CN215300362U - Direct current brushless motor - Google Patents
Direct current brushless motor Download PDFInfo
- Publication number
- CN215300362U CN215300362U CN202122837398.2U CN202122837398U CN215300362U CN 215300362 U CN215300362 U CN 215300362U CN 202122837398 U CN202122837398 U CN 202122837398U CN 215300362 U CN215300362 U CN 215300362U
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- shell
- brushless motor
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- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a DC brushless motor, which comprises a motor shell and a motor body, wherein the motor body is arranged in the motor shell, the left side of the motor shell is provided with an air inlet, the right side of the motor shell is provided with a rear end cover, the rear end cover is arranged in a hollow way, a cooling fan is arranged in the rear end cover, the left side of the cooling fan is provided with an air outlet on the motor shell, the upper side and the lower side of the cooling fan are respectively provided with a wire outlet on the rear end cover, a wire fixing component is arranged in the wire outlet, the wire outlet is communicated with the inner cavity of the motor shell, the motor shell consists of a left shell and a right shell, the DC brushless motor drives the air in the motor shell to flow by the cooling fan, the heat generated in the working process of the motor body can be taken away more quickly, and the auxiliary cooling is carried out by the arranged cooling fins, and the connected wires are conveniently fixed through the wire fixing assembly.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a brushless DC motor.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, mainly has the function of generating driving torque, is used as a power source of electrical appliances or various machines, can be divided into a direct current motor and an alternating current motor according to the types of working power supplies, and is also divided into a direct current brushless motor and a direct current brush motor in a direct current motor;
in-process that uses at DC brushless motor, brushless motor's pivot and stator module and rotor subassembly are all installed in the motor casing, receive the restriction in space, make the heat that electronic components gived off in the course of the work can not be timely effluvium, can produce certain influence to brushless motor then, can influence brushless motor's normal work when serious, and in-process using, need connect through the wire rod, but the wire rod atress receives the pulling back, just the condition that wire rod and brushless motor are connected badly appears very easily, need consume the time and maintain, consequently the utility model provides a DC brushless motor is with the problem of solving existence among the prior art.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a brushless direct current motor, this kind of brushless direct current motor is through adding the rear end cap on motor casing, and be equipped with the air intake on motor casing, utilize the air flow in the radiator fan drives the motor casing, the heat that produces in the motor body working process of taking away that can be faster, heat dissipation is assisted through the heat radiation fins who sets up simultaneously, the solidus subassembly that the rethread set up, the wire rod of connection is conveniently fixed, thereby when the condition that the wire rod was dragged appears, can not directly influence being connected of wire rod and motor body, promote stability.
For realizing the purpose of the utility model, the utility model discloses a following technical scheme realizes: the utility model provides a brushless DC motor, includes motor casing and motor body, install motor body in the motor casing, motor casing's left side is equipped with the air intake, and motor casing's right side is equipped with the rear end cap, the rear end cap is hollow setting, and installs radiator fan in the rear end cap, radiator fan's left side is equipped with the air outlet on motor casing, and radiator fan's upper and lower both sides all are equipped with the wire hole on the rear end cap, install the solidus subassembly in the wire hole, and the inner chamber intercommunication of wire hole and motor casing, motor casing comprises left casing and right casing.
The further improvement lies in that: the motor body comprises a stator assembly, a rotor assembly and a rotating shaft, the rotor assembly is arranged on the inner side of the stator assembly, a rotating shaft is arranged on the inner side of the rotor assembly, the left end of the rotating shaft penetrates through the motor shell and is connected with the motor shell in a rotating mode through a bearing, the right end of the rotating shaft extends into the air outlet, and a signal magnetic ring is installed in the rotating shaft.
The further improvement lies in that: the solid fixed ring of two sets of relative settings is installed in the outside of left side casing, and is two sets of be equipped with heat radiation fin between the solid fixed ring, and heat radiation fin evenly is equipped with the multiunit, heat radiation fin and solid fixed ring and left shell body coupling, the go-between is installed on right casing on the right side of left side casing, pass through screwed connection between go-between and a set of solid fixed ring.
