CN218276367U

CN218276367U - Improved generation direct current permanent-magnet machine

Info

Publication number: CN218276367U
Application number: CN202222291261.6U
Authority: CN
Inventors: 戴祥志
Original assignee: Ruian Lifeng Auto Parts Co ltd
Current assignee: Ruian Lifeng Auto Parts Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-10
Anticipated expiration: 2032-08-29

Abstract

The utility model belongs to the technical field of the direct current permanent-magnet machine technique and specifically relates to an improved generation direct current permanent-magnet machine, including motor casing and cover, motor casing's inside left side rigid coupling has first support, heat abstractor is installed to the outer wall of first support, connecting device is installed to motor casing's outer wall. Can install first radiator fan and second radiator fan respectively at the both ends of motor shaft, and the motor casing has the radiating part with the position processing that two radiator fans correspond, when the motor shaft rotates, the motor shaft alright rotate with driving first radiator fan and second radiator fan, deuterogamy radiating part alright in order to reach the initiative and carry out radiating purpose to the inside of motor casing to alright reach the purpose of protection direct current permanent-magnet machine.

Description

Improved generation direct current permanent-magnet machine

Technical Field

The utility model relates to a direct current permanent magnet motor technical field specifically is an improved generation direct current permanent magnet motor.

Background

The direct current permanent magnet motor is a direct current motor which utilizes a permanent magnet to establish an excitation magnetic field, the motor has small volume, light weight, simple structure and high efficiency because no additional excitation system is arranged, most of miniature direct current motors are permanent magnets, and the starting and running characteristics of the permanent magnet direct current motor are basically the same as those of a separately excited and shunt excited direct current motor.

For example, the authorization publication No. CN 214045241U is a structure of a dc permanent magnet motor, which includes a motor housing and a motor cover. The direct current permanent magnet motor structure has good heat dissipation performance, the working temperature of the motor is prevented from being too high, the motor efficiency is improved, the running noise of the motor is reduced, the installation position of the motor cover is more accurate, the motor cover is effectively prevented from deviating from a central shaft to influence the running of the motor, the direct current permanent magnet motor is further provided with the motor cover which is integrally formed by aluminum metal when in use, so that the motor structure has good heat dissipation performance, however, the conduction type heat dissipation is carried out only by the motor cover made of the aluminum metal, the direct current permanent magnet motor belongs to passive heat dissipation and is only suitable for short-time working of the motor, if the direct current permanent magnet motor works for a long time, the motor cover made of the aluminum metal can only guide out a part of heat in the motor shell, and the rest of heat can be stored in the motor shell, so that the motor is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the direct current permanent magnet motor can only passively dissipate heat inside, and the heat dissipation effect is not good, so that the improved direct current permanent magnet motor is provided.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the design is an improved direct-current permanent magnet motor, which comprises a motor shell and a cover, wherein the left side of the motor shell is connected with the cover through a plurality of bolt threads, a first support is fixedly connected to the left side of the inside of the motor shell, a second support is arranged on the right side of the first support, the outer wall of the second support is fixedly connected with the inside of the motor shell, a heat dissipation device is installed on the outer wall of the first support, and a connecting device is installed on the outer wall of the motor shell.

Preferably, heat abstractor includes the motor shaft, the left side outer wall of motor shaft and the through-hole department inner wall clearance fit of cover, the left end outer wall of motor shaft rotates with first support through first connection bearing and links to each other, the right-hand member outer wall of motor shaft rotates with the second support through the second connection bearing and links to each other, the left and right sides of first connection bearing is equipped with first radiator fan and second radiator fan respectively, and the inside of first radiator fan and second radiator fan all with motor shaft rigid coupling, the outer wall of first radiator fan and second radiator fan and motor casing's inner wall clearance fit.

Preferably, the rotor is fixedly connected to the direct outer wall of the motor shaft.

Preferably, the outer wall of the rotor is provided with a stator, and the outer wall of the stator is connected with the inner wall of the motor shell.

Preferably, the connecting device comprises a plurality of discs, the insides of the left and right discs are fixedly connected with the motor and the outer wall of the shell, a first connecting layer is bonded on the inner side of each adjacent disc, a second connecting layer is bonded on the inner wall of each first connecting layer, and two ends of each second connecting layer are bonded with the discs.

Preferably, a plurality of heat dissipation portions are provided inside the second connection layer, and the heat dissipation portions are opened on an outer wall of the motor housing.

