CN211127372U

CN211127372U - Heat dissipation motor end cover for new energy electric automobile

Info

Publication number: CN211127372U
Application number: CN201921030535.8U
Authority: CN
Inventors: 梁小林
Original assignee: Jiangsu Yilinlida New Energy Technology Co ltd
Current assignee: Jiangsu Yilinlida New Energy Technology Co ltd
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2020-07-28
Anticipated expiration: 2029-07-04

Abstract

The utility model relates to a new forms of energy electric automobile is with heat dissipation motor end cover, the front end lid has, front end lid periphery is equipped with the apron, be equipped with the mounting hole on the apron, front end lid central point puts the department and is equipped with the pivot hole, pivot hole periphery is equipped with the bearing ring, the heat dissipation window has been seted up on the front end lid terminal surface, the bearing ring just has seted up first heat dissipation channel to heat dissipation window position department, the left side of front end lid still is equipped with dustproof heat dissipation layer, form a heat dissipation cavity between dustproof heat dissipation layer and the front end lid, dustproof chamber has been seted up in the middle of the dustproof heat dissipation layer, dustproof pad has been placed to dustproof intracavity portion, the dustproof heat dissipation of the dustproof chamber left and right sides is gone up on the dustproof heat dissipation layer and has been seted. The utility model aims at overcoming the defect that prior art exists, providing one kind and can guaranteeing motor inside seal nature, can have fine radiating effect's motor front end housing again.

Description

Heat dissipation motor end cover for new energy electric automobile

Technical Field

The utility model belongs to the technical field of the motor is made and specifically relates to a new forms of energy electric automobile is with heat dissipation motor end cover.

Background

The new energy electric automobile is gradually accepted by consumers due to the advantages of low noise, environmental protection, no pollution, natural resource saving and the like, the motor is used as one of the core parts of the new energy electric automobile, and the quality and the performance of the motor directly influence the later-stage automobile using experience of the consumers and the safety problem of the automobile body in the using process. The existing electric vehicle motor can generate great heat in the working process, the existing heat dissipation treatment mainly aims at the inside of the motor and a machine body shell for heat dissipation, the fact that a front end cover of the motor can generate a great deal of heat in a bearing chamber under the condition that a rotating shaft rotates for a long time or at a high speed is greatly unknown, the traditional heat dissipation mode is that heat dissipation ribs are arranged on the surface of the front end cover or a large hole is directly formed in the front end cover for heat dissipation, the heat dissipation effect of the front end cover is not obvious, but the sealing performance of the motor can be ensured; the motor has good heat dissipation effect but poor sealing performance, and the motor has dust entering the motor after being used for a period of time, so that the service life of the motor is shortened. Therefore, it is necessary to design a motor front end cover which can ensure the internal sealing performance of the motor and has a good heat dissipation effect.

Disclosure of Invention

The utility model aims at overcoming the defect that prior art exists, providing one kind and can guaranteeing motor inside seal nature, can have fine radiating effect's motor front end housing again.

Realize the utility model discloses the technical scheme of purpose is: a heat dissipation motor end cover for a new energy electric automobile is provided with a front end cover body; a cover plate is arranged on the periphery of the front end cover body; the cover plate is provided with a mounting hole; a rotating shaft hole is formed in the center of the front end cover body; a bearing ring is arranged on the periphery of the rotating shaft hole; the end surface of the front end cover body is provided with a heat dissipation window; a first heat dissipation channel is formed in the position, opposite to the heat dissipation window, of the bearing ring and is communicated with the heat dissipation window; the left side of the front end cover body is also provided with a dustproof heat dissipation layer; a heat dissipation cavity is formed between the dustproof heat dissipation layer and the front end cover body; a dustproof cavity is formed in the middle of the dustproof heat dissipation layer; a dustproof pad is arranged in the dustproof cavity; a strip-shaped second heat dissipation channel is formed in the dustproof heat dissipation layer on the left side and the right side of the dustproof cavity; a sealing groove is formed in the periphery of the dustproof cavity; the sealing groove is internally provided with a locking nut to realize sealing, and the dustproof cavity is provided with a section of arc-shaped opening so that the dustproof cavity is communicated with the sealing groove and used for replacing the dustproof pad; and a strip-shaped reinforcing rib is further arranged in the heat dissipation cavity, and the dustproof heat dissipation layer and the front end cover body are connected through the reinforcing rib and used for supporting the dustproof heat dissipation layer.

