CN209990699U

CN209990699U - Fan shell

Info

Publication number: CN209990699U
Application number: CN201920569801.8U
Authority: CN
Inventors: 顾长峰; 纪大山
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-24
Anticipated expiration: 2029-04-24

Abstract

The utility model belongs to the technical field of the fan technique and specifically relates to indicate a fan shell, including the wind channel and be used for installing the mount of motor, the mount includes preceding tip, back tip and connects in a plurality of fixed feet of preceding tip and back tip, and the one end of fixed foot stretches out preceding tip suddenly and is connected with wind channel detachably, forms at least one installation space and a plurality of heat dissipation space between a plurality of fixed feet, first bearing and second bearing have been installed respectively to preceding tip and back tip, heat dissipation space and wind channel intercommunication. The utility model discloses a fan housing's modularization, be convenient for processing production, the dismouting is convenient with the maintenance, according to the size of required amount of wind, is convenient for change the wind channel of difference, and the practicality is strong, and the radiating efficiency is high, and the axiality of the pivot of motor, mount and wind channel is good, has reduced windage and noise, is favorable to improving the amount of wind, has prolonged the life of motor.

Description

Fan shell

Technical Field

The utility model belongs to the technical field of the fan technique and specifically relates to indicate a fan shell.

Background

The fan mainly comprises motor, fan blade, shell. There are two main types of fans in the prior art: one is an integrated fan, and the other is a split fan. The shell and the air duct of the existing integrated fan are integrally formed to form a shell, so that the integrated fan is inconvenient to disassemble, assemble and maintain, high in maintenance cost and poor in coaxiality of a rotating shaft of a motor, and the shell and the air duct are integrally formed, so that the difficulty in production and manufacturing is high, the production cost is increased, and different air ducts cannot be replaced according to the actually required air quantity; the existing split type fan is poor in heat dissipation effect and short in service life.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a dismouting is convenient with the maintenance, and the radiating efficiency is high, and the axiality is good, and windage and noise are little, can prolong the life's of fan shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fan shell, its includes the wind channel and is used for installing the mount of motor, the mount includes preceding tip, back tip and connects in a plurality of fixed feet of preceding tip and back tip, and the one end of fixed foot stretches out preceding tip suddenly and is connected with wind channel detachably, forms at least one installation space and a plurality of heat dissipation space between a plurality of fixed feet, first bearing and second bearing have been installed respectively to preceding tip and back tip, heat dissipation space and wind channel intercommunication.

Furthermore, the air duct comprises a sleeve portion detachably connected with the fixing feet and an air guide portion arranged in the sleeve portion, and the sleeve portion is provided with a rotating space communicated with the air guide portion and used for containing the fan blades.

Furthermore, the air guiding part comprises an air guiding core coaxially arranged with the sleeve part and a plurality of air guiding plates connected with the sleeve part and the air guiding core, the plurality of air guiding plates are arranged on the air guiding core in an annular array mode and divide the sleeve part into a plurality of air guiding channels, and the air guiding channels are communicated with the rotating space.

Furthermore, the sleeve part is internally provided with a mounting part, the air guide part comprises an air guide core detachably arranged on the mounting part and a plurality of air guide plates arranged on the air guide core, and the plurality of air guide plates are annularly arranged on the air guide core and divide the sleeve part into a plurality of air guide channels.

Furthermore, the air deflector is an involute arc surface.

Further, the front end portion is detachably connected with a front end cover used for abutting against the outer ring of the first bearing, and the rear end portion is detachably connected with a rear end cover used for abutting against the outer ring of the second bearing.

Further, front end housing and rear end cap all are provided with a plurality of jack catchs, and front end housing is via a plurality of jack catchs and preceding tip joint, and the rear end cap is via a plurality of jack catchs and rear end portion joint.

Furthermore, the front end part and the rear end part are both provided with limit grooves for accommodating the clamping jaws.

Furthermore, the fixed foot is provided with a positioning block and a first positioning hole, and the air duct is provided with a positioning groove matched with the positioning block and a second positioning hole communicated with the first positioning hole.

Further, the fixed foot is provided with a clamping groove.

The utility model has the advantages that: during the equipment, the motor is assembled in the mount via installation space, fixed foot is contradicted with the main part of motor, the one end (the output) of the pivot of motor is connected with preceding tip via first bearing and rotation, the other end of the pivot of motor is connected with the back tip via the second bearing and rotation, and the one end of the pivot of motor stretches out first bearing suddenly and is connected with the fan blade, then install the wind channel on fixed foot for the air inlet end and the heat dissipation space and the installation space intercommunication in wind channel, the fan blade is located the wind channel. The utility model has the advantages of simple structure, realized the modularization of shell, be convenient for processing production, the dismouting is convenient with the maintenance, the maintenance cost is low, can be according to the size of the required amount of wind of fan, be convenient for change different wind channels, therefore, the practicality is strong, and heat dissipation space and installation space are convenient for give off the heat that the motor during operation produced, because heat dissipation space and installation space all with the air inlet end of wind channel intercommunication, the heat transmission that the motor during operation produced is to in heat dissipation space and the installation space, so when the fan blade rotates, the air in heat dissipation space and the installation space is discharged via the wind channel, further improved the radiating efficiency of motor; in addition, through setting up first bearing and second bearing, the pivot of the motor of being convenient for rotates, and stability when having improved the pivot of motor and rotating has guaranteed the axiality of pivot, mount and the wind channel of motor, has reduced windage and noise, is favorable to improving the amount of wind, can prolong the life of motor.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first embodiment of the present invention.

