CN210074955U

CN210074955U - Heat dissipation motor casing for new energy automobile

Info

Publication number: CN210074955U
Application number: CN201920795900.8U
Authority: CN
Inventors: 梁小林
Original assignee: Jiangsu Yilinlida Technology Co Ltd
Current assignee: Jiangsu Yilinlida Technology Co Ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-02-14
Anticipated expiration: 2029-05-30

Abstract

The utility model relates to a heat dissipation motor casing for new energy automobile, casing and pivot hole have, the central point that sets up at the circular terminal surface in casing right side in pivot hole department of putting is seted up, the bearing is installed to pivot hole periphery, the spacing groove has been seted up in the left side of bearing, casing periphery circumference is provided with the fin, the tail end of casing is equipped with the mount pad, be equipped with the through-hole on the mount pad, the casing afterbody is equipped with heat exchanger and rear end cap, the heat exchanger right side is equipped with dead lever and boss, the dead lever on the heat exchanger passes the through-hole on the mount pad, the rethread nut is screwed fixedly, be provided with radiator fan in the heat exchanger, the casing afterbody still is equipped with the recess, during rear end cap. The utility model aims at overcoming the defect that prior art exists, provide a motor for new energy automobile that stop device and heat dispersion are good with convenient additive lubricating oil.

Description

Heat dissipation motor casing for new energy automobile

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a new energy automobile is with heat dissipation motor casing.

Background

With the development of society and the advocation of topics such as resource conservation and environmental protection, new energy automobiles are favored by consumers due to the characteristics of fuel saving, environmental protection, low noise and the like, so that the new energy automobiles are gradually popularized in the market, more and more consumers are also put into the teams for the new energy automobiles, the motor is used as one of important parts of the new energy automobiles, and the quality and the performance of the motor are directly related to the quality of the automobiles. The radiating effect of current new energy automobile motor is not thorough, and when spacing is carried out to bearing in the motor casing, the bearing has directly been blocked to the spacing ring, and the bearing needs add lubricating oil to lubricate the performance of guaranteeing the later stage motor after using a period of time, just need pull down the spacing ring at this moment and carry out the interpolation of lubricating oil, and the operation is comparatively troublesome, wastes time and energy, and it is necessary to design a stop device and the good new energy automobile motor casing of heat dispersion that have convenient adding lubricating oil.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, provide a motor for new energy automobile that stop device and heat dispersion are good with convenient additive lubricating oil.

Realize the utility model discloses the technical scheme of purpose is: a heat dissipation motor casing for a new energy automobile is provided with a casing body and a rotating shaft hole; the rotating shaft hole is formed in the center of the circular end face on the right side of the shell; a bearing is arranged on the periphery of the rotating shaft hole; a limiting groove is formed in the left side of the bearing; a limiting device is arranged in the limiting groove; an inner lubricating oil channel and an outer lubricating oil channel are arranged on the limiting device; the limiting device is fixed in the limiting groove through threaded connection; a slope is arranged on the limiting device; radiating fins are circumferentially arranged on the periphery of the shell; a heat dissipation channel is formed in the heat dissipation sheet; the heat dissipation channel is a cylindrical channel; the tail end of the shell is provided with a mounting seat; the mounting seat is provided with a through hole; the tail part of the shell is provided with a heat dissipation cover and a rear end cover; a heat radiation fan is arranged in the heat radiation cover; the heat radiation fan is connected with the rotating shaft through screwing of the threads; the right side of the heat dissipation cover is provided with a fixed rod and a boss; the fixing rod on the heat dissipation cover penetrates through the through hole on the mounting seat and is screwed and fixed through the nut; the surface of the heat dissipation cover is provided with heat dissipation holes; a heat dissipation gap is formed in the rear end cover; the heat dissipation gap is arranged along the radial divergence of the rotating shaft hole; the tail part of the shell is also provided with a groove; the rear end cover and the boss are sequentially clamped into the groove.

