CN219345262U

CN219345262U - Non-elevation high-speed combined ball bearing

Info

Publication number: CN219345262U
Application number: CN202320140209.2U
Authority: CN
Inventors: 张祥峰; 赵颖; 张日明; 贺明荣; 张旭
Original assignee: Tianjin Teek Transmission Co ltd
Current assignee: Tianjin Teek Transmission Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-07-14
Anticipated expiration: 2033-01-28

Abstract

The utility model discloses a non-elevation speed combined ball bearing, which has the technical key points that: the device comprises a centripetal component and a thrust component, wherein the thrust component is nested on the centripetal component; the centripetal component comprises an outer ring and an inner ring, a plurality of first rolling steel balls are arranged between the outer ring and the inner ring, and a first retainer is arranged on the first rolling steel balls; the thrust component comprises a second retainer, a plurality of second rolling balls are arranged in the second retainer, and a seat ring is arranged on one side, far away from the inner ring, of the second retainer. The non-elevation high-speed combined ball bearing is characterized in that a centripetal component and a thrust component, namely a centripetal deep groove ball bearing mechanism and a thrust ball bearing mechanism are arranged, the end face of one side of an inner ring is outwards enlarged to form a shaft collar of a thrust part, and the inner ring is also a shaft collar; the bearing is convenient to install when in use, the installation period is shortened, and the production efficiency is improved; the structure is simple, the precision is high, the interchangeability is strong, the connection strength is increased, and the service life of the bearing is prolonged; the installation coaxiality is improved, the high-speed operation is stable, and the noise is reduced.

Description

Non-elevation high-speed combined ball bearing

Technical Field

The utility model relates to the field of combined ball bearing equipment, in particular to a non-elevation high-speed combined ball bearing.

Background

A bearing is a component used in a rotating mechanism to support, reduce friction and bear load. The product is mainly designed by a wind power gear box, can bear radial load and axial load due to meeting high-speed working conditions, and is simple to assemble and disassemble, so that the product is suitable for mechanical equipment under combined working conditions of high speed, radial load and axial load.

Patent document CN208457026U, the date of the grant is 2019, 02, 01. The utility model discloses a combination formula deep groove ball bearing, this application includes bearing inner race and bearing outer lane, be formed with annular channel between bearing inner race and the bearing outer lane, be provided with the step face on the surface of bearing inner race, be provided with on the step face and support and lean on the cylindrical roller on the bearing outer lane inner end face, be provided with the assembly step on the lateral part terminal surface of bearing inner race one end, be provided with the spiral cover on its another terminal surface, all be provided with on spiral cover and the assembly step and be the circular-arc ball groove, all be provided with the steel ball in every ball groove, the bearing outer lane has the inside sunken cooperation groove with the corresponding position department in ball groove, the cooperation groove is used for restricting the slip of steel ball. The utility model has the advantages of smooth operation, reasonable structure and convenient disassembly.

According to the application, at present, a pair of tapered roller bearings or a set of cylindrical roller bearings and a four-point contact ball bearing are installed together to meet working condition requirements, but the tapered roller bearings and the four-point contact ball bearing are required to be pressed twice during installation, the installation clearance requirement is high, and the installation time is long, so that the non-elevation high-speed combined ball bearing is provided.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the non-elevation high-speed combined ball bearing which has the advantages of simple structure, convenient assembly and disassembly and longer service life.

In order to achieve the above purpose, the present utility model adopts the main technical scheme that: a non-high speed composite ball bearing comprising: a centripetal component and a thrust component, the thrust component being nested on the centripetal component;

the centripetal component comprises an outer ring and an inner ring, a plurality of first rolling steel balls are arranged between the outer ring and the inner ring, and a first retainer is arranged on the first rolling steel balls;

the thrust assembly comprises a second retainer, a plurality of second rolling balls are arranged in the second retainer, a seat ring is arranged on one side, away from the inner ring, of the second retainer, and the second retainer can be nested in the inner ring.

Preferably, the first holder is a plastic holder.

Preferably, an end face of the inner ring, which is close to the second retainer, is larger.

Preferably, the first rolling balls are uniformly distributed in distance between the outer ring and the inner ring.

Preferably, one side of the second retainer is provided with a plurality of locking openings, and the second rolling steel balls are arranged on the locking openings.

Preferably, the edges of the outer ring, the inner ring, the second retainer and the seat ring are rounded.

