CN218335484U - Brushless motor rotor core of washing machine - Google Patents
Brushless motor rotor core of washing machine Download PDFInfo
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- CN218335484U CN218335484U CN202222429744.8U CN202222429744U CN218335484U CN 218335484 U CN218335484 U CN 218335484U CN 202222429744 U CN202222429744 U CN 202222429744U CN 218335484 U CN218335484 U CN 218335484U
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- rotor core
- fixedly connected
- groove
- installation sleeve
- washing machine
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Abstract
The utility model provides a brushless motor rotor core of a washing machine, which comprises a rotor core; a fixing component is arranged in the middle of the inner cavity of the rotor core, and a rotating shaft is fixedly connected in the middle of the inner cavity of the fixing component; the rotor core comprises an inner ring, an octagonal groove is formed in the middle of an inner cavity of the inner ring, connecting rods are fixedly connected to the outer surface of the inner ring at equal intervals, a placing groove is formed in the upper end face of each connecting rod and close to one end of the outer ring, and permanent magnets are fixedly connected to the inner cavity of the placing groove. The utility model discloses rotor core inside is provided with first radiating groove and second radiating groove and has accelerated rotor core's heat dissipation, has increaseed the area of contact of rotor core with the air through radiating fin, has also accelerateed the heat dissipation simultaneously.
Description
Technical Field
The utility model relates to a washing machine brushless motor rotor core technical field, concretely relates to washing machine brushless motor rotor core.
Background
A brushless motor for a washing machine is also called a brushless dc motor, and the brushless dc motor is composed of a permanent magnet rotor, a multi-pole winding stator, a position sensor, and the like. The position sensor commutates the current of the stator winding along a certain sequence according to the change of the rotor position (namely, the position of the rotor magnetic pole relative to the stator winding is detected, a position sensing signal is generated at the determined position, the position sensing signal is processed by the signal conversion circuit to control the power switch circuit, and the winding current is switched according to a certain logic relation).
At present, the permanent magnet rotor passes through glue with the permanent magnet and installs it inside rotor core, but because rotor core adopts the wholeization structure, when high-speed rotation along with the permanent magnet rotor, lead to its inside thermal diffusivity relatively poor, when the motor used rapid heating up, the heat all concentrated in the inside outside row of being difficult for of rotor core and dispersed to will influence the magnetism of permanent magnet, and then be unfavorable for its rotation and use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a washing machine brushless motor rotor core has solved the problem of mentioning in the background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the brushless motor rotor core of the washing machine comprises a rotor core; the middle part of the inner cavity of the rotor core is provided with a fixing component, and the middle part of the inner cavity of the fixing component is fixedly connected with a rotating shaft; the rotor core comprises an inner ring, an octagonal groove is formed in the middle of an inner cavity of the inner ring, connecting rods are fixedly connected to the outer surface of the inner ring at equal intervals, a placing groove is formed in the upper end face of each connecting rod and close to one end of the outer ring, and permanent magnets are fixedly connected to the inner cavity of the placing groove.
Further, two fixedly connected with arc stiffener between the connecting rod, equidistant fixedly connected with radiating fin in arc stiffener one side, two just be located the arc stiffener both sides between the connecting rod and be provided with first radiating groove and second radiating groove respectively.
Further, fixed subassembly includes the installation sleeve, the installation sleeve surface sets to the octagon, installation sleeve inner chamber middle part fixedly connected with pivot, the first radiator fan of installation sleeve one end fixedly connected with, the installation sleeve just keeps away from first radiator fan one end and installs spacing subassembly, the installation sleeve surface is sliding connection respectively has inner ring and second radiator fan.
Further, spacing subassembly includes the sliding tray, the equidistant sliding tray that is provided with in installation sleeve one side, the installation sleeve just is located sliding tray inner chamber both sides and is provided with the spacing groove respectively, the installation sleeve just is located sliding tray inner chamber bottom and is provided with the rebound groove, rebound groove inner chamber one side fixedly connected with damping rod, damping rod one end fixedly connected with movable plate, movable plate up end fixedly connected with fixture block, sliding tray and spacing inslot chamber sliding connection have the fixture block.
Furthermore, the upper end face of the second cooling fan is provided with clamping grooves at equal intervals, and the inner cavity of each clamping groove is connected with one end of each clamping block in a sliding mode.
