CN217036982U

CN217036982U - Motor encoder connecting device

Info

Publication number: CN217036982U
Application number: CN202123120188.8U
Authority: CN
Inventors: 许锦辉; 张增强; 姜鑫
Original assignee: Ningbo Donly Co ltd
Current assignee: Ningbo Donly Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-22
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a motor encoder connecting device, which relates to the technical field of motors and comprises a motor rotating shaft and an encoder connecting shaft, wherein the motor rotating shaft is in threaded connection with the encoder connecting shaft and is fixed through threaded fastening glue, a central hole is formed in one side of the motor rotating shaft, a first conical surface is formed in the central hole, a second conical surface is formed in the outer edge of one end of the encoder connecting shaft, and the second conical surface is matched with the first conical surface. Through at motor shaft tail end processing C type centre bore to at the downthehole first circular conical surface that has processed of centre bore, the motor shaft of being convenient for is connected fixedly with the encoder connecting axle, and motor shaft can realize motor area encoder pivot standardized design, and the unity of ordinary pivot and area encoder connecting axle is prepared material, reduces the production manufacturing time of motor in batches greatly, improves production efficiency, shortens the delivery date.

Description

Motor encoder connecting device

Technical Field

The utility model relates to the technical field of motors, in particular to a motor encoder connecting device.

Background

The encoder brand, the mounting means, the size that supporting motor used are various, and the motor producer is difficult to carry out the modular production to motor shaft standardized design, and production efficiency is low, and the delivery period is long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor encoder connecting device, which is used for solving the technical problem.

The technical scheme adopted by the utility model is as follows:

a motor encoder connecting device comprises a motor rotating shaft and an encoder connecting shaft, wherein the motor rotating shaft is in threaded connection with the encoder connecting shaft and is fixed through threaded fastening glue, a center hole is formed in one side of the motor rotating shaft, a first conical surface is formed in the center hole, a second conical surface is arranged on the outer edge of one end of the encoder connecting shaft, and the second conical surface is matched with the first conical surface.

Preferably, the central hole is a C-shaped central hole, an internal thread is formed in the central hole, and the internal thread is located on one side of the first conical surface.

Preferably, a thimble conical surface is further disposed in the central hole, and the thimble conical surface is located on the other side of the first conical surface.

As a further preference, the outer edge of the encoder connecting shaft is provided with a wrench bayonet structure, and the second conical surface is located on one side of the wrench bayonet structure.

Preferably, an external thread is further arranged on the outer edge of one end of the encoder connecting shaft, and the external thread is located on one side, away from the wrench bayonet structure, of the second conical surface.

Preferably, a gap is formed between the external thread and the second conical surface.

Preferably, the other end of the encoder connecting shaft is a shaft extension, and the shaft extension is used for connecting the encoder.

The technical scheme has the following advantages or beneficial effects:

according to the motor encoder rotating shaft, the C-shaped central hole is processed at the tail end of the motor rotating shaft, the first conical surface is processed in the central hole, the motor rotating shaft and the encoder connecting shaft are conveniently connected and fixed, the motor rotating shaft can also be used for a common motor rotating shaft, the standard design of the motor encoder rotating shaft can be realized, the common rotating shaft and the encoder connecting shaft are uniformly prepared, the production and manufacturing time of motors in batches is greatly shortened, the production efficiency is improved, and the delivery date is shortened; the shaft extension can change the size and the shape to be connected with various encoders, is suitable for encoders of various brands and specifications, and meets the requirements of different users.

Drawings

FIG. 1 is a schematic view of a motor encoder connector according to the present invention;

FIG. 2 is a structural diagram of a central hole of a motor rotating shaft in the utility model;

fig. 3 is a schematic structural view of an encoder connecting shaft in the present invention.

In the figure: 1. a motor shaft; 2. an encoder connecting shaft; 101. an internal thread; 102. a first surface taper; 103. a thimble conical surface; 201. an external thread; 202. neutral position; 203. a second conical surface; 204. a wrench bayonet structure; 205. and (5) extending the shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" should be construed broadly and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

