2) all are provided with steel ball (3) complex arc wall, and cage (4) have been placed to the clearance department bilateral symmetry of outer lane (1) and inner circle (2), fixed connection between two cages (4), and steel ball (3) distribution are located the arc mouth that the opposite medial surface of two cages (4) corresponds the setting, and the lateral surface of cage (4) all is equipped with annular plate (6), and sealing component (5) are all installed through coupling assembling (7) of evenly setting to the lateral surface of annular plate (6).

2. A bearing with improved sealing performance as claimed in claim 1, wherein: the inner cambered surface and the outer cambered surface of the annular plate (6) are respectively provided with a mounting groove, sealing gaskets (61) are respectively arranged in the mounting grooves, the sealing gaskets (61) far away from the center of the annular plate (6) are respectively in contact with the inner wall of the outer ring (1), and the sealing gaskets (61) close to the center of the annular plate (6) are respectively in contact with the outer wall of the inner ring (2).

3. A bearing with improved sealing performance as claimed in claim 1, wherein: the sealing assembly (5) comprises a sealing ring plate (51) and sealing rings (52), the sealing ring plate (51) is installed on the outer side face of the annular plate (6) through uniformly arranged connecting assemblies (7), two sealing ring plates (51) which are arranged in a bilateral symmetry mode are respectively provided with two sealing rings (52) on the opposite inner side face, and fixing rings (8) matched with the sealing rings (52) are symmetrically arranged on the inner cambered surface of the outer ring (1) and the outer cambered surface of the inner ring (2).

4. A bearing with improved sealing performance as claimed in claim 3, wherein: the cross sections of the sealing ring (52) and the fixing ring (8) are L-shaped, annular raised strips (521) are uniformly arranged on vertical step surfaces in the sealing ring (52), and annular grooves matched with the annular raised strips (521) are uniformly arranged on vertical surfaces in the fixing ring (8).

5. A bearing with improved sealing performance as claimed in claim 3, wherein: the connecting assembly (7) comprises a buckle (71) and a clamping hook (72), wherein the buckle (71) is uniformly arranged on the opposite outer side surfaces of the two annular plates (6), and the clamping hooks (72) matched and clamped with the buckle (71) are arranged on the opposite inner side surfaces of the two sealing annular plates (51) at equal angles.

6. A bearing with improved sealing performance as claimed in claim 3, wherein: still include outer seal ring (10), the number of outer seal ring (10) is two, the draw-in groove that the relative medial surface of two outer seal rings (10) set up respectively with annular card strip (9) cooperation joint that sealing ring plate (51) lateral surface corresponds the setting, the relative medial surface of two outer seal rings (10) all is equipped with two V type shell fragment (11), keep away from the V type shell fragment (11) of outer seal ring (10) center along the face all with the inner wall contact of outer lane (1), the V type shell fragment (11) that is close to outer seal ring (10) center is along the face all with the outer wall contact of inner circle (2).