Furthermore, the number of the heat dissipation windows is 4, the heat dissipation windows are centered on the rotating shaft hole and are circumferentially and uniformly distributed on the end face of the front end cover body.

Further, the first heat dissipation channel and the heat dissipation window are arranged in pair.

Further, the right side of the heat dissipation cavity is communicated with the inside of the motor through a heat dissipation window.

Furthermore, the heat dissipation cavity is communicated with the first heat dissipation channel through a heat dissipation window.

Furthermore, the left side of the heat dissipation cavity is communicated with the outside through a second heat dissipation channel formed in the dustproof heat dissipation layer.

Furthermore, the reinforcing ribs are circumferentially and uniformly distributed on the periphery of the rotating shaft hole and are alternately arranged with the heat dissipation window.

After the technical scheme is adopted, the utility model discloses following positive effect has: the utility model discloses set up heat dissipation window, first heat dissipation passageway and second heat dissipation passageway on motor front end housing, the heat dissipation direction has two kinds: one is that the heat in the motor shell passes through the heat dissipation window, passes through the heat dissipation cavity and is discharged to the outside through the second heat dissipation channel; the other is that the heat inside the bearing chamber passes through the first heat dissipation channel and the heat dissipation window, passes through the heat dissipation cavity and is discharged to the outside through the second heat dissipation channel; in addition, the front end cover has a multi-hole structure, and the self heat dissipation effect of the structure is good. In addition, the structure with the multiple holes is dustproof when heat is dissipated, the dustproof cavity is formed in the dustproof heat dissipation layer, the inner dustproof pad can be replaced through the arc-shaped opening communicated with the dustproof cavity through the sealing groove, the dustproof pad is circular, the hole slightly larger than the diameter of the rotating shaft is formed in the center of the dustproof pad, the dustproof pad is convenient to install, the front end cover of the motor is firstly detached before the dustproof pad is replaced, then the screw on the locking nut is screwed down, the locking nut is detached, and replacement can be achieved. This scheme design is simple reasonable, the radiating effect is good, and convenient the change is of value to the life who improves the motor.

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 view of the present invention;

fig. 2 is a sectional view taken along line a-a of the present invention.

The reference numbers in the drawings are as follows: the heat dissipation structure comprises a front end cover body 1, a cover plate 2, a mounting hole 3, a bearing ring 4, a first heat dissipation channel 41, a rotating shaft hole 5, a heat dissipation window 6, a reinforcing rib 7, a dustproof heat dissipation layer 8, a second heat dissipation channel 81, a dustproof cavity 82, a dustproof pad 83, a sealing groove 9, an arc-shaped opening 91, a locking nut 92 and a heat dissipation cavity 10.

Detailed Description

(example 1)

Referring to fig. 1 and fig. 2, the utility model has a front end cover body, a cover plate 2 is arranged on the periphery of the front end cover body 1, the material of the cover plate 2 is the same as that of the front end cover body 1, the cover plate 2 and the front end cover body 1 are of an integral structure, mounting holes 3 are arranged on the cover plate 2, the mounting holes 3 are used for connecting the front end cover with a motor shell, the number of the mounting holes 3 is 4, a rotating shaft hole 5 is arranged at the central position of the front end cover body 1, a bearing ring 4 is arranged on the periphery of the rotating shaft hole 5, a heat radiation window 6 is arranged on the end surface of the front end cover body 1, the number of the heat radiation windows 6 is 4, the rotating shaft hole 5 is taken as the center, the heat radiation window 1 is circumferentially and uniformly distributed on the end surface, the bearing ring 4 is just opposite to the position of the heat radiation window 6, the first heat radiation channel 41 is communicated with the, the number of the first heat dissipation channels 41 is also 4, the left side of the front end cover body 1 is further provided with a dustproof heat dissipation layer 8, a heat dissipation cavity 10 is formed between the dustproof heat dissipation layer 8 and the front end cover body 1, the right side of the heat dissipation cavity 10 is communicated with the inside of the motor through a heat dissipation window 6, the heat dissipation cavity 10 is further communicated with the first heat dissipation channels 41 through the heat dissipation window 6, the heat dissipation cavity 10 is further provided with strip-shaped reinforcing ribs 7, the reinforcing ribs 7 are circumferentially and uniformly distributed on the periphery of the rotating shaft hole 5, and set up with heat dissipation window 6 in turn, strengthening rib 7 is connected dustproof heat dissipation layer 8 and front end lid 1 for support dustproof heat dissipation layer 8, play a reinforced effect, seted up dustproof chamber 82 in the middle of the dustproof heat dissipation layer 8, dustproof chamber 82 has placed dustproof pad 83 inside, and dustproof pad 83 is circular, and dustproof pad 83 central point puts the department of locating to set up slightly is greater than the hole of pivot diameter, easy to assemble. The dustproof heat dissipation layer 8 on the left side and the right side of the dustproof cavity 82 is provided with a strip-shaped second heat dissipation channel 81, the quantity of the second heat dissipation channels 81 can be set according to user requirements, the left side of the heat dissipation cavity 10 is communicated with the outside through the second heat dissipation channels 81 arranged on the dustproof heat dissipation layer 8, the periphery of the dustproof cavity 82 is provided with a sealing groove 9, sealing is achieved in the sealing groove 9 through installing a locking nut 92, a section of arc-shaped opening 91 is arranged on the dustproof cavity 82, communication is achieved between the dustproof cavity 82 and the sealing groove 9, and the dustproof pad 83 is replaced.

