CN210517955U

CN210517955U - Heat radiation structure of motor for fan

Info

Publication number: CN210517955U
Application number: CN201922011420.0U
Authority: CN
Inventors: 林德标; 华亮; 曹广涛
Original assignee: Taizhou Jingyang Electromechanical Technology Co Ltd
Current assignee: Zhejiang Dayang fan Co.,Ltd.
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-05-12
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a heat radiation structure of motor for fan belongs to the fan and makes technical field. It has solved the current not good scheduling problem of motor heat dissipation for the fan. This heat radiation structure of motor for fan includes casing, end cover, pivot and control box, and the casing links firmly mutually with the end cover, and the pivot axial is worn to locate in the end cover, and the end cover is with the shutoff of housing end portion, and the control box sets up with the end cover is coaxial and links firmly mutually, and the inner of pivot is worn out the end cover and is set up and this end of pivot links firmly fan one, links firmly in the end cover and covers a fan and establish and have the protection screen panel of mesh. The utility model has the advantages of structural design is reasonable, the radiating effect is good.

Description

Heat radiation structure of motor for fan

Technical Field

The utility model belongs to the technical field of the fan is made, a motor for the fan is related to, in particular to heat radiation structure of motor for the fan.

Background

The fan is a mechanical device which utilizes mechanical energy generated by rotation of an impeller to improve gas pressure and discharge gas, and is widely applied to the fields of families, petrochemical industry, metallurgy, mines, aerospace, energy sources and the like.

The existing fan generally comprises an outer shell and a motor arranged in the outer shell, the heat productivity of the motor is large, and how to radiate the motor is a factor for improving the product quality and prolonging the service life. For example, chinese patent literature discloses a fan motor radiator [ application number: 201320648502.6, respectively; authorization notice number: CN203674887U ], which comprises a body, the body is closely attached to the end face of the motor through screws, the body is provided with cooling fins along the circumferential direction, and a space through which cold air passes is arranged between the cooling fins.

The heat dissipation area of the motor is increased by the fan motor radiator, the heat dissipation blades are located in the air channel of the fan, the heat dissipation blades are cooled by air flow conveyed by the fan, the heat dissipation effect of the motor can be improved, but the body and the heat dissipation blades can play a role in blocking, wind noise is improved, heat dissipation is mainly achieved by a circuit board and electronic elements in the control box in the motor, the existing control box is integrated on the outer wall of the motor shell, and the heat dissipation effect is not ideal enough.

Disclosure of Invention

The utility model aims at providing a heat radiation structure of motor for fan that structural design is reasonable, the radiating effect is good to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a heat radiation structure of motor for fan, includes casing, end cover, pivot and control box, casing and end cover link firmly mutually, the pivot axial wear to locate in the end cover, its characterized in that, the end cover with the shutoff of housing end portion, the control box with the coaxial setting of end cover and link firmly mutually, the inner of pivot wear out the end cover setting and this end of pivot link firmly has fan one, the end cover in link firmly and cover a fan and establish and have the protection screen panel of mesh.

In the heat dissipation structure of the motor for the fan, the control box body is a closed box body, and the outer surface of the control box body is provided with a plurality of cooling fins. The closed control box line body can be dustproof, waterproof like this for this fan motor function is applicable to harsh operational environment, and the fin has increased heat radiating area, has improved the radiating effect.

In the heat dissipation structure of the motor for the fan, the heat dissipation fins comprise a plurality of heat dissipation main bodies which axially extend and are distributed on the outer wall of the control box body at intervals, the top of the control box body is provided with heat dissipation split bodies which are connected with the heat dissipation main bodies into a whole, and the top of the control box body is also provided with the heat dissipation fins positioned between the adjacent heat dissipation split bodies. Therefore, the space is fully utilized, the heat dissipation area is large, and an ideal heat dissipation effect is ensured.

