CN214177045U

CN214177045U - Assembled motor

Info

Publication number: CN214177045U
Application number: CN202120149988.3U
Authority: CN
Inventors: 曾子斌
Original assignee: Wenling City Jinmazhi Weite Motor Manufacturing Co ltd
Current assignee: Wenling City Jinmazhi Weite Motor Manufacturing Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-09-10
Anticipated expiration: 2031-01-20

Abstract

The utility model provides an assembly motor belongs to the motor and makes technical field. The motor solves the problems that when the existing motor runs at a high speed, a main shaft of the motor is eccentrically twisted, shaken and broken. The assembling structure of the assembled motor comprises an annular assembling sleeve, an axial assembling groove is formed in the middle of an assembling end cover of a left assembling shell, the assembling sleeve is assembled in the axial assembling groove in an axial inserting mode, the left end of a motor spindle extends out of the assembling sleeve, and a limiting structure is arranged between the assembling sleeve and the left assembling shell. The utility model has the advantages of reasonable design, simply, can ensure through setting up the equipment cover that motor spindle is in the water flat line, when motor spindle rotation work, be difficult for appearing distortion, cracked phenomenon, stable in structure, long service life can be used to motor spindle elongated special occasion.

Description

Assembled motor

Technical Field

The utility model belongs to the technical field of the motor is made, a assembly motor is related to.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, and mainly has the function of generating driving torque as a power source of electric appliances or various machines. The motor may be classified into a direct current motor and an alternating current motor according to the kind of the operating power source. Motors have found widespread use in various areas of life.

The motor spindle of the existing motor directly extends out of two ends of a motor shell, and when the motor spindle in the motor needs to be lengthened and applied to special transmission occasions, the motor is easy to shake when running at a high speed, and the work of the motor is directly influenced once shaking occurs during high-speed rotation, the motor spindle of the motor is easy to twist, when the motor rotates at a high speed, the motor spindle is twisted, and the work interruption is represented, and the broken motor spindle is easy to hurt surrounding workers, so that potential safety hazards exist.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, can ensure that motor spindle is in the horizontal line, the difficult cracked assembly motor of distortion of motor spindle.

The purpose of the utility model can be realized by the following technical proposal: an assembly motor comprises a left assembly shell and a right assembly shell which are both in a cylindrical shape, wherein the left assembly shell and the right assembly shell are axially fixedly assembled, the left end of the left assembly shell is provided with an assembly end cover which is in a circular shape, an inner rotor is arranged between the left assembly shell and the right assembly shell, a motor spindle is coaxially and fixedly arranged on the inner rotor in a penetrating manner, an outer stator is sleeved outside the inner rotor, the inner rotor and the outer stator are rotationally matched, the assembly motor is characterized in that the left end of the motor spindle penetrates through the left assembly shell and extends out of the left assembly shell, a first bearing is fixedly arranged at the left end of the motor spindle penetrating out of the left assembly shell, an assembly structure which enables the motor spindle to be coaxially assembled is arranged between the left end of the motor spindle and the left assembly shell, and the right end of the motor spindle penetrates through the right assembly shell and extends out of the right assembly shell, a second bearing is fixedly arranged at the right end of the motor main shaft penetrating through the right assembly shell, and an external spline sleeve is axially and fixedly connected with the end part of the right end of the motor main shaft; the assembling structure comprises an annular assembling sleeve, an axial assembling groove is formed in the middle of an assembling end cover of the left assembling shell, the assembling sleeve is assembled in the axial assembling groove in an inserting mode in the same axial direction, the left end of the motor spindle extends out of the assembling sleeve, and a limiting structure is arranged between the assembling sleeve and the left assembling shell.

The assembly motor is mainly provided with an assembly structure which enables the motor spindle to be coaxially assembled between the left end of the motor spindle and the left assembly shell, and the motor spindle can be ensured to be positioned on a horizontal line through the assembly structure and is not easy to shake or distort during rotation; under the limiting assembly effect of the assembly sleeve, the limiting sleeve has a wear-resistant effect, and can be used for limiting the rotation of the motor spindle, so that the motor spindle can be effectively prevented from being distorted due to eccentric rotation during rotation; the motor can be used in special occasions with lengthened motor spindles.

In foretell assembly motor, limit structure including the spacing ring that has the edge of turning up, the spacing ring demountable assembly in the notch department of the axial assembly groove of the assembly end cover of left side assembly casing, the edge of turning up of this spacing ring supports on the outer terminal surface that leans on the assembly end cover of left side assembly casing, the outer end of assembly cover the undergauge that has the outside extension of axial wears to establish the portion, this undergauge wears to establish the portion and forms axial step with the assembly cover, the supporting portion of wearing to establish of equipment pass from the spacing ring, this spacing ring supports to lean on the cooperation with the supporting axial step axial of equipment. The purpose of setting like this can effectively prevent the assembly cover axial outward displacement in the axial assembly groove, stable in structure.

