Shaft core rotor shaft of motor

Abstract

The utility model relates to the field of motor accessories, in particular to a shaft core rotor shaft and a main shaft body of a motor, a first connecting mechanism is installed at the end of one side of the main shaft body, a second connecting mechanism is installed at the end of the other side, away from the first connecting mechanism, of the main shaft body, and an installation cavity is formed in the main shaft body and comprises an installation hole. A mounting hole is formed in the mounting cavity, the second connecting mechanism is mounted on one side of the mounting hole, a first threaded hole is formed in the position, located on one side of the mounting hole, in the mounting cavity, and the first connecting mechanism is mounted on one side of the first threaded hole. When the main shaft body is machined, only the main shaft bodies with different lengths need to be machined, other first connecting mechanisms and second connecting mechanisms can be produced in batches without changing the sizes, and only machining data need to be changed when the main shaft body is machined, so that the machining procedures are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor fittings technical field especially relates to motor's axle core rotor shaft. BACKGROUND

[0002] Motor refers to the electromagnetic device according to electromagnetic induction law and realizes electric energy conversion or transmission.It mainly includes motor and generator, motor is the equipment of electric energy conversion into mechanical energy, and generator is the mechanical energy conversion into electric energy.

[0003] Among them, the motor fittings include rotor shaft, some rotor shafts are integral type, when assembling different length motors, different length rotor shafts need to be selected, so different rotor shafts need to be manufactured, integral rotor shaft needs multiple machining processes to complete, so more machining processes are needed to manufacture rotor shafts of different sizes, and different size precision is ensured, so that the processing process is troublesome. UTILITY MODEL CONTENTS

[0004] The utility model discloses motor's axle core rotor shaft is provided to solve the shortcoming in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Motor's axle core rotor shaft, including spindle body, the one side end of spindle body installs first connecting mechanism, and the other side end of spindle body away from first connecting mechanism installs second connecting mechanism;

[0007] The inside of spindle body is provided with installation cavity, and the installation cavity includes installation hole, and second connecting mechanism is installed on one side of installation hole, and first threaded hole is arranged on one side of installation hole in installation cavity, and first connecting mechanism is installed on one side of first threaded hole.

[0008] In addition, preferably, the first connecting mechanism includes a first shaft body, a second shaft body is fixedly connected to one side of the first shaft body, and the second shaft body is installed on one side of the first threaded hole.

[0009] In addition, preferably, the second shaft body is fixedly connected to a screw rod at the other end away from the first shaft body, and the screw rod is rotatably arranged in the first threaded hole.

[0010] In addition, preferably, the second connecting mechanism includes a third shaft body, a fourth shaft body is fixedly connected to one side of the third shaft body, and the fourth shaft body is installed on one side of the installation hole.

[0011] In addition, preferably, the fourth shaft body is fixedly connected to a connecting shaft body at the other end away from the third shaft body, and the connecting shaft body is inserted into the installation hole.

[0012] In addition, preferably, a second threaded hole is formed in the connecting shaft body, and the screw end is rotatably arranged in the second threaded hole.

[0013] The utility model discloses the beneficial effect is: the utility model discloses through splitting rotor shaft into main shaft body, first connecting mechanism, second connecting mechanism, when assembling different size motor, only need to process different length main shaft body, other first connecting mechanism and second connecting mechanism's size are unchangeable and can batch production, only need when processing main shaft body, change processing data can, effectively reduce processing procedure. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 For the structure of rotor shaft Figure 1 ;

[0015] Figure 2 For the structure of rotor shaft Figure 2 ;

[0016] Figure 3 For the structure of rotor shaft after splitting

[0017] Figure 4 For the structure of main shaft body

[0018] Figure 5 For the structure of fourth shaft body.

[0019] In the drawing: 1 main shaft body, 11 installation cavity, 111 first threaded hole, 112 mounting hole, 2 first connecting mechanism, 21 first shaft body, 22 second shaft body, 211 screw rod, 3 second connecting mechanism, 31 third shaft body, 32 fourth shaft body, 321 connecting shaft body, 3211 second threaded hole. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-5 , the shaft core rotor shaft of motor, including main shaft body 1, the one side end of main shaft body 1 installs first connecting mechanism 2, the other side end of main shaft body 1 away from first connecting mechanism 2 installs second connecting mechanism 3, and main shaft body 1 is internally formed with installation cavity 11, and installation cavity 11 includes mounting hole 112, and second connecting mechanism 3 is installed at one side of mounting hole 112, and first threaded hole 111 is formed in the one side of mounting hole 112 in installation cavity 11, and first connecting mechanism 2 is installed at the one side of first threaded hole 111, and installation cavity 11 is used for installing first connecting mechanism 2 and second connecting mechanism 3, so that the rotor shaft is detachable.