The further improvement lies in that: the wire fixing assembly comprises an arc wire fixing block and a threaded column, one side, far away from the cooling fan, of the arc wire fixing block is rotatably connected with the threaded column, and one end, far away from the arc wire fixing block, of the threaded column penetrates through the rear end cover and is provided with a knob.
The further improvement lies in that: the left end of left side casing is equipped with protruding structure, and the left end of protruding structure installs the protective cover through the screw rotation, be equipped with the through-hole on the protective cover, and the diameter of through-hole is greater than the diameter of pivot.
The further improvement lies in that: the outer side of the signal magnetic ring is provided with an annular mounting seat, the annular mounting seat is connected with the right shell, the left end of the annular mounting seat is provided with a Hall element, and the position of the Hall element corresponds to the position of the signal magnetic ring.
The further improvement lies in that: the ventilation hole is installed on right casing in the outside of cyclic annular mount pad, the ventilation hole evenly is equipped with the multiunit, and the ventilation hole all communicates with the inner chamber of rear end cap.
The further improvement lies in that: the left and right sides of the stator component are provided with annular limiting seats in the left shell and the right shell, the annular limiting seats are provided with limiting grooves, annular limiting frames are arranged in the limiting grooves, and the annular limiting frames are rotatably connected with the rotating shaft through bearings.
The utility model has the advantages that: this kind of brushless DC motor is through adding the rear end cap on motor casing, and be equipped with the air intake on motor casing, utilize radiator fan to drive the air flow in the motor casing, can be faster take away the heat that produces in the motor body working process, simultaneously, heat dissipation is assisted through the heat radiation fins who sets up, the solidus subassembly that the rethread set up, the wire rod of conveniently connecting is fixed, thereby when the condition that the wire rod was dragged appears, can directly not influence being connected of wire rod and motor body, promote stability, furthermore, motor casing adopts split type design, more convenient dismantlement and the installation to motor body, make things convenient for periodic maintenance.
Drawings
Fig. 1 is a schematic front view of a first embodiment of the present invention.
Fig. 2 is an enlarged schematic view of a part a of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of a part B of fig. 2 according to the present invention.
Fig. 4 is a schematic side view of the annular limiting frame according to the second embodiment of the present invention.
Wherein: 1. a motor housing; 2. an air inlet; 3. a rear end cap; 4. a heat radiation fan; 5. an air outlet; 6. a wire outlet hole; 7. a stator assembly; 8. a rotor assembly; 9. a rotating shaft; 10. a signal magnetic ring; 11. a fixing ring; 12. heat dissipation fins; 13. a connecting ring; 14. an arc-shaped wire fixing block; 15. a threaded post; 16. a knob; 17. a raised structure; 18. a protective cover; 19. an annular mounting seat; 20. a Hall element; 21. a vent hole; 22. an annular limiting seat; 23. a limiting groove; 24. annular spacing.
Detailed Description
In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.
Example one
According to the drawings of fig. 1-3, the present embodiment provides a dc brushless motor, which includes a motor housing 1 and a motor body, the motor housing 1 is internally installed with the motor body, the left side of the motor housing 1 is provided with an air inlet 2, the right side of the motor housing 1 is provided with a rear end cover 3, the rear end cover 3 is hollow, the rear end cover 3 is internally installed with a heat dissipation fan 4, the left side of the heat dissipation fan 4 is provided with an air outlet 5 on the motor housing 1, the air outlet 5 is communicated with the heat dissipation fan 4, the upper and lower sides of the heat dissipation fan 4 are both provided with wire outlets 6 on the rear end cover 3, the wire outlets 6 are internally installed with wire fixing assemblies, the wire outlets 6 are communicated with an inner cavity of the motor housing 1, the motor housing 1 is composed of a left housing and a right housing, when in operation, because the motor housing 1 adopts a split design, the disassembly and installation of the motor body are more convenient, and the regular maintenance is convenient, meanwhile, the rear end cover 3 is connected with the motor shell 1 through bolts, so that the rear end cover is convenient to detach and install, the cooling fan 4 is electrically connected with the motor body, and the cooling fan 4 is also in an electrified state after the motor body is electrified.
