CN212343523U

CN212343523U - Heat dissipation type DC brushless motor

Info

Publication number: CN212343523U
Application number: CN202021175829.2U
Authority: CN
Inventors: 温玉峰; 温涛; 任冬冬
Original assignee: Changzhou Maite Motion Co ltd
Current assignee: Changzhou Maite Motion Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-12
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a heat dissipation type DC brushless motor, including the DC brushless motor body, the right side fixedly connected with back lid shell of DC brushless motor body, the inner chamber of DC brushless motor body is provided with the rotor subassembly, the right side fixedly connected with flabellum of rotor subassembly, the left side of back lid shell is provided with the through-hole, the back of back lid shell is provided with water conservancy diversion mechanism. The utility model discloses a flabellum, through-hole, water conservancy diversion mechanism, louvre, the cooperation of canceling release mechanical system and filter screen, the rotor subassembly drives the flabellum rotatory, be convenient for discharge the heat of DC brushless motor body inner chamber, improve the radiating efficiency, water conservancy diversion mechanism can carry out the water conservancy diversion to the air current, the impeller can drive the filter screen at rotatory in-process simultaneously and rock, avoid making dust and debris block up the filter screen and lead to the radiating efficiency to reduce to improve the radiating effect, solved the poor problem of current motor radiating effect.

Description

Heat dissipation type DC brushless motor

Technical Field

The utility model relates to a DC brushless motor technical field specifically is a heat dissipation type DC brushless motor.

Background

The direct current brushless motor is a mechatronic product, the motor and a matched controller are an organic whole, the existing direct current brushless motor usually installs the motor and the matched controller separately, the reliability of the whole system is reduced due to more connecting links and more connecting wires, the high-power module in the motor and the controller can not be heated in the operation process, the heat dissipation is sufficient, and the method is a necessary way for improving the performance of the motor and the controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation type DC brushless motor possesses the good advantage of radiating effect, has solved the poor problem of current motor radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat dissipation type DC brushless motor, includes the DC brushless motor body, the right side fixedly connected with back cover shell of DC brushless motor body, the inner chamber of DC brushless motor body is provided with the rotor subassembly, the right side fixedly connected with flabellum of rotor subassembly, the left side of back cover shell is provided with the through-hole, the back of back cover shell is provided with water conservancy diversion mechanism, the right side of back cover shell is provided with the louvre, the top and the bottom of louvre all are provided with canceling release mechanical system, one side fixedly connected with filter screen of canceling release mechanical system, the right side of back cover shell inner chamber is provided with heat dissipation mechanism.

Preferably, the diversion mechanism comprises a fixing rod, a sleeve and an impeller, the fixing rod is fixedly connected to the back face of the rear cover shell, the sleeve is movably connected to the surface of the fixing rod, and the impeller is fixedly connected to the surface of the sleeve.

Preferably, the end, far away from the sleeve, of each impeller is provided with a chamfer, and the number of the impellers is four.

Preferably, the reset mechanism comprises a groove, a spring and a connecting block, the top and the bottom of each heat dissipation hole are provided with the groove, the springs are fixedly connected to the left side and the right side of the inner cavity of the groove, and the connecting block is fixedly connected to the other ends of the springs.

Preferably, the heat dissipation mechanism includes conducting strip and heat dissipation strip, the right side of back lid shell inner chamber is provided with the conducting strip, the right side of conducting strip runs through the back lid shell and extends to the outside of back lid shell, the right side of back lid shell is provided with the heat dissipation strip.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a flabellum, through-hole, water conservancy diversion mechanism, louvre, the cooperation of canceling release mechanical system and filter screen, the rotor subassembly drives the flabellum rotatory, be convenient for discharge the heat of DC brushless motor body inner chamber, improve the radiating efficiency, water conservancy diversion mechanism can carry out the water conservancy diversion to the air current, the impeller can drive the filter screen at rotatory in-process simultaneously and rock, avoid making dust and debris block up the filter screen and lead to the radiating efficiency to reduce to improve the radiating effect, solved the poor problem of current motor radiating effect.

2. The utility model discloses a design chamfer avoids the impeller to cause the damage to the filter screen, through the cooperation of recess, spring and connecting block, through the effect of spring and connecting block, makes things convenient for the filter screen to rock, through the cooperation of conducting strip and heat dissipation strip, makes things convenient for the heat to shift to the external world.

Drawings

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a right side view of the structure of the present invention.

In the figure: 1. a DC brushless motor body; 2. a rear cover shell; 3. a rotor assembly; 4. a fan blade; 5. a through hole; 6. a flow guide mechanism; 61. fixing the rod; 62. a sleeve; 63. an impeller; 7. heat dissipation holes; 8. a reset mechanism; 81. a groove; 82. a spring; 83. connecting blocks; 9. a filter screen; 10. a heat dissipation mechanism; 101. a heat conductive sheet; 102. a heat dissipating strip; 11. and (6) chamfering.

