CN210484134U

CN210484134U - Vehicle fan with brushless motor

Info

Publication number: CN210484134U
Application number: CN201921315794.5U
Authority: CN
Inventors: 江佑平
Original assignee: Xiamen Taigu Yuandong Auto Parts Co ltd
Current assignee: Xiamen Taigu Yuandong Auto Parts Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-08
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a take brushless motor's automobile-used fan, include: the fan comprises a front mesh enclosure, a rear mesh enclosure, a base support frame, a brushless motor, a fan blade assembly and a motor shell assembly, wherein the rear mesh enclosure can selectively rotate relative to the base support frame; motor casing subassembly includes a protecgulum and a hou gai that is equipped with the flange face, the protecgulum holds the chamber with the fixed formation one of hou gai, brushless motor holds and locates and holds the intracavity, the flange face is fixed with the back screen panel, the utility model has the characteristics of simple structure, low interference and low noise.

Description

Vehicle fan with brushless motor

Technical Field

The utility model belongs to the technical field of the fan, especially, indicate a take brushless motor's automobile-used fan.

Background

At present, some vehicles can be additionally provided with an on-vehicle fan in order to increase the flowability of air in the vehicles, and the existing common on-vehicle fan adopts a brush motor, but the brush motor has the defects of high noise, high interference and larger structure.

In view of the above, the present invention has been made by the designers for solving the above problems, and the present invention is developed and designed by actively researching and improving the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, low interference and low noise take brushless motor's automobile-used fan.

To achieve the above object, the solution of the present invention is:

a fan with a brushless motor for a vehicle, comprising: the fan blade assembly is driven by a rotating shaft of the brushless motor to rotate, the rear mesh enclosure can selectively rotate relative to the base support frame, and the motor shell assembly is arranged between the base support frame and the rear mesh enclosure; the motor shell assembly comprises a front cover and a rear cover, the front cover and the rear cover are fixedly provided with flange faces, a containing cavity is formed by the front cover and the rear cover, the brushless motor is contained in the containing cavity, and the flange faces are fixed with a rear mesh cover.

The base support frame includes a plastic base and an iron base that have the spliced pole, the plastic base lock is in the top on iron base, the back interval of back screen panel is protruding to be equipped with two cooperation spliced poles, one of them cooperation spliced pole and the spliced pole that corresponds pass by a bolt and a nut is installed to the end of bolt, and another cooperation spliced pole passes by a mill flat screw with the spliced pole that corresponds and the end of milling flat screw passes a spring, a tooth pad and a long piece of turning round in proper order, and it screws or unscrews the realization to turn round the piece through the long and mill the cooperation of flat screw back screen panel selectivity rotates for the base support frame.

The utility model provides a take brushless motor's automobile-used fan still includes that two back screen panels strengthen the earflap, the back screen panel is strengthened the earflap and is passed through the screw lock solid on the back screen panel, the back screen panel is strengthened the earflap and is laminated adjacent cooperation spliced pole respectively.

The utility model provides a take brushless motor's automobile-used fan still includes an EMC reinforcing module, EMC reinforcing module holds and locates and holds the intracavity, EMC reinforcing module and brushless motor and interior power electric connection of car.

The EMC enhancement module is fixedly attached to the brushless motor.

The rear cover is sleeved on the front cover, and the rear cover is locked with the side wall of the front cover through a bolt matched with a gasket.

The front cover is locked with the brushless motor through a screw.

The novel screen window is characterized in that a supporting surface is convexly arranged on the inner side wall of the front screen cover, a plurality of lock columns arranged at intervals are convexly arranged on the inner side of the supporting surface, the edge of the rear screen cover is pressed and fixed on the supporting surface through a plurality of Z-shaped pieces arranged at intervals, and the Z-shaped pieces are fixedly locked on the corresponding lock columns through screws.

After the technical scheme is adopted, the utility model discloses a brushless motor's setting is because brushless motor has the no carbon brush, low interference, the noise is low, the operation is smooth and easy, longe-lived and low maintenance cost's advantage, thereby makes the utility model has the advantages of simple overall structure, low interference and low noise.

Furthermore, the utility model discloses can also pass through the structural design of EMC reinforcing module to utilize the electromagnetic wave that EMC reinforcing module prevented that the motor from producing and the electromagnetic wave of other electrical equipment in the car to influence each other, can play fine interference killing feature, consequently the utility model discloses not only can the heat dissipation cooling, can prevent moreover that the work of motor and other electrical equipment in the car from interfering with each other, just the utility model discloses utilize the structural design of motor casing subassembly, directly vacated installation space for EMC reinforcing module in holding the appearance intracavity that establishes brushless motor to only need slightly change original on-vehicle fan size, just can satisfy the demand of installing EMC reinforcing module, the structural change is little, and the work load of change is little.