FIG. 1 is a schematic view of a motor encoder connector according to the present invention; FIG. 2 is a schematic view of the center hole of the motor shaft according to the present invention; fig. 3 is a schematic structural diagram of an encoder connecting shaft according to the present invention, please refer to fig. 1 to 3, which illustrate a preferred embodiment, which shows a motor encoder connecting device, including a motor rotating shaft 1 and an encoder connecting shaft 2, wherein the motor rotating shaft 1 is in threaded connection with the encoder connecting shaft 2 and is fixed by a threaded fastening glue, one side of the motor rotating shaft 1 is provided with a central hole, a first conical surface is arranged in the central hole, an outer edge of one end of the encoder connecting shaft 2 is provided with a second conical surface 203, and the second conical surface 203 is matched with the first conical surface. In this embodiment, as shown in fig. 1, a center hole is formed in a middle portion of one side of the motor rotating shaft 1, a first conical surface is arranged on an inner side of the center hole and used for being matched with a second conical surface 203 on the encoder connecting shaft 2, wherein an inclination angle of the first conical surface is the same as that of the second conical surface 203, so that the second conical surface 203 can conveniently enter the first conical surface, the encoder connecting shaft 2 and the motor rotating shaft 1 can be conveniently connected and fixed, one end of the encoder connecting shaft 2 extends into the center hole and is in threaded connection with the motor rotating shaft 1, and thread fastening glue is refilled after threaded connection to fix the anti-loosening function.

Further, as a preferred embodiment, the central hole is a C-shaped central hole, an internal thread 101 is formed in the central hole, and the internal thread 101 is located on one side of the first conical surface. In this embodiment, as shown in fig. 1, the internal thread 101 is located at an opening of the first conical surface far from the central hole, and a radial length of the internal thread 101 is smaller than a minimum radial length of the first conical surface, where a radial length of an end of the first conical surface far from the internal thread 101 is larger than a radial length of an end of the first conical surface close to the internal thread 101.

Further, as a preferred embodiment, a thimble conical surface 103 is further disposed in the central hole, and the thimble conical surface 103 is located on the other side of the first conical surface. In this embodiment, the thimble conical surface 103 is located on one side of a conical surface close to the opening of the central hole, and the radial length of the end of the thimble conical surface 103 far away from the first conical surface is greater than the maximum radial length of the first conical surface, so that the end of the encoder connecting shaft 2 can enter the central hole conveniently.

Further, as a preferred embodiment, the outer edge of the encoder connecting shaft 2 is provided with a wrench bayonet structure 204, and the second conical surface 203 is located at one side of the wrench bayonet structure 204. The wrench bayonet structure 204 is used for connecting an external wrench, so that the encoder connecting shaft 2 can be rotated conveniently, and the encoder connecting shaft 2 is fixedly connected with the motor rotating shaft 1.

Further, as a preferred embodiment, an outer edge of one end of the encoder connecting shaft 2 is further provided with an external thread 201, and the external thread 201 is located on a side of the second conical surface 203 away from the wrench bayonet structure 204. The external thread 201 is used for matching with the internal thread 101 to realize threaded connection.

Further, as a preferred embodiment, a space 202 is provided between the external thread 201 and the second conical surface 203.

Further, as a preferred embodiment, the other end of the encoder connecting shaft 2 is a shaft extension 205, and the shaft extension 205 is used for connecting the encoder. In this embodiment, the shape and the size of the shaft extension 205 can be changed as required, so as to be suitable for encoders of various brands and specifications, and meet the requirements of different users, and the encoder connecting shaft 2 can be used for preparing materials according to the specifications of common encoders, so that the production period is shortened.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A motor encoder connecting device is characterized by comprising a motor rotating shaft and an encoder connecting shaft, wherein the motor rotating shaft is in threaded connection with the encoder connecting shaft and is fixed through threaded fastening glue, a center hole is formed in one side of the motor rotating shaft, a first conical surface is formed in the center hole, a second conical surface is arranged on the outer edge of one end of the encoder connecting shaft, and the second conical surface is matched with the first conical surface.

2. The electrical machine encoder connector of claim 1, wherein the central bore is a C-shaped central bore having internal threads formed therein and located on one side of the first conical surface.

3. The motor-encoder coupler of claim 2, wherein a thimble conical surface is further provided in the central bore, the thimble conical surface being on the other side of the first conical surface.

4. The motor encoder connecting device of claim 2, wherein the encoder connecting shaft is provided with a wrench bayonet structure at an outer edge thereof, and the second conical surface is located at one side of the wrench bayonet structure.

5. The motor encoder connecting device according to claim 4, wherein an outer thread is further provided on an outer edge of one end of the encoder connecting shaft, and the outer thread is located on a side of the second conical surface away from the wrench bayonet structure.

6. The motor encoder coupling of claim 5, wherein a void is provided between the external threads and the second conical surface.

7. The motor encoder connecting device of claim 1, wherein the other end of the encoder connecting shaft is a shaft extension for connecting an encoder.