CN218587023U

CN218587023U - Integrated speed reducing motor

Info

Publication number: CN218587023U
Application number: CN202222952851.9U
Authority: CN
Inventors: 曾海军; 倪春蕾; 骆路宝; 唐国静
Original assignee: Tanli Power Technology Chongqing Co ltd
Current assignee: Tanli Power Technology Chongqing Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-07
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses an integrated gear motor in the technical field of electric motorcycle power system, including motor body and reducing gear box, the motor body includes stator shell, output end shell and motor output shaft, the reducing gear box includes inner end shell, outer end shell, first reduction gear, second reduction gear and third reduction gear, still including the connecting axle, the gear shaft is made into with first reduction gear an organic whole, the end of connecting axle has seted up the external splines, the end of motor output shaft has seted up the internal spline with external splines phase-match, first reduction gear and second reduction gear mesh, second reduction gear and third reduction gear mesh, inner end shell and output end shell fixed connection; the utility model discloses compare in prior art's beneficial effect for through fixing first speed reduction tooth on the connecting axle, cooperate connecting axle and motor output shaft to connect again, can reduce the restraint of reducing gear box to motor output shaft, improve motor life, it is more convenient to dismantle.

Description

Integrated speed reducing motor

Technical Field

The utility model relates to an electric motorcycle car driving system technical field specifically indicates an integral type gear motor.

Background

The primary transmission gear of the existing reduction box of the existing electric motorcycle is directly arranged on the output shaft of the motor, and the installation precision of the motor can influence the matching precision of the gear in the reduction box; the reduction gearbox and the motor are in a sealing relation, and an object assembly needs to be disassembled during maintenance, so that the power source is inconvenient to disassemble and replace independently; the existing motor output shaft and the primary transmission gear of the reduction gearbox are fixedly assembled to cause over-constraint on the motor output shaft, and meanwhile, the motor output shaft can bear radial force and axial force, so that the service life and the reliability of the motor are reduced.

In summary, the applicant proposes an integrated geared motor.

SUMMERY OF THE UTILITY MODEL

In view of the reducing gear box one-level driving gear direct mount that prior art exists leads to the installation accuracy to expect highly on the motor output shaft, has sealed relation to lead to dismantling the difficulty between reducing gear box and the motor, and motor output shaft and one-level driving gear fixed assembly lead to the problem that the motor life-span reduces, the utility model discloses technical scheme provides an integral type gear motor who solves above-mentioned problem.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

an integrated speed reduction motor comprises a motor body and a speed reduction box, wherein the motor body comprises a stator shell, an output end shell and a motor output shaft, the speed reduction box comprises an inner end shell, an outer end shell, a first speed reduction gear, a second speed reduction gear and a third speed reduction gear, the inner end shell is hermetically connected with the outer end shell, the first speed reduction gear, the second speed reduction gear and the third speed reduction gear are all arranged inside the outer end shell and the inner end shell, the speed reduction motor also comprises a connecting shaft, the connecting shaft and the first speed reduction gear are integrally manufactured into a gear shaft, an external spline is arranged at the end of the connecting shaft, an internal spline matched with the external spline is arranged at the end of the motor output shaft, the first speed reduction gear is meshed with the second speed reduction gear, the second speed reduction gear is meshed with the third speed reduction gear, the first speed reduction gear, the second speed reduction gear and the third speed reduction gear are all rotatably connected inside the outer end shell and the inner end shell, and the output end shell are fixedly connected; like this with the reducing gear box as the first reduction gear of one-level driving gear pass through the output shaft of connecting axle with the motor, the installation accuracy of motor is littleer to the gear fit precision in the reducing gear box, and do not have sealed relation between motor and the reducing gear box, it is more convenient that reducing gear box and motor all dismantle, need not dismantle reducing gear box and motor together, the end of motor output shaft is seted up the internal spline and is made the axle sleeve form and be connected with the connecting axle cooperation, reduction reducing gear box that can be great is to the restraint of motor output shaft, the life and the reliability of motor have been improved.

Further limited, the third reduction gear is connected on the output shaft in a penetrating way, and the end head of the output shaft is connected with a driving chain wheel in a penetrating way.

