CN210629279U - Encoder insulating metal shaft structure and encoder - Google Patents

Abstract

The utility model discloses an encoder insulated metal shaft structure, which comprises a first PEEK shaft sleeve and a second PEEK shaft sleeve, wherein the first PEEK shaft sleeve and the second PEEK shaft sleeve form a whole with an encoder metal shaft in an interference fit manner; the metal washer is connected with one end of the inner side of the second PEEK shaft sleeve 4, and the PEEK lock nut is in threaded connection with the metal shaft of the encoder and fixes the metal washer; when the motor shaft is installed, the motor shaft is in contact with the first PEEK shaft sleeve and the second PEEK shaft sleeve, the inner side end of the motor shaft is fixed by an M6 nut, and the nut penetrates through the metal washer and is connected to the motor shaft. Correspondingly, an encoder is also provided, and the encoder comprises the encoder insulated metal shaft structure. The utility model discloses a change the structure of encoder axle, make it and motor shaft insulation, the cost is reduced.

Description

Encoder insulating metal shaft structure and encoder

Technical Field

The utility model relates to an encoder technical field especially relates to an encoder insulated metal axle construction and encoder.

Background

The encoder used in the wind power industry at present is mainly insulated from a motor shaft through an insulating bearing, and the insulating bearing is higher in cost, so that the problem that how to improve the structure of a metal shaft of the encoder is urgently needed to be solved is solved by reducing the cost.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned purpose, the utility model provides an encoder insulated metal axle construction and encoder.

In order to realize the purpose of the utility model, the utility model provides an insulating metal shaft structure of an encoder, which comprises a first PEEK shaft sleeve and a second PEEK shaft sleeve,

the first PEEK shaft sleeve and the second PEEK shaft sleeve form a whole with the metal shaft of the encoder in an interference fit mode;

the metal washer is connected with one end of the inner side of the second PEEK shaft sleeve 4, and the PEEK lock nut is in threaded connection with the metal shaft of the encoder and fixes the metal washer;

when the motor shaft is installed, the motor shaft is in contact with the first PEEK shaft sleeve and the second PEEK shaft sleeve, the inner side end of the motor shaft is fixed by an M6 nut, and the nut penetrates through the metal washer and is connected to the motor shaft.

Correspondingly, an encoder is also provided, and the encoder comprises the encoder insulated metal shaft structure.

Compared with the prior art, the beneficial effects of the utility model are that, the utility model discloses a change the structure of encoder axle, make it insulating with the motor shaft, the cost is reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

in the figure: the motor comprises a 1-motor shaft, a 2-first PEEK shaft sleeve, a 3-encoder metal shaft, a 4-second PEEK shaft sleeve, a 5-PEEK locking nut, a 6-M6 socket head cap screw and a 7-metal washer.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1, the present application provides an encoder insulated metal shaft structure, comprising a first PEEK bushing 2 and a second PEEK bushing 4,

the first PEEK shaft sleeve 2 and the second PEEK shaft sleeve 4 form a whole with the encoder metal shaft 3 in an interference fit mode;

the metal gasket 7 is connected with one end of the inner side of the second PEEK shaft sleeve 4, the PEEK lock nut 5 is in threaded connection with the encoder metal shaft 3 and fixes the metal gasket (7), and the metal gasket 7 is not in contact with the encoder metal shaft 3;

when the motor shaft (1) is installed, the motor shaft (1) is in contact with the first PEEK shaft sleeve (2) and the second PEEK shaft sleeve (4), and the inner side end of the motor shaft is fixed by an M6 nut (6).

In addition, the application also provides an encoder which comprises the encoder insulated metal shaft structure.

The utility model discloses a closely cooperate encoder stainless steel shaft inside with the PEEK axle sleeve to make PEEK axle sleeve and customer motor shaft contact, played insulating effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (2)

1. An insulated metal shaft structure of an encoder is characterized by comprising a first PEEK shaft sleeve (2) and a second PEEK shaft sleeve (4),

the first PEEK shaft sleeve (2) and the second PEEK shaft sleeve (4) form a whole with the encoder metal shaft (3) in an interference fit mode;

the metal washer (7) is connected with one end of the inner side of the second PEEK shaft sleeve (4), and the PEEK lock nut (5) is in threaded connection with the encoder metal shaft (3) and fixes the metal washer (7);

when the motor shaft (1) is installed, the motor shaft (1) is in contact with the first PEEK shaft sleeve (2) and the second PEEK shaft sleeve (4), and the inner side end of the motor shaft is fixed by an M6 nut (6).

2. An encoder comprising the encoder insulated metal shaft structure of claim 1.

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