Furthermore, the limiting device is a circular cylinder, and the inner lubricating oil channel and the outer lubricating oil channel on the limiting device are arranged on the limiting device in a staggered and continuous mode.

Further, the inner and outer lubrication oil passages communicate with a gap between the inner and outer rings of the bearing.

Further, the inner lubricating oil channel is composed of 2 1/4 circular arcs, the outer lubricating oil channel is composed of 2 1/4 circular arcs, the outer diameter of the inner lubricating oil channel is larger than the inner diameter of the inner lubricating oil channel, the outer diameter of the outer lubricating oil channel is larger than the inner diameter of the outer lubricating oil channel, and the inner diameter of the outer lubricating oil channel is the same as the outer diameter of the inner lubricating oil channel.

Further, the installation seats are arranged along the circumferential direction of the shell, and the number of the installation seats is 4.

Furthermore, the heat dissipation cover is in a hollow circular boss shape, and the heat dissipation holes are circular.

Further, the fixing rod and the heat dissipation cover are integrally formed.

Further, the outer diameter of the boss is the same as that of the groove 11, and the inner diameter of the boss is smaller than that of the groove.

Furthermore, a dustproof net is clamped between the boss and the rear end cover.

Further, the outer diameter of the dust screen is the same as that of the groove.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model discloses stop device's slope setting, make things convenient for the installation of pivot, the outer lubricating oil passageway and the convenient later stage of interior lubricating oil passageway of seting up on the stop device are in the bearing maintenance stage in addition, need not to pull down stop device, it can directly instil into outer lubricating oil passageway and interior lubricating oil passageway with lubricating oil, lubricating oil will be along in outer lubricating oil passageway gets into the clearance between bearing inner race and the inner circle, when realizing limit function like this, it just can lubricate to need not to dismantle stop device again, moreover, the steam generator is simple in structure, high durability and convenient installation, and reasonable design, therefore, the clothes-hanger is strong in practicability, finally, this stop device still plays the effect of a direction to the.

(2) The heat dissipation channel arranged on the heat dissipation sheet of the utility model is combined with the heat dissipation fan, so that the heat dissipation and cooling of the motor can be realized efficiently and rapidly, wherein the heat dissipation fan is driven by the rotating shaft to start rotating, the generated wind is divided into two paths, and one path of wind blows from the heat dissipation hole on the end face of the right side of the heat dissipation cover to the heat dissipation sheet on the periphery of the shell, so that the heat dissipation efficiency of the heat dissipation sheet is accelerated, and the heat dissipation quality is; in addition, the wind on the other way passes through the dust screen and blows in the shell from the heat dissipation gap on the rear end cover, the motor is cooled internally, the motor can be well protected from performance damage caused by overhigh temperature due to double heat dissipation effects, the dust can be prevented from entering the motor through the dust screen, and the dust screen can be replaced regularly.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the heat sink of the present invention;

fig. 4 is a left side view of the heat dissipation cover of the present invention;

FIG. 5 is a right side view of the heat dissipation cover of the present invention;

fig. 6 is a schematic structural view of the limiting device of the present invention.

The reference numbers in the drawings are as follows: the heat dissipation structure comprises a shell 1, a groove 11, a rotating shaft hole 2, a bearing 3, a heat dissipation fin 4, a heat dissipation channel 41, a mounting seat 42, a nut 43, a heat dissipation cover 5, a fixing rod 51, a heat dissipation hole 52, a boss 53, a heat dissipation fan 6, a rear end cover 7, a heat dissipation gap 72, a limiting groove 8, a limiting device 81, an inner lubricating oil channel 82, an outer lubricating oil channel 83, a slope 84 and a dust screen 9.