In the heat dissipation structure of the motor for the fan, the first fan comprises a connecting seat which is sleeved at the end part of the rotating shaft in an interference fit manner, the outer wall of the connecting seat is provided with the first blades which are uniformly distributed in the circumferential direction, and the connecting seat is provided with a circle of radial bulges which connect the bottoms of the first blades into a whole. Therefore, the first fan is conveniently connected with the rotating shaft, and the first blades are high in structural strength and long in service life.

In the heat dissipation structure of the motor for the fan, the rotating shaft is fixedly connected with a second fan positioned at the bottom of the shell.

In the heat radiation structure of the motor for the fan, the rotating shaft is sleeved with the insert in an interference fit manner, the bottom of the shell is provided with a flanging which is turned inwards and is abutted to the outer wall of the insert, the outer wall of the insert is also provided with a plurality of circumferential uniform distributions and convex embedded blocks, the second fan is provided with an inner ring which is in a ring shape and sleeved on the insert, the embedded blocks are embedded into the inner ring and are arranged, the second fan is also provided with a plurality of circumferential uniform distributions and is positioned on the second blade in an area surrounded by the flanging, the second blade is fixedly connected with the inner ring, and the second fan is also provided with an outer ring which is connected with the outer ends of the two blades into a whole.

Compared with the prior art, the heat radiation structure of the motor for the fan has the advantages of reasonable design, small occupied space, direct heat radiation, good heat radiation effect and long service life.

Drawings

Fig. 1 is a structural sectional view of a heat dissipation structure of a motor for a blower.

In the figure, 1, a housing; 11. flanging; 2. an end cap; 3. a rotating shaft; 4. a control box body; 5. a first fan; 51. a connecting seat; 52. a first blade; 53. a convex edge; 6. a protective mesh enclosure; 7. a heat sink; 71. a heat dissipating body; 72. heat dissipation split bodies; 8. heat dissipation fins; 9. a second fan; 91. an inner ring; 92. a second blade; 93. an outer ring; 10. an insert; 101. and (5) an embedded block.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, this heat radiation structure of motor for fan includes casing 1, end cover 2, pivot 3 and control box 4, casing 1 links firmly with end cover 2 mutually, 3 axial of pivot are worn to locate in end cover 2, end cover 2 is with the shutoff of 1 tip of casing, control box 4 links firmly with end cover 2 coaxial arrangement and through the screw mutually, the inner of pivot 3 is worn out the end cover 2 and is set up and this end of pivot 3 links firmly fan one 5, it establishes 5 covers the protection screen panel 6 that have the mesh with fan one 5 to link firmly in end cover 2, fan one 5 includes the connecting seat 51 of the tip of shrink fit ground cover in the pivot, the connecting seat 51 outer wall has blade one 52 of circumference equipartition, connecting seat 51 has the radial bulge of round and links into an organic whole the bottom of each blade one 52.

This heat radiation structure of motor for fan is with control box 4 and the coaxial setting of end cover 2, has saved and has arranged the space, is equipped with control panel, wire in the control box 4, and protective mesh enclosure 6 plays and stops the effect, avoids the wire to drop to fan 5 on, and pivot 3 drives fan 5 rotatory, and fan 5 stirs the air in the control box 4, directly dispels the heat to the control panel, and it is direct to dispel the heat, and the radiating effect is good.

In order to improve the application range and the heat dissipation effect, the control box body 4 is a closed box body, the outer surface of the control box body 4 is provided with a plurality of heat dissipation fins 7, each heat dissipation fin 7 comprises a plurality of heat dissipation main bodies 71 which axially extend and are distributed on the outer wall of the control box body 4 at intervals, the top of the control box body 4 is provided with heat dissipation split bodies 72 which are connected with the heat dissipation main bodies 71 into a whole, and the top of the control box body 4 is also provided with heat dissipation fins 8 which are positioned between the adjacent heat dissipation split bodies 72.