The utility model provides a washing machine brushless motor rotor core. Compared with the prior art, the method has the following beneficial effects:
rotor core is its inside design through radiating fin and first radiating groove and second radiating groove, can realize quick cooling, then realize carrying out the coincide to a plurality of rotor cores through the installation sleeve in the fixed subassembly and spacing subassembly fixed, the welding of comparing current adoption, the installation rate is faster, at last through mutually supporting of first heat dissipation fan and second heat dissipation fan, realized taking out the heat in first radiating groove and the second radiating groove, accelerated the heat dissipation to rotor core.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows the overall structure of the present invention;
fig. 2 shows a schematic view of the split overall structure of the present invention;
fig. 3 shows a schematic view of the structure of the rotor core of the present invention;
fig. 4 shows a schematic structural view of the fixing assembly of the present invention;
FIG. 5 is a schematic view of the fixing assembly of the present invention;
fig. 6 is an enlarged schematic view of the area a in fig. 5 according to the present invention;
shown in the figure: 1. a rotor core; 11. an inner ring; 12. an octagonal groove; 13. a connecting rod; 14. an outer ring; 15. a placement groove; 16. a permanent magnet; 17. an arc-shaped reinforcing rod; 18. a heat dissipating fin; 19. a first heat sink; 110. a second heat sink; 2. a fixing component; 21. installing a sleeve; 22. a first heat dissipation fan; 23. a limiting component; 231. a sliding groove; 232. a limiting groove; 233. a rebound groove; 234. a damping rod; 235. moving the plate; 236. a clamping block; 24. a second heat dissipation fan; 25. a card slot; 3. a rotating shaft.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example one
In order to solve the technical problems in the background art, the following rotor core of the brushless motor of the washing machine is provided:
referring to fig. 1-6, the present invention provides a rotor core of a brushless motor for a washing machine, which includes a rotor core 1; a fixing component 2 is arranged in the middle of an inner cavity of the rotor core 1, and a rotating shaft 3 is fixedly connected in the middle of the inner cavity of the fixing component 2; rotor core 1 includes inner ring 11, and 11 inner chambers of inner ring middle parts are provided with octagonal groove 12, 11 equidistant fixedly connected with connecting rods 13 of inner ring outer surface, and connecting rod 13 one end fixedly connected with outer loop 14, connecting rod 13 up end and be close to 14 one ends of outer loop and be provided with standing groove 15, 15 inner chambers fixedly connected with permanent magnet 16 of standing groove. Fixedly connected with arc stiffener 17 between two connecting rods 13, arc stiffener 17 one side equidistant fixedly connected with radiating fin 18, be provided with first radiating groove 19 and second radiating groove 110 respectively between two connecting rods 13 and be located arc stiffener 17 both sides.
Example two
As shown in fig. 1 to fig. 6, on the basis of the above embodiments, the present embodiment further provides the following:
By moving the fixture block 236 to one side, so that the fixture block 236 slides in the sliding groove 231, and at the same time, the fixture block 236 presses the damping rod 234 through the moving plate 235, since the surface of the damping rod 234 is sleeved with a spring, so that the spring is pressed, at this time, the plurality of rotor cores 1 are placed on the outer surface of the mounting sleeve 21, at this time, by the cooperation of the octagon of the outer surface of the mounting sleeve 21 and the octagon groove 12 on the inner ring 11, the rotor cores 1 are limited, after limiting, the rotor cores 1 are prevented from rotating, at this time, glue is added between the rotor cores 1 two by two, so that the plurality of rotor cores 1 are fixed together, so that the rotor cores 1 are mounted and fixed, after limiting, at this time, the other side of the rotor core 1 is mounted with the second heat dissipation fan 24, at this time, the fixture block 236 is loosened, the fixture block 236 is reset under the action of the damping rod 234, so that the second heat dissipation fan 24 is fixed, after fixing, the rotor cores 21 are mounted in the second heat dissipation fan 24, and when the rotor cores 22 are matched, and the second heat dissipation fan 22 is mounted, at this time, when the rotor cores 22 are matched, the rotor is mounted in the second heat dissipation sleeve 21, and the second heat dissipation fan, and the rotor core 22, the rotor is matched, and the second heat dissipation fan is completed.