Detailed Description

(example 1)

Referring to fig. 1, the utility model has a heat dissipation motor casing for new energy automobile, which has a casing 1 and a rotating shaft hole 2, the rotating shaft hole 2 is arranged at the central position of the circular end face at the right side of the casing 1, a bearing 3 is arranged at the periphery of the rotating shaft hole 2, a limiting groove 8 is arranged at the left side of the bearing 3, threads are distributed at the inner periphery of the limiting groove 8, the rotating shaft hole 2, the bearing 3 and the limiting groove 8 are all coaxially arranged, radiating fins 4 are arranged at the periphery of the casing 1, a mounting seat 42 is arranged at the tail end of the casing 1, a through hole is arranged on the mounting seat 42, the mounting seat 42 is arranged along the periphery of the casing 1, the number is 4, a heat dissipation cover 5 and a rear end cover 7 are arranged at the tail part of the casing 1, the rotating shaft hole 2 is also arranged at the central position on the rear end cover 7, a fixing rod, a heat radiation fan 6 is arranged in the heat radiation cover 5, the heat radiation fan 6 is screwed and connected with the rotating shaft through threads, a groove 11 is further formed in the tail portion of the shell 1, the rear end cover 7 and the boss 53 are sequentially clamped into the groove 11, and a dust screen 9 is further clamped between the boss 53 and the rear end cover 7.

(example 2)

Referring to fig. 2 to 6, the present embodiment is substantially the same as the embodiment except that a limiting device 81 is installed in the limiting groove 8, the limiting device 81 is fixed in the limiting groove 8 by screw connection, an inner lubrication oil passage 82 and an outer lubrication oil passage 83 are provided on the limiting device 81, the limiting device 8 is a circular cylinder, the inner lubrication oil passage 82 and the outer lubrication oil passage 83 are alternately and continuously arranged on the limiting device 8, the inner lubrication oil passage 82 and the outer lubrication oil passage 83 are communicated with a gap between an inner ring and an outer ring of the bearing 3, the inner lubrication oil passage 82 is composed of 2 1/4 circular arcs, the outer lubrication oil passage 83 is composed of 2 1/4 circular arcs, the outer diameter of the inner lubrication oil passage 82 is larger than the inner diameter of the inner lubrication oil passage 82, the outer diameter of the outer lubrication oil passage 83 is larger than the inner diameter of the outer lubrication oil passage 83, the inner diameter of, the internal diameter of bearing 3 is the same with stop device 81 internal diameter, stop device 81 external diameter is greater than the external diameter of bearing 3, be transition installation between pivot and bearing 3 and stop device 81, stop device 81 is last to be provided with slope 84, slope 84 is favorable to the installation of pivot, heat dissipation channel 41 has been seted up in the fin 4, heat dissipation channel 41 is cylindrical passageway, heat exchanger 5 is cavity ring boss form, dead lever 51 and heat exchanger 5 are integrated into one piece, heat exchanger 5 surface is equipped with louvre 52, louvre 52 is circular, be provided with heat dissipation gap 72 on the rear end housing 7, heat dissipation gap 72 radially diverges along pivot hole 2 and sets up, the external diameter of boss 53 is the same with recess 11 external diameter, boss 53 internal diameter is less than recess 11 internal diameter, the dust screen 9 external diameter is the same with recess 11 external diameter.