The stator is further limited, the stator further comprises a reduction gearbox reinforcing support, the position of the inner end shell corresponding to the third reduction gear is in a conical barrel shape, an output shaft is rotatably connected onto the inner end shell in a penetrating mode through a bearing, one end of the reduction gearbox reinforcing support is in a circular ring shape, the circular ring-shaped end of the reduction gearbox reinforcing support is sleeved on the conical barrel of the inner end shell, and the other end of the reduction gearbox reinforcing support is fixed on the stator shell through a bolt; the inner end shell corresponding to the third speed reduction gear is made into a conical cylinder shape so as to be better fixed with an output shaft with a certain length, the speed reduction box is connected with the stator shell of the motor through the speed reduction box reinforcing support so that the speed reduction box is more stable to fix, and a fixed point is added so that the stress is more uniform.

The limit is further realized, a spline is arranged at the end of the output shaft, the driving sprocket is connected to the output shaft in a penetrating mode through the spline, the front side and the rear side of the driving sprocket are respectively provided with an O-shaped check ring for limiting, and the distance between the two O-shaped check rings is larger than the thickness of the driving sprocket so that the driving sprocket can move back and forth on the output shaft; carry out spacing and the distance between two O type retaining rings makes drive sprocket can move on the output shaft through two O type retaining rings like this, can make drive sprocket can adjust the position by oneself with the best transmission position of cooperation rear wheel like this.

The utility model discloses compare in prior art's beneficial effect for through fixing first speed reduction tooth on the connecting axle, cooperate connecting axle and motor output shaft to connect again, can reduce the restraint of reducing gear box to motor output shaft, improve motor life, it is more convenient to dismantle.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the reduction box of the present invention;

fig. 3 is a structural schematic diagram of the first reduction gear and the connecting shaft.

The corresponding labels in the figures are: 1-stator shell, 2-output end shell, 3-inner end shell, 4-outer end shell, 5-first reduction gear, 6-second reduction gear, 7-third reduction gear, 8-output shaft, 9-O-shaped retainer ring, 10-connecting shaft and 11-reduction box reinforcing support.

Detailed Description

In order to make the technical solution of the present invention better understood, the following embodiments are further described with reference to the accompanying drawings and examples.

The embodiment is as follows:

as shown in fig. 1-3, an integrated gear motor comprises a motor body and a reduction gearbox, wherein the motor body comprises a stator shell 1, an output end shell 2 and a motor output shaft, the reduction gearbox comprises an inner end shell 3, an outer end shell 4, a first gear reduction tooth 5, a second gear reduction tooth 6 and a third gear reduction tooth 7, the inner end shell 3 is hermetically connected with the outer end shell 4, the first gear reduction tooth 5, the second gear reduction tooth 6 and the third gear reduction tooth 7 are all arranged inside the outer end shell 4 and the inner end shell 3, the integrated gear motor also comprises a connecting shaft 10, the connecting shaft 10 and the first gear reduction tooth 5 are integrally manufactured into a gear shaft, an end of the connecting shaft 10 is provided with an external spline, an end of the motor output shaft is provided with an internal spline matched with the external spline, the first gear reduction tooth 5 is meshed with the second gear reduction tooth 6, the second gear reduction tooth 6 is meshed with the third gear reduction tooth 7, the first gear reduction tooth 5, the second gear reduction tooth 6 and the third gear reduction tooth 7 are all rotatably connected inside the outer end shell 4 and the inner end shell 3, and the inner end shell 3 is fixedly connected with the output end shell 2; the third reduction gear 7 is connected to the output shaft 8 in a penetrating manner, a spline is arranged at the end of the output shaft 8, the driving sprocket is connected to the output shaft 8 in a penetrating manner through the spline, the front side and the rear side of the driving sprocket are respectively provided with an O-shaped retainer ring 9 for limiting the driving sprocket, and the distance between the two O-shaped retainer rings 9 is larger than the thickness of the driving sprocket so that the driving sprocket can move back and forth on the output shaft 8; the stator comprises an inner end shell 3 and an output shaft 8, and is characterized by further comprising a reduction gearbox reinforcing support 11, wherein the position, corresponding to the third reduction gear 7, of the inner end shell 3 is in a conical barrel shape, the output shaft is rotatably connected onto the inner end shell 3 in a penetrating mode through a bearing, one end of the reduction gearbox reinforcing support 11 is in a circular ring shape, the circular ring-shaped end of the reduction gearbox reinforcing support 11 is sleeved on the conical barrel of the inner end shell 3, and the other end of the reduction gearbox reinforcing support 11 is fixed on the stator shell 1 through bolts.