Compared with the prior art, the utility model has the beneficial effects that:

the non-elevation high-speed combined ball bearing is characterized in that a centripetal component and a thrust component, namely a centripetal deep groove ball bearing mechanism and a thrust ball bearing mechanism are arranged, the end face of one side of an inner ring is enlarged to be used as a shaft collar of a thrust part, and the inner ring is also used as the shaft collar; the bearing is convenient to install when in use, the installation period is shortened, and the production efficiency is improved; the structure is simple, the precision is high, the interchangeability is strong, the connection strength is increased, and the service life of the bearing is prolonged; the installation coaxiality is improved, the high-speed operation is stable, and the noise is reduced.

Drawings

FIG. 1 is a schematic side cross-sectional view of a non-high speed composite ball bearing of the utility model;

FIG. 2 is a schematic front view of a non-high speed composite ball bearing of the present utility model.

In the figure: 1. an outer ring; 2. a first rolling steel ball; 3. a first holder; 4. an inner ring; 5. a second holder; 6. a second steel ball rolling; 7. a seat ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a non-high speed composite ball bearing, comprising: the device comprises a centripetal component and a thrust component, wherein the thrust component is nested on the centripetal component;

the centripetal assembly comprises an outer ring 1 and an inner ring 4, a plurality of first rolling balls 2 are arranged between the outer ring 1 and the inner ring 4, the first rolling balls 2 are uniformly distributed at the distance between the outer ring 1 and the inner ring 4, the smoothness of the bearing in use is enhanced, a first retainer 3 is arranged on the first rolling balls 2, the first retainer 3 is a plastic retainer, and the first rolling balls 2 can be protected while the first rolling balls 2 are supported;

the thrust subassembly includes second holder 5, install a plurality of second steel balls 6 in the second holder 5, second holder 5 one side is equipped with the several fore shaft, second steel balls 6 are installed on the fore shaft, be convenient for fix second steel balls 6, seat circle 7 is installed to one side that second holder 5 kept away from inner circle 4, second holder 5 can nest in inner circle 4, the inner circle is close to one side terminal surface of second holder great, be convenient for second holder 5 nest in inner circle 4, increase joint strength, improve the life-span, the fillet is all handled to the edge of outer lane 1, inner circle 4, second holder 5 and seat circle 7, prevent the fish tail, convenient to use person takes.

Structural principle:

as shown in fig. 1-2, during the fitting, a centripetal component part, namely a centripetal deep groove ball bearing structure is firstly assembled, a first rolling ball 2 is firstly assembled between an inner ring 4 and an outer ring 1 and is uniformly arranged, and then a plastic retainer is assembled, so that the assembly of the centripetal component is completed; the thrust component part, namely the thrust bearing structure, is installed behind the fore shaft on second holder 5, then installs seat ring 7, and finally nest thrust component in centripetal component, constitutes a set of bearing, and this non-elevation high-speed combination ball bearing designs into the inner circle of centripetal deep groove ball bearing and simultaneously as thrust bearing's axile collar, and installation is very convenient during the use.

In a comprehensive way, the non-elevation high-speed combined ball bearing is provided with a centripetal component and a thrust component, namely a centripetal deep groove ball bearing mechanism and a thrust ball bearing mechanism, wherein the end face of one side of the inner ring is enlarged to be used as a shaft collar of a thrust part, and the inner ring is also used as the shaft collar; the bearing is convenient to install when in use, the installation period is shortened, and the production efficiency is improved; the structure is simple, the precision is high, the interchangeability is strong, the connection strength is increased, and the service life of the bearing is prolonged; the installation coaxiality is improved, the high-speed operation is stable, and the noise is reduced.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 non-high speed composite ball bearing comprising: a centripetal component and a thrust component, the thrust component being nested on the centripetal component;

the centripetal component comprises an outer ring (1) and an inner ring (4), a plurality of first rolling balls (2) are arranged between the outer ring (1) and the inner ring (4), and a first retainer (3) is arranged on the first rolling balls (2);

the thrust assembly comprises a second retainer (5), a plurality of second rolling balls (6) are arranged in the second retainer (5), a seat ring (7) is arranged on one side, away from the inner ring (4), of the second retainer (5), and the second retainer (5) can be nested in the inner ring (4).

2. The non-high speed composite ball bearing of claim 1 wherein: the first retainer (3) is a plastic retainer.

3. The non-high speed composite ball bearing of claim 1 wherein: the end face of one side of the inner ring (4) close to the second retainer (5) is larger.

4. The non-high speed composite ball bearing of claim 1 wherein: the first rolling balls (2) are uniformly distributed in distance between the outer ring (1) and the inner ring (4).

5. The non-high speed composite ball bearing of claim 1 wherein: one side of the second retainer (5) is provided with a plurality of locking openings, and the second rolling steel balls (6) are arranged on the locking openings.

6. The non-high speed composite ball bearing of claim 1 wherein: the edges of the outer ring (1), the inner ring (4), the second retainer (5) and the seat ring (7) are rounded.