CN214479903U

CN214479903U - Convenient radiating electric motor rotor assembly

Info

Publication number: CN214479903U
Application number: CN202120464484.0U
Authority: CN
Inventors: 韩新选
Original assignee: XIANYANG XINBAO MAGNETIC MATERIALS CO Ltd
Current assignee: XIANYANG XINBAO MAGNETIC MATERIALS CO Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-10-22
Anticipated expiration: 2031-03-04

Abstract

The utility model discloses a convenient radiating electric motor rotor assembly relates to the electric motor rotor field, including rotor, heat dissipation mechanism, the inside of rotor is provided with the heat dissipation hole groove, and the heat dissipation hole inslot wall that looses is provided with the arc fin, the one end that the heat dissipation hole inslot wall was kept away from to the arc fin is connected with the go-between. The utility model discloses a set up the rotor, the radiating hole groove, the arc fin, the go-between, the apparatus further comprises a rotating shaft, the radiating efficiency of rotor can effectively be improved to retaining ring piece and flabellum, can drive the arc fin through the rotor, the pivot is rotated, the pivot can drive the flabellum rotation through the retaining ring width, the flabellum can drive the air and flow to rotor surface and radiating hole inslot portion, the air current that gets into the radiating hole groove can carry out high-speed rotation under pivoted arc fin drives, can be fast to the arc fin, the rotor inner wall dispels the heat, the quick heat dissipation of rotor can be realized to the air current of cooperation rotor outer wall surface.

Description

Convenient radiating electric motor rotor assembly

Technical Field

The utility model relates to an electric motor rotor field specifically is a convenient radiating electric motor rotor assembly.

Background

The rotor is a scientific term, and in popular terms, a rotating body supported by a bearing is called as a rotor, such as an optical disk and other objects without a rotating shaft, the rotor and a matched shaft are a rotor assembly, and the rotating part of the rotor assembly motor consists of a rotating shaft, a rotor iron core and a rotor winding.

The motor can generate a large amount of heat during operation, particularly at the position of the rotor assembly, the overheating can affect the working efficiency of the motor and damage the internal structure of the motor, and the existing rotor assembly mostly dissipates heat on the surface, so that the heat dissipation effect is poor and the operation effect of the motor is affected.

Therefore, the motor rotor assembly convenient for heat dissipation is invented.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem of poor heat dissipation effect of the rotor assembly, the motor rotor assembly convenient to dissipate heat is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient radiating electric motor rotor assembly, includes rotor, heat dissipation mechanism, the inside of rotor is provided with the heat dissipation hole groove, and the heat dissipation hole inslot wall that looses is provided with the arc fin, the one end that the heat dissipation hole inslot wall was kept away from to the arc fin is connected with the go-between, the pivot has been cup jointed to the inner wall of go-between, the one end outer wall both sides of pivot are provided with spacing spout, the inner wall one end of spacing spout is provided with the draw-in groove, heat dissipation mechanism cup joints each other with the outer wall of pivot and is located the one end of rotor.

Preferably, heat dissipation mechanism includes fixed ring piece, flabellum, spacing slider, flexible fixture block, compression piece, expanding spring, the inner wall of fixed ring piece cup joints each other with the outer wall of pivot, the flabellum is located the outer wall side of fixed ring piece, spacing slider is located the inner wall both sides of fixed ring piece, the inside both sides of fixed ring piece are provided with the flexible groove that runs through the flabellum, flexible fixture block, compression piece, expanding spring are located flexible inslot portion, the compression piece is located flexible fixture block one side, expanding spring is located one side that flexible fixture block was kept away from to the compression piece, flexible fixture block is kept away from one side of compression piece and is run through flexible groove to spacing slider outside.

Preferably, the number of the arc-shaped radiating fins is multiple, and the arc-shaped radiating fins and the rotor are uniformly distributed on the inner wall of the radiating hole groove as the center.

