CN212564060U - Low-noise plane thrust bearing - Google Patents

Abstract

The utility model discloses a low-noise plane thrust bearing, which comprises a nylon bearing retainer, wherein a plurality of limiting grooves are circumferentially arranged on the surface of the nylon bearing retainer; the number of the rolling mechanisms is the same as that of the limiting grooves, and the rolling mechanisms are embedded in the limiting grooves; two thrust raceway pieces, thrust raceway piece of terminal surface swing joint separately about the nylon bearing holder, thrust raceway piece with the contact surface of nylon bearing holder is provided with the circular orbit, just rolling mechanism moves on the circular orbit, be provided with the silence layer on the circular orbit, the silence layer is rubber composite bed, relative and traditional rolling mechanism and metallic thrust raceway piece direct contact, and the setting on silence layer can the noise abatement, relative and prior art, the utility model discloses a noise is little, and stable in structure, and the raceway piece is difficult to break away from the holder.

Description

Low-noise plane thrust bearing

Technical Field

The utility model relates to a bearing technical field especially involves a plane thrust bearing of low noise.

Background

The compressor is required to ensure an excellent quieting effect in operation, in which a low-noise flat thrust bearing plays an extremely important role. The traditional plane thrust bearing gasket has the advantages of large surface roughness, large friction resistance between the rolling body and the retainer, large noise in the use process, influence on production and life, unstable structure of the plane thrust bearing, and easy separation of the roller path sheet from the retainer.

Therefore, the utility model discloses a plane thrust bearing of low noise, relative and prior art, the utility model discloses a noise is little, and stable in structure, and the raceway piece is difficult to break away from the holder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a plane thrust bearing of low noise to the plane thrust bearing noise of solving among the prior art is little big, and the unstable structure, and the raceway piece breaks away from the technical problem of holder easily, the utility model discloses a noise is little, and stable in structure, and the raceway piece is difficult to break away from the holder.

The utility model discloses a realize through following technical scheme: a low-noise plane thrust bearing comprises a nylon bearing retainer, wherein a plurality of limiting grooves are circumferentially arranged on the surface of the nylon bearing retainer; the number of the rolling mechanisms is the same as that of the limiting grooves, and the rolling mechanisms are embedded in the limiting grooves; the upper end face and the lower end face of the nylon bearing retainer are respectively movably connected with one thrust roller sheet.

The nylon bearing retainer has the advantages of small vibration, low noise, low heat productivity, high bearing capacity, capability of improving the limit rotating speed and the service life of a bearing, capability of stably working for a long time in a one-point temperature range generally, compatibility with a bearing lubricant, suitability for the fields of motors, machine tools, gear transmission shafts, pumps, compressors, mining machinery, construction machinery and the like, replacement of the current copper retainer and iron retainer, and addition of an anti-aging agent, along with good strength, elasticity, chemical corrosion resistance, aging resistance, good lubricating property, wear resistance and good dimensional stability.

Preferably, in order to enhance the stability of the movement, the contact surface of the thrust roller piece and the nylon bearing retainer is provided with an annular track, and the rolling mechanism moves on the annular track.

Preferably, in order to enhance the silencing effect, a silencing layer is arranged on the annular track, the silencing layer is a rubber composite layer and is in direct contact with a metal thrust roller path sheet relative to a traditional rolling mechanism, and the silencing layer is arranged to reduce noise.

Preferably, in order to make the utility model discloses stable in structure, the raceway piece is difficult to break away from the holder, one be provided with card arm, another on the thrust raceway piece lateral wall be provided with the draw-in groove on the thrust raceway piece lateral wall, just the card arm inlay in the draw-in groove, the card arm can be dismantled with the thrust raceway piece and be connected, just the card arm sets to "L" form.