Drawings

Fig. 1 is a three-dimensional exploded schematic view (1) of the present invention;

fig. 2 is a schematic perspective exploded view (2) of the present invention;

fig. 3 is a perspective view of the present invention;

fig. 4 is a cross-sectional view of the present invention;

fig. 5 is an assembly diagram of the motor housing assembly, the motor and the EMC enhancement module according to the present invention;

fig. 6 is a perspective view of the assembled motor housing assembly, motor, and EMC enhancement module of the present invention;

FIG. 7 is a cross-sectional view of FIG. 6;

fig. 8 is a circuit diagram of the EMC enhancement module of the present invention.

[ notation ] to show

Front net cover 1 and rear net cover 2

Support surface 11 lock cylinder 12

The mesh enclosure strengthens the ear-protector 22 after cooperating with the connecting post 21

Edge 23 of rear mesh enclosure

Base support frame 3 brushless motor 4

Plastic base 31 connecting column 32

Iron chassis 33

Rotating shaft 41 of brushless motor

EMC reinforcing module 5 fan blade subassembly 6

Motor housing assembly 7

Front cover 71 and rear cover 72

Flange face 73 and cavity 74

Bolt 8

Nut 9

Milling flat screw 10

Spring 01

Tooth pad 02

Long torsion member 03

Screw 04

Gasket 05

A Z-shaped piece 06.

Detailed Description

To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 8, the present invention discloses a vehicle fan with a brushless motor, including: the fan blade assembly comprises a front mesh enclosure 1, a rear mesh enclosure 2, a base support frame 3, a brushless motor 4, an EMC (electro magnetic compatibility) enhancement module 5, a fan blade assembly 6 and a motor shell assembly 7, wherein the front mesh enclosure 1 is buckled with the rear mesh enclosure 2, the fan blade assembly 6 is arranged between the front mesh enclosure 1 and the rear mesh enclosure 2, the fan blade assembly 6 is driven to rotate by a rotating shaft 41 of the brushless motor, the rear mesh enclosure 2 can selectively rotate relative to the base support frame 3, and the motor shell assembly 7 is arranged between the base support frame 3 and the rear mesh enclosure 2; motor casing subassembly 7 includes a protecgulum 71 and a back lid 72 that is equipped with flange face 73, protecgulum 71 and the fixed appearance chamber 74 that forms of back lid 72, EMC reinforcing module 5 holds with brushless motor 4 and locates in holding the chamber 74, flange face 73 is fixed with back screen panel 2, power electric connection in EMC reinforcing module 5 and brushless motor 4 and the car, wherein EMC reinforcing module 5 can adopt the circuit that figure 8 is shown, in this embodiment, EMC reinforcing module 5 can paste admittedly on brushless motor 4, makes the utility model discloses a structure is compacter, and the volume is littleer.

Therefore, the utility model has the advantages of no carbon brush, low interference, low noise, smooth operation, long service life and low maintenance cost through the arrangement of the brushless motor 4, thereby the utility model has simple integral structure, low interference and low noise, in addition, the utility model can prevent the electromagnetic wave generated by the motor from influencing the electromagnetic wave of other electrical equipment in the vehicle by the structural design of the EMC enhancing module 5 through the structural design of the EMC enhancing module 5, and can play a good role of anti-interference, therefore, the utility model not only can radiate heat and cool, but also can prevent the motor from interfering with the work of other electrical equipment in the vehicle, and the utility model utilizes the structural design of the motor shell component 7 to directly vacate the installation space for the EMC enhancing module 5 in the containing cavity 74 for accommodating the brushless motor 4, thereby only slightly changing the size of the original vehicle-mounted fan, the requirements for installing the EMC enhancement module 5 can be met, the structural change is small, and the workload of change is small.

Wherein, the base support frame 3 can include a plastic base 31 with a connection post 32 and an iron base plate 33, the plastic base 31 is locked above the iron base plate 33, thereby reducing the weight of the base support frame 3 and ensuring the support strength of the base support frame 3, two matching connection posts 21 are convexly arranged on the back side of the rear mesh enclosure 2 at intervals, one matching connection post 21 and the corresponding connection post 32 are penetrated by a bolt 8, a nut 9 is arranged at the end of the bolt 8, the other matching connection post 21 and the corresponding connection post 32 are penetrated by a milling flat screw 10, the end of the milling flat screw 10 sequentially penetrates a spring 01, a tooth pad 02 and a long torsion piece 03, and the rear mesh enclosure 2 can selectively rotate relative to the base support frame 3 by matching or loosening the long torsion piece 03 and the milling flat screw 10, so that the utility model has a simple integral structure, and the blowing angle of the vehicle fan is convenient to adjust.