The utility model provides an improved generation direct current permanent-magnet machine, beneficial effect lies in: can be at the first connection bearing of both ends outer wall installation of motor shaft and second connection bearing, so the motor shaft can be in first support and the stable rotation of second support department through first connection bearing and second connection bearing, later at the middle outer wall installation rotor of motor shaft, at the outer wall installation stator of rotor, like this through the stator, rotor and motor shaft etc. alright form one set of direct current permanent magnet machine, later install first radiator fan and second radiator fan respectively at the both ends of motor shaft, and motor casing has the radiating part with the position processing that two radiator fans correspond, when the motor shaft rotates, the motor shaft alright rotate with driving first radiator fan and second radiator fan, the radiating part alright carry out radiating purpose in order to reach the inside of initiative to motor casing again, derive the inside heat of a large amount of motor casings, alright prevent the motor damage in order to reach the purpose of protection direct current permanent magnet machine.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural view of the first heat dissipation fan, the first connection bearing and the cover in fig. 2;

fig. 4 is a schematic structural view of the second heat dissipation fan, the second coupling bearing and the rotor of fig. 2;

fig. 5 is a schematic view of the structure of the heat sink member, the first connection layer, and the second connection layer of fig. 2.

In the figure: 1. motor casing, 2, cover, 3, heat abstractor, 301, motor shaft, 302, first coupling bearing, 303, second coupling bearing, 304, first radiator fan, 305, second radiator fan, 3A1, terminal box, 3A2, connecting wire, 3A3, connect, 4, connecting device, 401, disc, 402, first connection layer, 403, second connection layer, 5, first support, 6, second support, 7, rotor, 8, stator, 9, heat dissipation part.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an improved generation direct current permanent-magnet machine, including motor casing 1 and cover 2, there is cover 2 in the left side of motor casing 1 through 4 bolt threaded connection, the middle processing of cover 2 has the through-hole, the inside left side rigid coupling of motor casing 1 has first support 5, the right side of first support 5 is equipped with second support 6, and the outer wall of second support 6 and the inside looks rigid coupling of motor casing 1, can support motor shaft 301 through first support 5 and second support 6 etc., heat abstractor 3 is installed to the outer wall of first support 5, can initiatively dispel the heat to the inside of motor casing 1 through heat abstractor 3, thereby the radiating effect has been improved, connecting device 4 is installed to the outer wall of motor casing 1, can prevent through connecting device 4 that external dust from getting into in the motor casing 1.

Referring to fig. 1-4, the heat dissipation apparatus 3 includes a motor shaft 301, a first connecting bearing 302, a second connecting bearing 303, a first heat dissipation fan 304 and a second heat dissipation fan 305, a left outer wall of the motor shaft 301 is in clearance fit with an inner wall of a through hole of the cover 2, a left outer wall of the motor shaft 301 is rotatably connected to the first support 5 through the first connecting bearing 302, a right outer wall of the motor shaft 301 is rotatably connected to the second support 6 through the second connecting bearing 302, such that the motor shaft 301 can stably rotate through the first connecting bearing 302 and the second connecting bearing 303, the left and right sides of the first connecting bearing 302 are respectively provided with the first heat dissipation fan 304 and the second heat dissipation fan 305, the interiors of the first heat dissipation fan 304 and the second heat dissipation fan 305 are fixedly connected to the motor shaft 301, the first heat dissipation fan 304 and the second heat dissipation fan 305 can be driven to rotate through the motor shaft 301, the outer walls of the first heat dissipation fan 304 and the second heat dissipation fan 305 are in clearance fit with the inner wall of the motor housing 1, a rotor 7 is directly fixedly connected to the outer wall of the rotor 7, and an outer wall of the stator 8 of the motor housing 1 is connected to the stator 1;

can be at the both ends outer wall installation first connecting bearing 302 and the second connecting bearing 303 of motor shaft 301, like this motor shaft 301 can be in first support 5 and the stable rotation of second support 6 department through first connecting bearing 302 and second connecting bearing 303, later at the middle outer wall installation rotor 7 of motor shaft 301, at the outer wall installation stator 8 of rotor 7, like this through stator 8, rotor 7 and motor shaft 301 etc. alright constitute one set of direct current permanent magnet machine, later install first radiator fan 304 and second radiator fan 305 respectively at the both ends of motor shaft 301, and motor casing 1 has heat dissipation portion 9 with the position processing that two radiator fans correspond, when motor shaft 301 rotates, motor shaft 301 alright drive first radiator fan 304 and second radiator fan 305 and rotate, cooperate heat dissipation portion 9 alright reach initiative and carry out radiating purpose in the inside of motor casing 1 again, thereby alright reach the purpose of protection direct current permanent magnet machine.

Referring to fig. 1, 2 and 5, the connecting device 4 includes a disc 401, a first connecting layer 402 and a second connecting layer 403, the insides of the left and right 2 discs 401 are fixedly connected to the motor and the outer wall of the housing 1, the inside of the adjacent disc 401 is bonded with the first connecting layer 402, the inner wall of the first connecting layer 402 is bonded with the second connecting layer 403, the first connecting layer 402 adopts a primary filter screen, the second connecting layer 403 adopts a HEAP filter screen, which can filter air, and the two ends of the second connecting layer 403 are bonded with the discs 401, the inside of the second connecting layer 43 is provided with 4 heat dissipation parts 9, and the heat dissipation parts 9 are arranged on the outer wall of the motor housing 1;

two sets of discs 401 of outer wall connection at motor casing 1, there are first articulamentum 402 and second articulamentum 403 in the inboard bonding of adjacent disc 401, can wrap up heat dissipation portion 9 through first articulamentum 402 and second articulamentum 403 like this, first articulamentum 402 adopts the primary filter screen simultaneously, second articulamentum 403 adopts the HEAP filter screen, thereby alright in entering into motor casing 1 with external dust etc. to and then protect the device in the motor casing 1.