The motor body includes stator module 7, rotor module 8 and pivot 9, stator module 7's inboard is equipped with rotor module 8, and rotor module 8's inboard is equipped with pivot 9, the left end of pivot 9 runs through motor casing 1 and rotates with motor casing 1 through the bearing and be connected, the right-hand member of pivot 9 extends to in the air outlet 5, and install signal magnetic ring 10 in the pivot 9, be equipped with the magnet steel between rotor module 8 and the stator module 7, and simultaneously, stator module 7's the outside is with motor casing 1 contact, the heat of being convenient for can transmit to on the motor casing 1.
Two sets of fixed rings 11 that set up relatively are installed to the outside of left casing, are equipped with heat radiation fins 12 between two sets of fixed rings 11, and heat radiation fins 12 evenly is equipped with the multiunit, and heat radiation fins 12 is connected with fixed ring 11 and left casing, and go-between 13 is installed on right casing on the right side of left casing, passes through screwed connection between go-between 13 and a set of fixed ring 11, and heat radiation fins 12's position corresponds with stator module 7, makes things convenient for thermal transmission.
The solidus subassembly includes arc solidus piece 14 and screw thread post 15, one side rotation that radiator fan 4 was kept away from to arc solidus piece 14 is connected with screw thread post 15, screw thread post 15 is kept away from arc solidus piece 14 one end and is run through rear end housing 3 and install knob 16, rotate knob 16 through the manual work, come screw thread post 15 to rotate, and screw thread post 15 is connected through the screw thread rotation with rear end housing 3, under the 15 pivoted circumstances of screw thread post, can promote arc solidus piece 14 and remove promptly, then can press from both sides the wire rod tightly.
The left end of left side casing is equipped with protruding structure 17, and the left end of protruding structure 17 installs protective cover 18 through the screw rotation, is equipped with the through-hole on the protective cover 18, and the diameter of through-hole is greater than the diameter of pivot 9.
An annular mounting seat 19 is arranged on the outer side of the signal magnetic ring 10, the annular mounting seat 19 is connected with the right shell, a hall element 20 is mounted at the left end of the annular mounting seat 19, and the position of the hall element 20 corresponds to the position of the signal magnetic ring 10.
The outside of cyclic annular mount pad 19 is installed the ventilation hole 21 on right casing, and ventilation hole 21 evenly is equipped with the multiunit, and ventilation hole 21 all communicates with the inner chamber of rear end cap 3.
Example two
According to fig. 4, in this embodiment, be equipped with the round hole 25 on the spacing frame 24 of annular, and the round hole 25 evenly is equipped with the multiunit, through the round hole 25 that sets up, makes things convenient for the air of the spacing frame 24 both sides of annular to circulate, compares the setting that does not have round hole 25, more does benefit to the air in the motor casing 1 and flows, promotes radiating effect, simultaneously, also can play the effect of protection to the partial part of motor body.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a brushless DC motor, includes motor casing (1) and motor body, install motor body in motor casing (1), its characterized in that: the left side of motor casing (1) is equipped with air intake (2), and the right side of motor casing (1) is equipped with rear end cap (3), rear end cap (3) are hollow setting, and install radiator fan (4) in rear end cap (3), the left side of radiator fan (4) is equipped with air outlet (5) on motor casing (1), and the upper and lower both sides of radiator fan (4) all are equipped with wire hole (6) on rear end cap (3), install the solidus subassembly in wire hole (6), and the inner chamber intercommunication of wire hole (6) and motor casing (1), motor casing (1) comprises left casing and right casing.