In the assembled motor, the outer wall of the limit ring is provided with external threads, the inner wall of the notch of the axial assembling groove of the assembling end cover of the left assembling shell is provided with internal threads, and the external threads of the limit ring are spirally connected with the internal threads of the axial assembling groove of the assembling end cover of the left assembling shell to form detachable assembly. The purpose that sets up like this is that the quick dismantlement of the assembly end cover of convenient spacing ring and left side assembly casing links firmly convenient assembling.

In the assembled motor, the inner end surface of the assembling sleeve is provided with an axial boss, the bottom of the axial assembling groove of the assembling end cover of the left assembling shell is provided with a truncated cone-shaped inner convex position, and the axial boss of the assembling sleeve is positioned on the inner convex position of the bottom of the axial assembling groove of the assembling end cover of the left assembling shell. The purpose of setting up like this is to ensure that assembly kit timing and motor spindle are located same water flat line, convenient assembly.

In the assembled motor, the bearing I is in interference fit with the left end of the motor spindle, and the bearing II is in interference fit with the right end of the motor spindle. Specifically, the inner ring of the first bearing is in interference fit with the left end of the motor spindle when the first bearing is sleeved, and the inner ring of the second bearing is in interference fit with the right end of the motor spindle when the second bearing is sleeved.

In the assembled motor, the outer spline sleeve is provided with an axial groove, and the outer spline sleeve is in interference fit with the right end part of the motor spindle through the axial groove. The purpose of setting up like this is that the axial assembly of the right-hand member tip of convenient external spline cover and motor spindle, convenient assembling.

Compared with the prior art, the motor assembly has the advantages that: structural design is reasonable, simple, can ensure through setting up the equipment complete set that motor spindle is in the water flat line, when motor spindle rotary work, is difficult for appearing distortion, cracked phenomenon, stable in structure, long service life can be used to motor spindle lengthened special occasion.

Drawings

Fig. 1 is a schematic perspective view of the assembled motor.

Fig. 2 is a schematic sectional structure view of the present assembled motor.

In the figure, 1, a left assembly shell; 2. a right assembly housing; 3. assembling an end cover; 4. an inner rotor; 5. a motor spindle; 6. an outer stator; 7. a first bearing; 8. a second bearing; 9. an outer spline housing; 10. assembling; 11. turning out the edges; 12. a limiting ring; 13. reducing the diameter of the penetrating part; 14. an axial boss.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1 and 2, the assembled motor mainly comprises a left assembling shell 1 and a right assembling shell 2 which are both cylindrical, the left assembling shell 1 and the right assembling shell 2 are axially fixedly assembled, the left end of the left assembling shell 1 is provided with a circular assembling end cover 3, an inner rotor 4 is arranged between the left assembling shell 1 and the right assembling shell 2, a motor main shaft 5 is coaxially and fixedly penetrated on the inner rotor 4, an outer stator 6 is sleeved outside the inner rotor 4, the inner rotor 4 is rotationally matched with the outer stator 6, the left end of the motor main shaft 5 penetrates through the left assembling shell 1 and extends out of the left assembling shell 1, a bearing I7 is fixedly arranged at the left end of the motor main shaft 5 penetrating out of the left assembling shell 1, an assembling structure which enables the motor main shaft 5 to be coaxially assembled is arranged between the left end of the motor main shaft 5 and the left assembling shell 1, the right end of the motor main shaft 5 penetrates through the right assembling shell 2 and extends out of the right assembling shell 2, a second bearing 8 is fixedly arranged at the right end of the motor spindle 5 penetrating through the right assembly shell 2, and an external spline sleeve 9 is axially and fixedly connected to the end part of the right end of the motor spindle 5; in actual manufacturing, the specific implementation of the assembly structure is as follows: the assembling sleeve is mainly composed of an annular assembling sleeve 10, an axial assembling groove is formed in the middle of an assembling end cover 3 of a left assembling shell 1, the assembling sleeve 10 is coaxially inserted and assembled in the axial assembling groove, the left end of a motor spindle 5 extends out of the assembling sleeve 10, and a limiting structure is arranged between the assembling sleeve 10 and the left assembling shell 1.