In this embodiment, when an operator needs to use the improved dc permanent magnet motor, firstly, the operator may install the first connecting bearing 302 and the second connecting bearing 303 on the outer walls of the two ends of the motor shaft 301, so that the motor shaft 301 may stably rotate on the first support 5 and the second support 6 through the first connecting bearing 302 and the second connecting bearing 303, then install the rotor 7 on the outer wall of the middle of the motor shaft 301, install the stator 8 on the outer wall of the rotor 7, so that a set of dc permanent magnet motor may be formed by the stator 8, the rotor 7, the motor shaft 301, and the like, then install the first cooling fan 304 and the second cooling fan 305 on the two ends of the motor shaft 301, and the heat dissipation part 9 is processed at the positions of the motor housing 1 corresponding to the two cooling fans, when the motor shaft 301 rotates, the motor shaft 301 may drive the first cooling fan 304 and the second cooling fan 305 to rotate, and then cooperate with the heat dissipation part 9 to achieve the purpose of actively cooling the inside of the motor housing 1, thereby achieving the purpose of protecting the permanent magnet dc motor;

two sets of discs 401 are connected to the outer wall of the motor housing 1, a first connecting layer 402 and a second connecting layer 403 are bonded to the inner sides of the adjacent discs 401, so that the heat radiating part 9 can be wrapped by the first connecting layer 402 and the second connecting layer 403, the first connecting layer 402 adopts an initial effect filter screen, and the second connecting layer 403 adopts a HEAP filter screen, so that external dust and the like can be prevented from entering the motor housing 1, and further devices in the motor housing 1 are protected.

Example 2:

referring to fig. 1 and 2, the present invention provides a technical solution: a kind of improved direct current permanent magnet machine, the connecting device 4 can also include terminal box 3A1, connecting wire 3A2 and piecing 3A3, the left side of the terminal box 3A1 is connected with motor casing 1 fixedly, connect with the connecting wire 3A2 above the rear end of the terminal box 3A1, and another end of the connecting wire 3A2 connects with piecing 3A3;

can be connected with the junction box 3A1 through the connecting wire 3A2 and the joint 3A3, and can be connected with external equipment through the joint 3A3, thereby being capable of using the device.

In this embodiment, when the operator needs to use the improved dc permanent magnet motor, the improved dc permanent magnet motor is connected to the junction box 3A1 through the connecting wire 3A2 and the connector 3A3, and can be connected to the external device through the connector 3A3, so that the improved dc permanent magnet motor can be used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an improved generation direct current permanent-magnet machine, includes motor casing (1) and cover (2), there is cover (2), its characterized in that on the left side of motor casing (1) through a plurality of bolt threaded connection: the inside left side rigid coupling of motor casing (1) has first support (5), the right side of first support (5) is equipped with second support (6), and the outer wall of second support (6) and the inside looks rigid coupling of motor casing (1), heat abstractor (3) are installed to the outer wall of first support (5), connecting device (4) are installed to the outer wall of motor casing (1).

2. An improved dc permanent magnet machine according to claim 1, wherein: heat abstractor (3) include motor shaft (301), the left side outer wall of motor shaft (301) and the through-hole department inner wall clearance fit of cover (2), the left end outer wall of motor shaft (301) rotates with first support (5) through first connecting bearing (302) and links to each other, the right-hand member outer wall of motor shaft (301) rotates with second support (6) through second connecting bearing (303) and links to each other, the left and right sides of first connecting bearing (302) is equipped with first radiator fan (304) and second radiator fan (305) respectively, and the inside of first radiator fan (304) and second radiator fan (305) all with motor shaft (301) looks rigid coupling, the outer wall of first radiator fan (304) and second radiator fan (305) and the inner wall clearance fit of motor casing (1).

3. An improved dc permanent magnet machine according to claim 2, wherein: and a rotor (7) is fixedly connected to the direct outer wall of the motor shaft (301).

4. An improved dc permanent magnet machine according to claim 3, wherein: and a stator (8) is installed on the outer wall of the rotor (7), and the outer wall of the stator (8) is connected with the inner wall of the motor shell (1).

5. An improved dc permanent magnet machine according to claim 1, wherein: the connecting device (4) comprises a plurality of discs (401), the insides of the discs (401) are fixedly connected with the outer wall of the motor shell (1), a first connecting layer (402) is bonded on the inner side of each adjacent disc (401), a second connecting layer (403) is bonded on the inner wall of each first connecting layer (402), and the two ends of each second connecting layer (403) are bonded with the discs (401).

6. An improved dc permanent magnet machine according to claim 5, wherein: a plurality of radiating parts (9) are arranged inside the second connecting layer (403), and the radiating parts (9) are arranged on the outer wall of the motor shell (1).