Preferably, the number of flabellum is provided with a plurality ofly, and is a plurality of the flabellum uses the fixed ring piece as center evenly distributed on the outer wall side of fixed ring piece, the outer wall terminal surface that the flabellum kept away from the fixed ring piece is located the coplanar with the outer wall of rotor.

Preferably, the limiting slide block is sleeved with the inner wall of the limiting sliding groove, and the diameter of the outer wall of the telescopic clamping block is matched with that of the inner wall of the clamping groove.

Preferably, the air flow generated by the rotation of the fan blades is the same as the air flow flowing direction of the arc-shaped radiating fins when the arc-shaped radiating fins rotate.

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

1. the utility model discloses a set up the rotor, the radiating hole groove, the arc fin, the go-between, the pivot, fixed ring piece and flabellum can effectively improve the radiating efficiency of rotor, can drive the arc fin through the rotor, the pivot rotates, the pivot can drive the flabellum through the fixed ring width and rotate, the flabellum can drive the air and flow to rotor surface and radiating hole inslot, the air current that gets into the radiating hole groove can carry out high-speed rotation under the drive of pivoted arc fin, can dispel the heat to arc fin, rotor inner wall fast, the air current of cooperation rotor outer wall surface can realize the fast heat dissipation of rotor;

2. the utility model discloses a set up the pivot, spacing spout, the draw-in groove, heat dissipation mechanism, the fixed ring piece, flexible groove, the flabellum, limit slide, flexible fixture block, compression piece and expanding spring can realize the quick dismantlement installation of heat dissipation mechanism, when heat dissipation mechanism dismantles, with the fixed ring piece through limit slide along spacing spout to the direction removal of keeping away from the rotor can, flexible fixture block can receive the extrusion shrink to flexible inslot portion and separate with the draw-in groove, limit slide can easily shift out along spacing spout inner wall, accomplish heat dissipation mechanism's dismantlement promptly, when carrying out new heat dissipation mechanism installation, aim at spacing spout with limit slide and insert, flexible fixture block can pop out at expanding spring's effect under the effect when flexible fixture block contacts with the draw-in groove automatic re-setting, flexible fixture block forms with the draw-in groove and is connected, accomplish heat dissipation mechanism's installation promptly.

Drawings

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

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic structural view of the heat dissipation mechanism of the present invention;

fig. 4 is a cross-sectional exploded view of the retaining ring block of the present invention;

fig. 5 is a side sectional view of the rotating shaft of the present invention.

In the figure: 1. a rotor; 101. a heat dissipation hole slot; 2. an arc-shaped heat radiating fin; 3. a connecting ring; 4. a rotating shaft; 401. a limiting chute; 402. a card slot; 5. a heat dissipation mechanism; 501. a fixed ring block; 5011. a telescopic groove; 502. a fan blade; 503. a limiting slide block; 504. a telescopic clamping block; 505. compressing the block; 506. a telescoping spring.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-5, a motor rotor assembly convenient for heat dissipation includes a rotor 1 and a heat dissipation mechanism 5, a heat dissipation hole slot 101 is formed inside the rotor 1, an arc-shaped heat dissipation fin 2 is arranged on an inner wall of the heat dissipation hole slot 101, a connection ring 3 is connected to one end of the arc-shaped heat dissipation fin 2 away from the inner wall of the heat dissipation hole slot 101, a rotation shaft 4 is sleeved on an inner wall of the connection ring 3, limit sliding grooves 401 are formed in two sides of an outer wall of one end of the rotation shaft 4, a clamping groove 402 is formed in one end of an inner wall of each limit sliding groove 401, and the heat dissipation mechanism 5 and the outer wall of the rotation shaft 4 are sleeved with each other and located at one end of the rotor 1.