Therefore, the reduction gearbox is used as the first reduction gear 5 of the primary transmission gear and is connected with the output shaft of the motor through the connecting shaft 10, the installation precision of the motor has less influence on the matching precision of the gear in the reduction gearbox, the motor and the reduction gearbox are not in a sealing relation, the reduction gearbox and the motor are both more convenient to disassemble, the reduction gearbox and the motor do not need to be disassembled together, the end head of the output shaft of the motor is provided with an internal spline to be made into a shaft sleeve shape to be matched and connected with the connecting shaft 10, the constraint of the reduction gearbox on the output shaft of the motor can be greatly reduced, and the service life and the reliability of the motor are improved; the inner end shell 3 corresponding to the third reduction gear 7 is made into a conical cylinder shape so as to be capable of better fixing an output shaft 8 with a certain length, the reduction gearbox is connected with the stator shell 1 of the motor through a reduction gearbox reinforcing support 11 so as to be more stable in fixing, and a fixed point is added so as to be more uniform in stress; like this carry on spacingly to drive sprocket through two O type retaining rings 9 and the distance between two O type retaining rings 9 makes drive sprocket can move on output shaft 8, can make drive sprocket can adjust the position by oneself with the best transmission position of cooperation rear wheel like this.

The utility model discloses compare in prior art's beneficial effect for fixing on the connecting axle through with first reduction gear, cooperate connecting axle and motor output shaft again and connect, can reduce the restraint of reducing gear box to motor output shaft, improve motor life, it is more convenient to dismantle.

In this specification, the inner and outer directions are inward in the direction of the motor, and the front and rear directions are axial directions of the output shaft.

It is right above the utility model provides an integral type gear motor has been introduced in detail, and the description of specific embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. Integral type gear motor, including motor body and reducing gear box, its characterized in that: the motor body comprises a stator shell, an output end shell and a motor output shaft, the reduction gearbox comprises an inner end shell, an outer end shell, first reduction teeth, second reduction teeth and third reduction teeth, the inner end shell is hermetically connected with the outer end shell, the first reduction teeth, the second reduction teeth and the third reduction teeth are all arranged inside the outer end shell and the inner end shell, the reduction gearbox further comprises a connecting shaft, the connecting shaft and the first reduction teeth are integrally manufactured into a gear shaft, an external spline is arranged at the end of the connecting shaft, an internal spline matched with the external spline is arranged at the end of the motor output shaft, the first reduction teeth are meshed with the second reduction teeth, the second reduction teeth are meshed with the third reduction teeth, the first reduction teeth, the second reduction teeth and the third reduction teeth are all rotatably connected inside the outer end shell and the inner end shell, and the inner end shell is fixedly connected with the output end shell.

2. The integrated geared motor according to claim 1, wherein: the third speed reduction gear is connected to the output shaft in a penetrating mode, and a driving chain wheel is connected to the end of the output shaft in a penetrating mode.

3. The integrated reduction motor according to claim 2, wherein: the stator comprises an inner end shell, a third speed reduction tooth, a speed reduction box reinforcing support and an output shaft, wherein the position of the inner end shell corresponding to the third speed reduction tooth is in a conical barrel shape, the output shaft is rotatably connected onto the inner end shell in a penetrating mode through a bearing, one end of the speed reduction box reinforcing support is in a circular ring shape, the circular ring-shaped end of the speed reduction box reinforcing support is sleeved on the conical barrel of the inner end shell, and the other end of the speed reduction box reinforcing support is fixed on the stator shell through a bolt.

4. The integrated reduction motor according to claim 2, wherein: the end of the output shaft is provided with a spline, the driving sprocket is connected to the output shaft in a penetrating mode through the spline, the front side and the rear side of the driving sprocket are respectively provided with an O-shaped check ring for limiting, and the distance between the two O-shaped check rings is larger than the thickness of the driving sprocket so that the driving sprocket can move back and forth on the output shaft.