[0022] The first connecting mechanism 2 comprises a first shaft body 21, one side of the first shaft body 21 is fixedly connected with a second shaft body 22, the second shaft body 22 is installed on one side of the first threaded hole 111, and the other end, away from the first shaft body 21, of the second shaft body 22 is fixedly connected with a screw rod 211, the screw rod 211 is rotatably arranged in the first threaded hole 111, and the screw rod 211 enables the first shaft body 21 to be connected to one side of the main shaft body 1.

[0023] Furthermore, the second connecting mechanism 3 comprises a third shaft body 31, one side of the third shaft body 31 is fixedly connected with a fourth shaft body 32, the fourth shaft body 32 is installed on one side of the mounting hole 112, and the other end, away from the third shaft body 31, of the fourth shaft body 32 is fixedly connected with a connecting shaft body 321, the connecting shaft body 321 is inserted into the mounting hole 112, a second threaded hole 3211 is formed in the connecting shaft body 321, the end of the screw rod 211 is rotatably arranged in the second threaded hole 3211, and the second threaded hole 3211 enables the screw rod 211 to be further connected into the second threaded hole 3211.

[0024] In the embodiment, the mounting cavity 11 is formed in the main shaft body 1, so that the rotor shaft is assembled, in the assembly of the rotor shaft, the fourth shaft body 32 is first inserted into the mounting cavity 11, the connecting shaft 321 is inserted into the mounting hole 112, then the first connecting mechanism 2 is installed, the screw rod 211 is screwed into the first threaded hole 111, and the screw rod 211 is screwed into the second threaded hole 3211, so that the first connecting mechanism 2 and the second connecting mechanism 3 are both installed on the two sides of the main shaft body 1.

[0025] When facing different sizes of motors, only the main shaft body 1 with different lengths needs to be processed, and the sizes of the first connecting mechanism 2 and the second connecting mechanism 3 remain unchanged and can be mass-produced, only the processing data needs to be changed when the main shaft body 1 is processed, and the processing procedure is effectively reduced.

[0026] In the utility model, the rotor shaft is divided into the main shaft body 1, the first connecting mechanism 2 and the second connecting mechanism 3, when assembling motors with different sizes, only the main shaft body 1 with different lengths needs to be processed, and the sizes of the first connecting mechanism 2 and the second connecting mechanism 3 remain unchanged and can be mass-produced, only the processing data needs to be changed when the main shaft body 1 is processed, and the processing procedure is effectively reduced.

[0027] The above merely describes a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art, according to the technical scheme and the utility model concept of the utility model, makes equivalent replacement or change within the technical range disclosed by the utility model, should be covered in the protection scope of the utility model.

Claims

1. A shaft core rotor shaft of an electric machine comprising a main shaft body (1), characterized in that The first connecting mechanism (2) is installed at one side end of the main shaft body (1), and the second connecting mechanism (3) is installed at the other side end of the main shaft body (1) away from the first connecting mechanism (2); The installation cavity (11) is internally provided with the installation hole (112), the second connecting mechanism (3) is installed at one side of the installation hole (112), the first threaded hole (111) is internally provided with the first connecting mechanism (2) at one side of the installation hole (112); The first connecting mechanism (2) comprises the first shaft body (21), and the second shaft body (22) is fixedly connected to one side of the first shaft body (21); The screw rod (211) is rotatably arranged in the first threaded hole (111) and fixedly connected to the other end of the second shaft body (22) away from the first shaft body (21); The second connecting mechanism (3) comprises the third shaft body (31), and the fourth shaft body (32) is fixedly connected to one side of the third shaft body (31).

2. The shaft core rotor shaft of the electric machine according to claim 1, characterized in that, The connecting shaft body (321) is inserted into the installation hole (112) and fixedly connected to the other end of the fourth shaft body (32) away from the third shaft body (31).

3. The shaft core rotor shaft of the electric machine according to claim 2, characterized in that, The second threaded hole (3211) is formed in the connecting shaft body (321), and the screw rod (211) is rotatably arranged in the second threaded hole (3211).

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