Referring to fig. 3-4 again, the heat dissipation mechanism 5 includes a fixed ring 501, blades 502, a limiting slider 503, a retractable latch 504, a compression block 505, and a retractable spring 506, the inner wall of the fixed ring 501 is sleeved with the outer wall of the rotating shaft 4, the blades 502 are located on the side of the outer wall of the fixed ring 501, the limiting slider 503 is located on both sides of the inner wall of the fixed ring 501, retractable slots 5011 penetrating through the blades 502 are formed on both sides of the inner portion of the fixed ring 501, the retractable latch 504, the compression block 505, and the retractable spring 506 are located inside the retractable slots 5011, the compression block 505 is located on one side of the retractable latch 504, the retractable spring 506 is located on one side of the compression block 505 away from the retractable latch 504, one side of the retractable latch 504 away from the compression block 505 penetrates through the retractable slots 5011 to the outside of the limiting slider 503, and the heat dissipation mechanism 5 can perform blowing heat dissipation on the rotor 1.

Please refer to fig. 2, the number of the arc-shaped heat dissipation fins 2 is plural, the plurality of arc-shaped heat dissipation fins 2 and the rotor 1 are uniformly distributed on the inner wall of the heat dissipation hole slot 101 as the center, the air flow speed is accelerated by the rotation of the arc-shaped heat dissipation fins 2, and the heat dissipation speed of the rotor can be effectively improved by the plurality of arc-shaped heat dissipation fins 2.

Please refer to fig. 3, the number of the fan blades 502 is plural, the plural fan blades 502 are uniformly distributed on the side surface of the outer wall of the fixed ring block 501 with the fixed ring block 501 as the center, the end surface of the outer wall of the fan blade 502 far away from the fixed ring block 501 and the outer wall of the rotor 1 are located on the same plane, the structure makes the diameter of the whole heat dissipation mechanism 5 the same as the diameter of the rotor 1, that is, the rotation of the heat dissipation mechanism 5 does not affect the operation of the motor, and in addition, the rotation of the plural fan blades 502 can form air flow to accelerate the heat dissipation.

Referring to fig. 4-5, the limiting sliding block 503 is sleeved with the inner wall of the limiting sliding groove 401, and the diameter of the outer wall of the telescopic clamping block 504 is matched with the inner wall of the clamping groove 402, so that the heat dissipation mechanism 5 can be mounted and dismounted quickly, and the heat dissipation mechanism 5 can be maintained and replaced conveniently.

Please refer to the above, the airflow generated by the rotation of the fan blade 502 has the same direction as the airflow generated by the rotation of the arc-shaped heat sink 2, so that the heat dissipation efficiency of the rotor assembly can be improved.