The utility model discloses a theory of operation does: firstly, a rotating shaft, a rotor and a stator of a motor are installed in a shell 1 from the rear end of the shell 1, then a rear end cover 7 and a dustproof net 9 are sequentially sleeved on the rotating shaft, the rear end cover 7 and the dustproof net 9 are clamped in a groove 11, at the moment, a radiating fan 6 is screwed and connected to the rotating shaft through threads, finally, a radiating cover 5 covers the radiating fan 6, a boss 53 is aligned with the groove 11, a fixing rod 51 is aligned with a through hole in a mounting seat 42 and is screwed and connected through a nut 43, the radiating fan 6 starts to rotate under the driving of the rotating shaft, generated wind is divided into two paths, one path of wind is blown to radiating fins 4 on the periphery of the shell 1 from a radiating hole 52 on the end face on the right side of the radiating cover 5, the radiating efficiency of the radiating fins 4; the other path of wind passes through the dust screen 9 and is blown into the shell 1 from the heat dissipation gap 72 on the rear end cover 7, so as to cool the interior of the motor.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A heat dissipation motor casing for a new energy automobile is provided with a casing (1) and a rotating shaft hole (2); the rotating shaft hole (2) is formed in the center of the right circular end face of the shell (1); a bearing (3) is arranged on the periphery of the rotating shaft hole (2); the method is characterized in that: a limiting groove (8) is formed in the left side of the bearing (3); a limiting device (81) is arranged in the limiting groove (8); the limiting device (81) is fixed in the limiting groove (8) through threaded connection; an inner lubricating oil channel (82) and an outer lubricating oil channel (83) are arranged on the limiting device (81); a slope (84) is arranged on the limiting device (81); radiating fins (4) are circumferentially arranged on the periphery of the shell (1); a heat dissipation channel (41) is formed in the heat dissipation fin (4); the heat dissipation channel (41) is a cylindrical channel; the tail part of the shell (1) is provided with a mounting seat (42); the mounting seat (42) is provided with a through hole; the tail part of the shell (1) is provided with a heat dissipation cover (5) and a rear end cover (7); a heat radiation fan (6) is arranged in the heat radiation cover (5); the heat radiation fan (6) is connected with the rotating shaft through screwing of threads; a fixing rod (51) and a boss (53) are arranged on the right side of the heat dissipation cover (5); a fixing rod (51) on the heat dissipation cover (5) penetrates through a through hole on the mounting seat (42) and is screwed and fixed through a nut (43); the surface of the heat dissipation cover (5) is provided with heat dissipation holes (52); a heat dissipation gap (72) is formed in the rear end cover (7); the heat dissipation gap (72) is radially arranged along the rotating shaft hole (2) in a divergent mode; the tail part of the shell (1) is also provided with a groove (11); the rear end cover (7) and the boss (53) are sequentially clamped into the groove (11).

2. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the limiting device (81) is a circular cylinder, and the inner lubricating oil channel (82) and the outer lubricating oil channel (83) on the limiting device (81) are arranged on the limiting device (81) in a staggered and continuous mode.

3. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the inner lubricating oil channel (82) and the outer lubricating oil channel (83) are communicated with a gap between the inner ring and the outer ring of the bearing (3).

4. The heat dissipation motor casing for the new energy automobile according to claim 1 or 3, characterized in that: the inner lubricating oil channel (82) is composed of 2 1/4 circular arcs, the outer lubricating oil channel (83) is composed of 2 1/4 circular arcs, the outer diameter of the inner lubricating oil channel (82) is larger than the inner diameter of the inner lubricating oil channel (82), the outer diameter of the outer lubricating oil channel (83) is larger than the inner diameter of the outer lubricating oil channel (83), and the inner diameter of the outer lubricating oil channel (83) is the same as the outer diameter of the inner lubricating oil channel (82).

5. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the installation seats (42) are arranged along the circumferential direction of the shell (1), and the number of the installation seats is 4.

6. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the heat dissipation cover (5) is in a hollow circular boss shape, and the heat dissipation holes (52) are circular.

7. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the fixing rod (51) and the heat dissipation cover (5) are integrally formed.

8. The heat dissipation motor casing for the new energy automobile of claim 1, characterized in that: the outer diameter of the boss (53) is the same as that of the groove (11), and the inner diameter of the boss (53) is smaller than that of the groove (11).

9. The heat dissipation motor casing for the new energy automobile according to claim 1 or 7, characterized in that: and a dustproof net (9) is also clamped between the boss (53) and the rear end cover (7).

10. The heat dissipation motor casing for the new energy automobile of claim 9, characterized in that: the outer diameter of the dust screen (9) is the same as that of the groove (11).