The utility model discloses a theory of operation does: during the installation, earlier place dustproof pad 83 in dustproof chamber 82 through arc opening 91, lock sealed with lock nut 92 afterwards, then install bearing and pivot, the pivot passes the front end housing and stretches out, and the front end housing carries out fixed mounting with mounting hole 3 and motor casing with the bolt. In operation, the inside heat of motor casing passes heat dissipation cavity 10 through heat dissipation window 6, arranges the outside through second heat dissipation channel 81, and the inside heat of bearing chamber passes through 41 and heat dissipation window 6 through first heat dissipation, passes heat dissipation cavity 10, arranges the outside through second heat dissipation channel 81, and when dustproof pad 83 changed, pull down the motor front end housing earlier, then unscrew the screw on the lock nut 92, pull down lock nut 92, can change.

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 end cover for a new energy electric automobile is provided with a front end cover body (1); a cover plate (2) is arranged on the periphery of the front end cover body (1); the cover plate (2) is provided with a mounting hole (3); a rotating shaft hole (5) is formed in the center of the front end cover body (1); a bearing ring (4) is arranged on the periphery of the rotating shaft hole (5); the method is characterized in that: a heat dissipation window (6) is arranged on the end face of the front end cover body (1); a first heat dissipation channel (41) is formed in the position, opposite to the heat dissipation window (6), of the bearing ring (4), and the first heat dissipation channel (41) is communicated with the heat dissipation window (6); a dustproof heat dissipation layer (8) is further arranged on the left side of the front end cover body (1); a heat dissipation cavity (10) is formed between the dustproof heat dissipation layer (8) and the front end cover body (1); a dustproof cavity (82) is formed in the middle of the dustproof heat dissipation layer (8); a dustproof pad (83) is arranged in the dustproof cavity (82); the dustproof heat dissipation layers (8) on the left side and the right side of the dustproof cavity (82) are provided with strip-shaped second heat dissipation channels (81); a sealing groove (9) is formed in the periphery of the dustproof cavity (82); the sealing groove (9) is internally provided with a locking nut (92) to realize sealing; a section of circular arc-shaped opening (91) is formed in the dust-proof cavity (82), so that the dust-proof cavity (82) is communicated with the sealing groove (9) and is used for replacing the dust-proof pad (83); a strip-shaped reinforcing rib (7) is further arranged in the heat dissipation cavity (10), and the dustproof heat dissipation layer (8) is connected with the front end cover body (1) through the reinforcing rib (7) and used for supporting the dustproof heat dissipation layer (8).

2. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the number of the heat dissipation windows (6) is 4, the heat dissipation windows are centered on the rotating shaft hole (5), and the heat dissipation windows are circumferentially and uniformly distributed on the end face of the front end cover body (1).

3. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the first heat dissipation channel (41) and the heat dissipation window (6) are arranged in pair.

4. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the right side of the heat dissipation cavity (10) is communicated with the interior of the motor through a heat dissipation window (6).

5. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the heat dissipation cavity (10) is also communicated with the first heat dissipation channel (41) through a heat dissipation window (6).

6. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the left side of the heat dissipation cavity (10) is communicated with the outside through a second heat dissipation channel (81) formed in the dustproof heat dissipation layer (8).

7. The heat dissipation motor end cover for the new energy electric automobile of claim 1, characterized in that: the reinforcing ribs (7) are circumferentially and uniformly distributed on the periphery of the rotating shaft hole (5) and are alternately arranged with the heat dissipation window (6).