The utility model discloses a plane thrust bearing of low noise compares with prior art:

firstly, because of the arrangement of the nylon bearing retainer, the utility model has light weight, so that the flexibility of the bearing is better, and if the nylon bearing retainer is used for electric appliances or power consumption products, the nylon bearing retainer plays a great role in energy conservation;

secondly, the service life of the bearing can be effectively prolonged, the friction between the metal retainer and the steel ball is reduced, the service life of the bearing is prolonged, and the generated noise is low;

thirdly, the utility model discloses a stable in structure, the raceway piece is difficult to break away from the holder, one be provided with card arm, another on the thrust raceway piece lateral wall be provided with the draw-in groove on the thrust raceway piece lateral wall, just the card arm inlay in the draw-in groove, the card arm can be dismantled with the thrust raceway piece and be connected, just the card arm sets to "L" form

Drawings

Fig. 1 is an exploded schematic view of a nylon bearing retainer and a rolling mechanism according to the present invention;

fig. 2 is a front view of the present invention.

In the figure: 1. a nylon bearing retainer; 2. a limiting groove; 3. a rolling mechanism; 4. a thrust roller sheet.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The utility model discloses a low-noise plane thrust bearing, as shown in figures 1 and 2, comprising a nylon bearing retainer 1, wherein a plurality of limiting grooves 2 are circumferentially arranged on the surface of the nylon bearing retainer 1; the number of the rolling mechanisms 3 is the same as that of the limiting grooves 2, and the rolling mechanisms 3 are embedded in the limiting grooves 2; the upper end face and the lower end face of the nylon bearing retainer 1 are respectively movably connected with one thrust roller sheet 4.

The nylon bearing retainer 1 has the advantages of small vibration, low noise, low heat productivity and high bearing capacity, can improve the limit rotating speed and the service life of a bearing, can normally stably work for a long time within the temperature range of-40 ℃ to +120 ℃, has compatibility with a bearing lubricant, is suitable for the fields of motors, machine tools, gear transmission shafts, pumps, compressors, mining machinery, construction machinery and the like, is formed by injection molding, replaces the existing copper retainer and iron retainer, is mainly made of polyamide nylon 66, is added with an anti-aging agent, and has the characteristics of good strength and elasticity, chemical corrosion resistance, ageing resistance, good lubricating performance, wear resistance and good dimensional stability.

In order to strengthen the stability of motion, thrust raceway piece 4 with nylon bearing holder 1's contact surface is provided with the circular orbit, just rolling mechanism 3 moves on the circular orbit, in order to strengthen the effect of silence, be provided with the silence layer on the circular orbit, the silence layer is rubber composite bed, relative and traditional rolling mechanism 3 and the 4 direct contact of thrust raceway piece of metal, and the setting on silence layer can noise abatement, in order to make the utility model discloses stable in structure, raceway piece are difficult to break away from the holder, one be provided with card arm, another on the 4 lateral walls of thrust raceway piece be provided with the draw-in groove on the thrust raceway piece lateral wall, just the card arm inlay in the draw-in groove, the card arm can be dismantled with the thrust raceway piece and be connected, just the card arm sets to "L" form.

Claims (1)

1. A low noise, flat thrust bearing comprising: the bearing retainer comprises a nylon bearing retainer (1), wherein a plurality of limiting grooves (2) are formed in the circumferential direction of the surface of the nylon bearing retainer (1);

the number of the rolling mechanisms (3) is the same as that of the limiting grooves (2), and the rolling mechanisms (3) are embedded in the limiting grooves (2);

the upper end face and the lower end face of the nylon bearing retainer (1) are respectively movably connected with one thrust roller sheet (4);

the contact surface of the thrust roller piece (4) and the nylon bearing retainer (1) is provided with an annular track, and the rolling mechanism (3) moves on the annular track;

the device is characterized in that a mute layer is arranged on the annular track, and the mute layer is a rubber composite layer;

a clamping arm is arranged on the side wall of one thrust roller sheet (4), a clamping groove is arranged on the side wall of the other thrust roller sheet, and the clamping arm is embedded in the clamping groove;

the clamping arm is detachably connected with the thrust roller path piece, and the clamping arm is arranged to be L-shaped.

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