The utility model discloses a theory of operation and use flow:
in the use state:
during installation, the fixture block 236 is moved on one side, so that the fixture block 236 slides in the sliding groove 231, and the fixture block 236 extrudes the damping rod 234 through the moving plate 235, because the surface of the damping rod 234 is sleeved with a spring, so that the spring is extruded, at this time, a plurality of rotor cores 1 are placed on the outer surface of the installation sleeve 21, at this time, through the mutual matching of the octagon on the outer surface of the installation sleeve 21 and the octagon groove 12 on the inner ring 11, the rotor cores 1 are limited, after limitation, the rotor cores 1 are prevented from rotating, at this time, glue is added between every two rotor cores 1, so that the plurality of rotor cores 1 are fixed together, so that the installation and fixation of the rotor cores are completed, because one end of the installation sleeve 21 is fixedly connected with the first heat dissipation fan 22, so that the whole rotor core 1 is limited by the first heat dissipation fan 22, after limitation, at this time, the other side of the rotor core 1 is installed with the second heat dissipation fan 24, after installation, the fixture block 236 is loosened, the fixture block 236 is reset under the effect of the damping rod 234, so that the second heat dissipation fan 24 is fixed, and then the rotor core 21 is installed, and the whole rotor 21 is installed. And holistic mounting means, the mode that adopts the welding of comparison tradition, the installation rate is faster.
During heat dissipation, the arc-shaped reinforcing rod 17 is arranged in the middle of the rotor core 1, and the heat dissipation fins 18 are arranged on one side of the arc-shaped reinforcing rod 17, so that heat dissipation of the rotor core 1 during working can be accelerated, and then heat dissipation of the rotor core 1 and the speed of heat dissipation are accelerated through matching of the first heat dissipation groove 19, the second heat dissipation groove 110, the first heat dissipation groove 19 and the second heat dissipation groove 110.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. Washing machine brushless motor rotor core, its characterized in that: comprising a rotor core (1); a fixing component (2) is arranged in the middle of the inner cavity of the rotor core (1), and a rotating shaft (3) is fixedly connected in the middle of the inner cavity of the fixing component (2);
rotor core (1) includes inner ring (11), inner ring (11) inner chamber middle part is provided with octagonal groove (12), equidistant fixedly connected with connecting rod (13) of inner ring (11) surface, connecting rod (13) one end fixedly connected with outer loop (14), connecting rod (13) up end just is close to outer loop (14) one end and is provided with standing groove (15), standing groove (15) inner chamber fixedly connected with permanent magnet (16).
2. A washing machine brushless motor rotor core according to claim 1, characterized in that: two fixedly connected with arc stiffener (17) between connecting rod (13), equidistant fixedly connected with radiating fin (18) in arc stiffener (17) one side, two just be located arc stiffener (17) both sides between connecting rod (13) and be provided with first radiating groove (19) and second radiating groove (110) respectively.
3. A brushless motor rotor core for a washing machine according to claim 2, wherein: fixed subassembly (2) are including installation sleeve (21), installation sleeve (21) surface sets to the octagon, installation sleeve (21) inner chamber middle part fixedly connected with pivot (3), the first radiator fan (22) of installation sleeve (21) one end fixedly connected with, installation sleeve (21) and keep away from first radiator fan (22) one end and install spacing subassembly (23), installation sleeve (21) surface sliding connection has inner ring (11) and second radiator fan (24) respectively.
4. A washing machine brushless motor rotor core according to claim 3, characterized in that: spacing subassembly (23) include sliding tray (231), equidistant sliding tray (231) that is provided with in installation sleeve (21) one side, installation sleeve (21) just are located sliding tray (231) inner chamber both sides and are provided with spacing groove (232) respectively, installation sleeve (21) just are located sliding tray (231) inner chamber bottom and are provided with bounce groove (233), bounce groove (233) inner chamber one side fixedly connected with damping rod (234), damping rod (234) one end fixedly connected with movable plate (235), movable plate (235) up end fixedly connected with fixture block (236), sliding tray (231) and spacing groove (232) inner chamber sliding connection have fixture block (236).
5. A washing machine brushless motor rotor core according to claim 4, characterized in that: clamping grooves (25) are formed in the upper end face of the second heat dissipation fan (24) at equal intervals, and an inner cavity of each clamping groove (25) is connected with one end of each clamping block (236) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429744.8U CN218335484U (en) | 2022-09-14 | 2022-09-14 | Brushless motor rotor core of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222429744.8U CN218335484U (en) | 2022-09-14 | 2022-09-14 | Brushless motor rotor core of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335484U true CN218335484U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222429744.8U Active CN218335484U (en) | 2022-09-14 | 2022-09-14 | Brushless motor rotor core of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335484U (en) |
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2022
- 2022-09-14 CN CN202222429744.8U patent/CN218335484U/en active Active
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