Further, the utility model discloses can also strengthen the earflap 22 including two back screen panels, back screen panel is strengthened the earflap 22 and is passed through the screw 04 lock solid on back screen panel 2, back screen panel is strengthened the earflap 22 and is laminated adjacent cooperation spliced pole 21 respectively to utilize the back screen panel to strengthen the earflap 22 protection cooperation spliced pole 21.

Furthermore, in this embodiment, the rear cover 72 may be sleeved on the front cover 71, the side walls of the rear cover 72 and the front cover 71 are locked by the screws 04 in cooperation with the spacers 05, and the arrangement of the spacers 05 prevents the side walls of the rear cover 72 and the front cover 71 from being damaged by the locking process of the screws 04.

In addition, the front cover 71 can be locked with the brushless motor 4 by the screws 04, so that the fixing strength between the front cover 71 and the brushless motor 4 is enhanced.

Further, the inside wall of preceding screen panel 1 can be protruding to be equipped with a holding surface 11, the protruding lock post 12 of establishing a plurality of intervals and setting up of the inboard of holding surface 11, the edge 23 of back screen panel 2 is pressed firmly on holding surface 11 through the Z section of cloth 06 that a plurality of intervals set up, Z section of cloth 06 is through the screw 04 lock admittedly on the lock post 12 that corresponds to the lock of screen panel 1 and back screen panel 2 before the realization, the whole assembly is simple.

The technical content and technical features of the present invention have been disclosed as above, the number of the components of the present invention is not limited to the above, and those skilled in the art may make various replacements and modifications based on the disclosure of the present invention without departing from the spirit of the present invention. Therefore, the protection scope of the present invention should not be limited to the embodiments disclosed, but should include various alternatives and modifications without departing from the invention, and be covered by the claims.

Claims

1. A vehicle fan with a brushless motor, comprising: the fan blade assembly is driven by a rotating shaft of the brushless motor to rotate, the rear mesh enclosure can selectively rotate relative to the base support frame, and the motor shell assembly is arranged between the base support frame and the rear mesh enclosure;

the motor shell assembly comprises a front cover and a rear cover, the front cover and the rear cover are fixedly provided with flange faces, a containing cavity is formed by the front cover and the rear cover, the brushless motor is contained in the containing cavity, and the flange faces are fixed with a rear mesh cover.

2. A vehicular fan with a brushless motor according to claim 1, wherein: the base support frame includes a plastic base and an iron base that have the spliced pole, the plastic base lock is in the top on iron base, the back interval of back screen panel is protruding to be equipped with two cooperation spliced poles, one of them cooperation spliced pole and the spliced pole that corresponds pass by a bolt and a nut is installed to the end of bolt, and another cooperation spliced pole passes by a mill flat screw with the spliced pole that corresponds and the end of milling flat screw passes a spring, a tooth pad and a long piece of turning round in proper order, and it screws or unscrews the realization to turn round the piece through the long and mill the cooperation of flat screw back screen panel selectivity rotates for the base support frame.

3. A vehicular fan with a brushless motor according to claim 2, wherein: the rear mesh enclosure reinforcing lug is fixedly locked on the rear mesh enclosure through screws, and the rear mesh enclosure reinforcing lug is respectively attached to the adjacent matching connecting columns.

4. A vehicular fan with a brushless motor according to claim 1, wherein: the vehicle-mounted power supply further comprises an EMC enhancement module, wherein the EMC enhancement module is contained in the containing cavity and is electrically connected with the brushless motor and the vehicle-mounted power supply.

5. The vehicular fan with the brushless motor according to claim 4, wherein: the EMC enhancement module is fixedly attached to the brushless motor.

6. A vehicular fan with a brushless motor according to claim 1, wherein: the rear cover is sleeved on the front cover, and the rear cover is locked with the side wall of the front cover through a bolt matched with a gasket.

7. A vehicular fan with a brushless motor according to claim 1, wherein: the front cover is locked with the brushless motor through a screw.

8. A vehicular fan with a brushless motor according to claim 1, wherein: the novel screen window is characterized in that a supporting surface is convexly arranged on the inner side wall of the front screen cover, a plurality of lock columns arranged at intervals are convexly arranged on the inner side of the supporting surface, the edge of the rear screen cover is pressed and fixed on the supporting surface through a plurality of Z-shaped pieces arranged at intervals, and the Z-shaped pieces are fixedly locked on the corresponding lock columns through screws.