In order to dissipate heat inside the motor, the rotating shaft 3 is fixedly connected with a second fan 9 positioned at the bottom of the shell 1, the second fan 9 is driven by the rotating shaft 3 to rotate, and the second fan 9 stirs air inside the shell 1, so that air can be blown to dissipate heat inside the motor; in this embodiment, the insert 10 is sleeved on the rotating shaft 3 in an interference fit manner, the bottom of the housing 1 is provided with a flange 11 which is turned inwards and abutted to the outer wall of the insert 10, the outer wall of the insert 10 is further provided with a plurality of insert blocks 101 which are circumferentially uniformly distributed and convex, the second fan 9 is provided with an inner ring 91 which is in a ring shape and sleeved on the insert 10, the insert blocks 101 are embedded in the inner ring 91 for setting, the second fan 9 is further provided with a plurality of blades 92 which are circumferentially uniformly distributed and located in an area surrounded by the flange 11, the blades 92 are fixedly connected with the inner ring 91, the second fan 9 is further provided with an outer ring 93 which integrally connects the outer ends of the blades 92, so that the second fan 9 is fixedly connected with the rotating shaft 3 through the insert 10, and the inner ring 91 and the outer ring 93.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a heat radiation structure of motor for fan, includes casing (1), end cover (2), pivot (3) and control box (4), casing (1) link firmly with end cover (2) mutually, pivot (3) axial wear to locate in end cover (2), its characterized in that, end cover (2) with casing (1) tip shutoff, control box (4) and end cover (2) coaxial setting and link firmly mutually, the inner of pivot (3) wear out end cover (2) and set up and pivot (3) this end link firmly fan (5), end cover (2) in link firmly protective screen (6) that establish fan (5) cover and have the mesh.

2. The heat dissipation structure of the motor for the blower as claimed in claim 1, wherein the control box body (4) is a closed box body, and the outer surface of the control box body (4) has a plurality of fins (7).

3. The heat dissipation structure of the motor for the fan as claimed in claim 2, wherein the heat dissipation fins (7) comprise a plurality of heat dissipation main bodies (71) extending axially and distributed at intervals on the outer wall of the control box body (4), the top of the control box body (4) is provided with heat dissipation sub-bodies (72) connected with the heat dissipation main bodies (71) into a whole, and the top of the control box body (4) is further provided with heat dissipation fins (8) located between adjacent heat dissipation sub-bodies (72).

4. The heat dissipation structure of the motor for the blower as claimed in claim 1, wherein the first fan (5) includes a connection seat (51) that is fitted over the end of the rotating shaft (3) in an interference fit manner, the outer wall of the connection seat (51) has first blades (52) uniformly distributed in the circumferential direction, and the connection seat (51) has a ring of convex edges (53) that protrude radially and connect the bottoms of the first blades (52) into a whole.

5. The heat dissipation structure of the motor for the blower as claimed in claim 1, 2, 3 or 4, wherein the second fan (9) is fixedly connected to the rotating shaft (3) and located at the bottom of the casing (1).

6. The heat dissipation structure of the motor for the fan as recited in claim 5, wherein the insert (10) is sleeved on the rotating shaft (3) in an interference fit manner, a flange (11) which is turned inwards and abutted to the outer wall of the insert (10) is arranged at the bottom of the housing (1), a plurality of insert blocks (101) which are circumferentially uniformly distributed and protrude are further arranged on the outer wall of the insert (10), the second fan (9) is provided with an inner ring (91) which is in a ring shape and is sleeved on the insert (10), the insert blocks (101) are embedded into the inner ring (91) for arrangement, the second fan (9) is further provided with a plurality of second blades (92) which are circumferentially uniformly distributed and are located in an area surrounded by the flange (11), the second blades (92) are fixedly connected with the outer end (91) of the inner ring, and the second fan (9) is further provided with an outer ring (93) which integrally connects the second blades (92).