The working principle is as follows: when the motor rotor assembly convenient for heat dissipation is used, the rotor 1 rotates under the action of a rotating magnetic field, the arc-shaped heat dissipation fins 2, the connecting ring 3 and the rotating shaft 4 can be driven to rotate at the same time, the rotating shaft 4 can drive the fan blades 502 to rotate through the fixed ring block 501, the fan blades 502 can drive air to flow towards the rotor 1 when rotating, the flowing air can flow out from the outer wall of the rotor 1 and the heat dissipation hole grooves 101 inside the rotor 1, the air flow outside the rotor 1 can dissipate heat of the outer wall of the rotor, meanwhile, the rotor 1 can also transfer heat to the arc-shaped heat dissipation fins 2 to dissipate heat, the air flow entering the heat dissipation hole grooves 101 can dissipate heat of the arc-shaped heat dissipation fins 2, in addition, the arc-shaped structure of the arc-shaped heat dissipation fins 2 can drive the air inside the heat dissipation hole grooves 101 to rotate and flow when rotating at high speed, the heat dissipation speed of the arc-shaped heat dissipation fins 2 and the inner wall of the rotor 1 can be accelerated, the heat dissipation efficiency of the rotor 1 can be effectively improved, the heat dissipation effect of the rotor assembly can be effectively improved through the mutual matching of the fan blades 502 and the arc-shaped heat dissipation fins 2, the connection between the heat dissipation mechanism 5 and the rotating shaft 4 is completed through the mutual sleeving of the limiting sliding blocks 503 and the limiting sliding grooves 401 as well as the telescopic clamping blocks 504 and the clamping grooves 402, if the heat dissipation mechanism 5 needs to be disassembled and replaced in the maintenance process of the motor, only the fixing ring block 501 needs to move along the limiting sliding grooves 401 through the limiting sliding blocks 503 towards the direction away from the rotor 1, at the moment, the telescopic clamping blocks 504 are extruded and contracted into the telescopic grooves 5011, namely, the telescopic clamping blocks 504 are separated from the clamping grooves 402, the limiting sliding blocks 503 can be easily moved out along the inner walls of the limiting sliding grooves 401, namely, the disassembly of the heat dissipation mechanism 5 is completed, when a new heat dissipation mechanism 5 is installed, the limiting sliding blocks 503 are inserted into the limiting sliding grooves 401 and pushed towards the rotor 1, when the retractable latch 504 contacts with the slot 402, the retractable latch 504 automatically returns to eject under the action of the retractable spring 506, and the retractable latch 504 is connected with the slot 402, thereby completing the installation of the heat dissipation mechanism 5.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a convenient radiating electric motor rotor assembly, includes rotor (1), heat dissipation mechanism (5), its characterized in that: the inside of rotor (1) is provided with radiating hole groove (101), and radiating hole groove (101) inner wall is provided with arc fin (2), the one end that radiating hole groove (101) inner wall was kept away from in arc fin (2) is connected with go-between (3), pivot (4) have been cup jointed to the inner wall of go-between (3), the one end outer wall both sides of pivot (4) are provided with spacing spout (401), the inner wall one end of spacing spout (401) is provided with draw-in groove (402), heat dissipation mechanism (5) cup joint each other with the outer wall of pivot (4) and are located the one end of rotor (1).

2. The electric motor rotor assembly convenient for heat dissipation according to claim 1, wherein: the heat dissipation mechanism (5) comprises a fixed ring block (501), fan blades (502), a limiting slide block (503), a telescopic fixture block (504), a compression block (505) and a telescopic spring (506), the inner wall of the fixed ring block (501) is sleeved with the outer wall of the rotating shaft (4), the fan blades (502) are positioned on the side surface of the outer wall of the fixed ring block (501), the limiting sliding blocks (503) are positioned at two sides of the inner wall of the fixed ring block (501), telescopic grooves (5011) penetrating through the fan blades (502) are arranged at two sides of the inner part of the fixed ring block (501), the telescopic fixture block (504), the compression block (505) and the telescopic spring (506) are positioned in the telescopic groove (5011), the compression block (505) is positioned at one side of the telescopic fixture block (504), the telescopic spring (506) is positioned at one side of the compression block (505) far away from the telescopic fixture block (504), one side of the telescopic clamping block (504) far away from the compression block (505) penetrates through the telescopic groove (5011) to the outside of the limiting sliding block (503).

3. The electric motor rotor assembly convenient for heat dissipation according to claim 1, wherein: the number of the arc-shaped radiating fins (2) is provided with a plurality of arc-shaped radiating fins (2) and the rotor (1) are uniformly distributed on the inner wall of the radiating hole groove (101) as centers.

4. The electric motor rotor assembly convenient for heat dissipation according to claim 2, wherein: the quantity of flabellum (502) is provided with a plurality ofly, and is a plurality of flabellum (502) use fixed ring piece (501) as center evenly distributed on the outer wall side of fixed ring piece (501), the outer wall terminal surface that fixed ring piece (501) was kept away from in flabellum (502) is located the coplanar with the outer wall of rotor (1).

5. The electric motor rotor assembly convenient for heat dissipation according to claim 2, wherein: the limiting sliding block (503) is sleeved with the inner wall of the limiting sliding groove (401), and the diameter of the outer wall of the telescopic clamping block (504) is matched with the inner wall of the clamping groove (402).

6. The electric motor rotor assembly convenient for heat dissipation according to claim 2, wherein: the airflow generated when the fan blades (502) rotate has the same flowing direction as the airflow generated when the arc-shaped radiating fins (2) rotate.