2. A dc brushless motor according to claim 1, wherein: the motor body comprises a stator assembly (7), a rotor assembly (8) and a rotating shaft (9), wherein the rotor assembly (8) is arranged on the inner side of the stator assembly (7), the rotating shaft (9) is arranged on the inner side of the rotor assembly (8), the left end of the rotating shaft (9) penetrates through the motor shell (1) and is connected with the motor shell (1) in a rotating mode through a bearing, the right end of the rotating shaft (9) extends into the air outlet (5), and a signal magnetic ring (10) is installed on the rotating shaft (9).
3. A dc brushless motor according to claim 1, wherein: fixed ring (11) that two sets of relative settings are installed in the outside of left side casing, and are two sets of be equipped with heat radiation fin (12) between fixed ring (11), and heat radiation fin (12) evenly are equipped with the multiunit, heat radiation fin (12) and fixed ring (11) and left shell body coupling, go-between (13) are installed on right casing on the right side of left side casing, pass through screwed connection between go-between (13) and a set of fixed ring (11).
4. A dc brushless motor according to claim 1, wherein: the wire fixing assembly comprises an arc wire fixing block (14) and a threaded column (15), wherein the threaded column (15) is rotatably connected to one side, away from the cooling fan (4), of the arc wire fixing block (14), and one end, away from the arc wire fixing block (14), of the threaded column (15) penetrates through the rear end cover (3) and is provided with a knob (16).
5. A dc brushless motor according to claim 2, wherein: the left end of left side casing is equipped with protruding structure (17), and the left end of protruding structure (17) rotates through the screw thread and installs protective cover (18), be equipped with the through-hole on protective cover (18), and the diameter of through-hole is greater than the diameter of pivot (9).
6. A dc brushless motor according to claim 2, wherein: an annular mounting seat (19) is arranged on the outer side of the signal magnetic ring (10), the annular mounting seat (19) is connected with the right shell, a Hall element (20) is mounted at the left end of the annular mounting seat (19), and the position of the Hall element (20) corresponds to the position of the signal magnetic ring (10).
7. A dc brushless motor according to claim 6, wherein: the ventilation hole (21) is installed on the right casing in the outside of cyclic annular mount pad (19), ventilation hole (21) evenly is equipped with the multiunit, and ventilation hole (21) all communicate with the inner chamber of rear end cap (3).
8. A dc brushless motor according to claim 2, wherein: the left and right sides of stator module (7) installs annular spacing seat (22) in left casing and right casing, and is equipped with spacing groove (23) on annular spacing seat (22), install annular spacing (24) in spacing groove (23), and rotate through bearing and pivot (9) on annular spacing (24) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837398.2U CN215300362U (en) | 2021-11-25 | 2021-11-25 | Direct current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122837398.2U CN215300362U (en) | 2021-11-25 | 2021-11-25 | Direct current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215300362U true CN215300362U (en) | 2021-12-24 |
Family
ID=79527937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122837398.2U Active CN215300362U (en) | 2021-11-25 | 2021-11-25 | Direct current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215300362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120127887A (en) * | 2025-05-14 | 2025-06-10 | 宁波丰泰克电机有限公司 | Control feedback type DC brushless motor, control method and application thereof |
-
2021
- 2021-11-25 CN CN202122837398.2U patent/CN215300362U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120127887A (en) * | 2025-05-14 | 2025-06-10 | 宁波丰泰克电机有限公司 | Control feedback type DC brushless motor, control method and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231219 Address after: 221700 Jingyi Road East, Beiyuan Road South, Weiyi Road North, Feng County, Xuzhou City, Jiangsu Province Patentee after: XUZHOU NANPU ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: 221700 east of Huazhang road and north of Beiyuan Road, Feng County, Xuzhou City, Jiangsu Province Patentee before: Jiangsu Zhiyuan Intelligent Driving Technology Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right |