During actual manufacturing, the specific implementation mode of the limiting structure is as follows: the assembling device mainly comprises a limiting ring 12 with an outward turning edge 11, wherein the limiting ring 12 is detachably assembled at the notch of an axial assembling groove of an assembling end cover 3 of a left assembling shell 1, the outward turning edge 11 of the limiting ring 12 abuts against the outer end face of the assembling end cover 3 of the left assembling shell 1, the outer end of an assembling sleeve 10 is provided with a reducing penetrating part 13 which extends outwards in the axial direction, the reducing penetrating part 13 and the assembling sleeve 10 form an axial step, the penetrating part of the assembling sleeve 10 penetrates through the limiting ring 12, and the limiting ring 12 and the axial step of the assembling sleeve 10 are abutted and matched in the axial direction; specifically, the method comprises the following steps: the outer wall of the limiting ring 12 is provided with external threads, the inner wall of a notch of an axial assembly groove of the assembly end cover 3 of the left assembly shell 1 is provided with internal threads, and the external threads of the limiting ring 12 are spirally connected with the internal threads of the axial assembly groove of the assembly end cover 3 of the left assembly shell 1 to form detachable assembly; in order to ensure the accuracy of the assembly sleeve 10 in the assembly position in the axial assembly groove of the assembly end cap 3 of the left assembly housing 1, the inner end face of the assembly sleeve 10 is provided with an axial boss 14, the groove bottom of the axial assembly groove of the assembly end cap 3 of the left assembly housing 1 is provided with a truncated cone-shaped inner protrusion, and the axial boss 14 of the assembly sleeve 10 is positioned on the inner protrusion of the groove bottom of the axial assembly groove of the assembly end cap 3 of the left assembly housing 1.

During actual manufacturing, the first bearing 7 is in interference fit with the left end of the motor main shaft 5, and the second bearing 8 is in interference fit with the right end of the motor main shaft 5; the external spline sleeve 9 is provided with an axial groove, and the external spline sleeve 9 is in interference fit with the right end part of the motor spindle 5 through the axial groove.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An assembled motor comprises a left assembled shell (1) and a right assembled shell (2) which are both in a cylindrical shape, wherein the left assembled shell (1) and the right assembled shell (2) are assembled in an axial fixed mode, the left end of the left assembled shell (1) is provided with an assembled end cover (3) in a circular shape, an inner rotor (4) is arranged between the left assembled shell (1) and the right assembled shell (2), a motor spindle (5) is fixedly arranged on the inner rotor (4) in an axial direction in a penetrating mode, an outer stator (6) is sleeved outside the inner rotor (4), the inner rotor (4) is in rotating fit with the outer stator (6), the assembled motor is characterized in that the left end of the motor spindle (5) penetrates through the left assembled shell (1) and extends to the outside of the left assembled shell (1), and a bearing I (7) is fixedly arranged at the left end of the motor spindle (5) which penetrates through the outside the left assembled shell (1), an assembly structure for coaxially assembling the motor spindle (5) is arranged between the left end of the motor spindle (5) and the left assembly shell (1), the right end of the motor spindle (5) penetrates through the right assembly shell (2) and extends out of the right assembly shell (2), a second bearing (8) is fixedly arranged at the right end of the motor spindle (5) penetrating out of the right assembly shell (2), and an external spline sleeve (9) is fixedly connected to the end part of the right end of the motor spindle (5) in the axial direction; the assembling structure comprises an assembling sleeve (10) which is annular, an axial assembling groove is formed in the middle of an assembling end cover (3) of the left assembling shell (1), the assembling sleeve (10) is assembled in the axial assembling groove in an inserting mode in the same axial direction, the left end of the motor spindle (5) extends out of the assembling sleeve (10), and a limiting structure is arranged between the assembling sleeve (10) and the left assembling shell (1).

2. The assembled motor according to claim 1, wherein the limiting structure comprises a limiting ring (12) with an outward turning edge (11), the limiting ring (12) is detachably assembled at a notch of an axial assembling groove of the assembling end cover (3) of the left assembling shell (1), the outward turning edge (11) of the limiting ring (12) abuts against the outer end face of the assembling end cover (3) of the left assembling shell (1), the outer end of the assembling sleeve (10) is provided with a reducing penetrating part (13) extending outwards in the axial direction, the reducing penetrating part (13) and the assembling sleeve (10) form an axial step, the penetrating part of the assembling sleeve (10) penetrates through the limiting ring (12), and the axial step of the limiting ring (12) and the axial step of the assembling sleeve (10) are abutted and matched.

3. The assembled motor according to claim 2, wherein the outer wall of the limit ring (12) is provided with external threads, the inner wall of the notch of the axial assembling groove of the assembling end cover (3) of the left assembling shell (1) is provided with internal threads, and the external threads of the limit ring (12) are spirally connected with the internal threads of the axial assembling groove of the assembling end cover (3) of the left assembling shell (1) to form a detachable assembly.

4. A mounted electric machine according to claim 3, characterized in that the inner end face of the mounting sleeve (10) is provided with an axial boss (14), the bottom of the axial mounting groove of the mounting end cap (3) of the left mounting shell (1) is provided with a truncated cone-shaped inward protrusion, and the axial boss (14) of the mounting sleeve (10) is positioned on the inward protrusion of the bottom of the axial mounting groove of the mounting end cap (3) of the left mounting shell (1).

5. An assembled motor according to claim 4, wherein the first bearing (7) is in interference fit with the left end of the motor main shaft (5), and the second bearing (8) is in interference fit with the right end of the motor main shaft (5).

6. An assembled electric motor as claimed in claim 5, characterised in that the externally splined sleeve (9) has axial grooves therein, the externally splined sleeve (9) being fitted by interference with the right end of the motor spindle (5) via the axial grooves.