Detailed Description

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, a heat dissipation type dc brushless motor includes a dc brushless motor body 1, a rear cover housing 2 is fixedly connected to a right side of the dc brushless motor body 1, a rotor assembly 3 is disposed in an inner cavity of the dc brushless motor body 1, fan blades 4 are fixedly connected to a right side of the rotor assembly 3, a through hole 5 is disposed on a left side of the rear cover housing 2, a flow guiding mechanism 6 is disposed on a back side of the rear cover housing 2, the flow guiding mechanism 6 includes a fixing rod 61, a sleeve 62 and four impellers 63, the fixing rod 61 is fixedly connected to a back side of the rear cover housing 2, the sleeve 62 is movably connected to a surface of the fixing rod 61, the impellers 63 are fixedly connected to a surface of the sleeve 62, chamfers 11 are disposed at an end of the impellers 63 far away from the sleeve 62, the four impellers 63 are provided, and by designing the chamfers 11, damage of, through the action of the spring 82 and the connecting block 83, the filter screen 9 is convenient to rock, heat is convenient to transfer to the outside through the matching of the heat conducting sheet 101 and the heat radiating strips 102, the right side of the rear cover shell 2 is provided with the heat radiating hole 7, the top and the bottom of the heat radiating hole 7 are both provided with the reset mechanism 8, the reset mechanism 8 comprises a groove 81, a spring 82 and a connecting block 83, the top and the bottom of the heat radiating hole 7 are both provided with the groove 81, the left side and the right side of the inner cavity of the groove 81 are both fixedly connected with the spring 82, the other end of the spring 82 is fixedly connected with the connecting block 83, one side of the reset mechanism 8 is fixedly connected with the filter screen 9, the right side of the inner cavity of the rear cover shell 2 is provided with the heat radiating mechanism 10, the heat radiating mechanism 10 comprises the heat conducting sheet 101 and the heat radiating strips 102, the right side of the inner cavity of the, through flabellum 4, through-hole 5, water conservancy diversion mechanism 6, louvre 7, the cooperation of canceling release mechanical system 8 and filter screen 9, rotor subassembly 3 drives flabellum 4 rotatory, be convenient for discharge the heat of 1 inner chamber of direct current brushless motor body, improve the radiating efficiency, water conservancy diversion mechanism 6 can carry out the water conservancy diversion to the air current, impeller 63 can drive filter screen 9 at rotatory in-process simultaneously and rock, avoid making dust and debris to block up filter screen 9 and lead to the radiating efficiency to reduce, thereby improve the radiating effect, the problem that current motor radiating effect is poor has been solved.

During the use, rotor subassembly 3 drives flabellum 4 rotatory, be convenient for discharge the heat of 1 inner chamber of DC brushless motor body, the efficiency of heat dissipation is improved, water conservancy diversion mechanism 6 can carry out the water conservancy diversion to the air current, impeller 63 can drive filter screen 9 and rock at rotatory in-process simultaneously, avoid making dust and debris block up filter screen 9 and lead to the radiating efficiency to reduce, through design chamfer 11, avoid impeller 63 to cause the damage to filter screen 9, cooperation through conducting strip 101 and radiating strip 102, make things convenient for the heat to shift to the external world, further improve the radiating efficiency, thereby improve the radiating effect.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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 a heat dissipation type DC brushless motor, includes DC brushless motor body (1), its characterized in that: the rear cover shell is characterized in that a rear cover shell (2) is fixedly connected to the right side of the direct current brushless motor body (1), a rotor assembly (3) is arranged in an inner cavity of the direct current brushless motor body (1), fan blades (4) are fixedly connected to the right side of the rotor assembly (3), through holes (5) are formed in the left side of the rear cover shell (2), a flow guide mechanism (6) is arranged on the back side of the rear cover shell (2), heat dissipation holes (7) are formed in the right side of the rear cover shell (2), reset mechanisms (8) are arranged at the tops and the bottoms of the heat dissipation holes (7), a filter screen (9) is fixedly connected to one side of each reset mechanism (8), and a heat dissipation mechanism (10) is arranged on the right side.

2. The heat dissipation type dc brushless motor according to claim 1, wherein: the water conservancy diversion mechanism (6) comprises a fixing rod (61), a sleeve (62) and an impeller (63), the back face of the rear cover shell (2) is fixedly connected with the fixing rod (61), the surface of the fixing rod (61) is movably connected with the sleeve (62), and the surface of the sleeve (62) is fixedly connected with the impeller (63).

3. The heat dissipation type dc brushless motor according to claim 2, wherein: one end, far away from the sleeve (62), of the impeller (63) is provided with a chamfer (11), and the number of the impellers (63) is four.

4. The heat dissipation type dc brushless motor according to claim 1, wherein: the reset mechanism (8) comprises a groove (81), springs (82) and a connecting block (83), the top and the bottom of the heat dissipation hole (7) are provided with the groove (81), the springs (82) are fixedly connected to the left side and the right side of the inner cavity of the groove (81), and the connecting block (83) is fixedly connected to the other end of each spring (82).

5. The heat dissipation type dc brushless motor according to claim 1, wherein: the heat dissipation mechanism (10) comprises a heat conducting sheet (101) and a heat dissipation strip (102), the right side of the inner cavity of the rear cover shell (2) is provided with the heat conducting sheet (101), the right side of the heat conducting sheet (101) penetrates through the rear cover shell (2) and extends to the outer side of the rear cover shell (2), and the right side of the rear cover shell (2) is provided with the heat dissipation strip (102).