Fig. 3 is a schematic view of the exploded structure of the present invention.

Fig. 4 is a schematic perspective view of the fixing frame of the present invention.

Fig. 5 is a schematic perspective view of an air duct according to a first embodiment of the present invention.

Fig. 6 is an exploded schematic view of an air duct according to a second embodiment of the present invention.

Fig. 7 is an exploded schematic view of another view angle of the air duct according to the second embodiment of the present invention.

Description of reference numerals:

1. an air duct; 11. a sleeve portion; 111. a rotating space; 112. positioning a groove; 113. a second positioning hole; 12. a wind guide part; 121. an air guide core; 122. an air deflector; 123. an air guide channel; 13. an installation part; 131. a central portion; 132. a connecting plate; 133. a convex key; 134. a keyway; 2. a fixed mount; 21. a front end portion; 211. a limiting groove; 22. a rear end portion; 23. a fixing leg; 231. positioning blocks; 232. a first positioning hole; 233. a card slot; 24. an installation space; 25. a heat dissipation space; 3. a first bearing; 4. a second bearing; 5. a front end cover; 51. a claw; 6. and a rear end cap.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

The first embodiment.

As shown in fig. 1 to 5, the utility model provides a pair of fan shell, it includes wind channel 1 and is used for installing the mount 2 of motor, mount 2 includes preceding tip 21, rear end 22 and connects in a plurality of fixed feet 23 of preceding tip 21 and rear end 22, and the one end of fixed feet 23 stretches out preceding tip 21 and is connected with wind channel 1 detachably, forms at least one installation space 24 and a plurality of heat dissipation space 25 between a plurality of fixed feet 23, first bearing 3 and second bearing 4 have been installed respectively to preceding tip 21 and rear end 22, heat dissipation space 25 and wind channel 1 intercommunication, preceding tip 21 and rear end 22 interval setting.

During the equipment, the motor is assembled in mount 2 via installation space 24, fixed foot 23 is contradicted with the main part of motor, the one end (the output) of the pivot of motor is connected with preceding tip 21 rotation via first bearing 3, the other end of the pivot of motor is connected with rear end 22 rotation via second bearing 4, and the one end of the pivot of motor is stretched out first bearing 3 suddenly and is connected with the fan blade, then install wind channel 1 on fixed foot 23, make the air inlet end and heat dissipation space 25 and the installation space 24 intercommunication in wind channel 1, the fan blade is located wind channel 1. The utility model has the advantages of simple structure, the modularization of shell has been realized, the processing production of being convenient for, the dismouting is convenient with the maintenance, the maintenance cost is low, can be according to the size of the required amount of wind of fan, be convenient for change different wind channel 1, therefore, the clothes hanger is strong in practicability, and heat dissipation space 25 and installation space 24 are convenient for give off the heat that the motor during operation produced, because heat dissipation space 25 and installation space 24 all with the air inlet end of wind channel 1 intercommunication, the heat transmission that the motor during operation produced is to heat dissipation space 25 and installation space 24 in, so when the fan blade rotates, the air in heat dissipation space 25 and installation space 24 is discharged via wind channel 1, the radiating efficiency of motor has further been improved; in addition, through setting up first bearing 3 and second bearing 4, the pivot of the motor of being convenient for rotates, and stability when having improved the pivot of motor and rotating has guaranteed the axiality of pivot, mount 2 and wind channel 1 of motor, has reduced windage and noise, is favorable to improving the amount of wind, can prolong the life of motor.

In this embodiment, the air duct 1 includes a sleeve portion 11 detachably connected to the fixing legs 23 and an air guiding portion 12 disposed in the sleeve portion 11, the sleeve portion 11 is provided with a rotating space 111 communicated with the air guiding portion 12 and used for accommodating a fan blade, the heat dissipation space 25 and the installation space 24 are both communicated via the rotating space 111, the fan blade is rotatably disposed between the air guiding portion 12 and the front end portion 21, that is, the fan blade is located at an air inlet end of the sleeve portion 11, the air guiding portion 12 is located at an air outlet end of the sleeve portion 11, an air flow generated when the fan blade rotates is blown out via the air guiding portion 12, in this process, heat in the heat dissipation space 25 and the installation space 24 is transferred to the air flow, so as to achieve a good heat dissipation effect, and the air guiding portion 12 guides the air flow, thereby reducing wind resistance and increasing air volume.

Preferably, the air duct 1 is integrally formed, so that the strength and hardness of the air duct 1 are improved, and the service life of the air duct 1 is prolonged.

In this embodiment, the air guiding portion 12 includes an air guiding core 121 coaxially disposed with the sleeve portion 11, and a plurality of air guiding plates 122 connected to the sleeve portion 11 and the air guiding core 121, the plurality of air guiding plates 122 are disposed in the air guiding core 121 in an annular array and partition the sleeve portion 11 into a plurality of air guiding channels 123, and the air guiding channels 123 are communicated with the rotating space 111, so as to guide the wind flow generated by the wind blades, and reduce the wind resistance.

In this embodiment, the air deflector 122 is an involute arc surface, which further reduces the wind resistance of the wind flow and improves the wind pressure and the wind volume.

Preferably, the fixing frame 2 is integrally formed, so that the strength and the hardness of the fixing frame 2 are improved, the service life of the fixing frame 2 is prolonged, the production and the manufacture are convenient, and the production cost is reduced; the fixing legs 23 are u-shaped, the front end portion 21 and the rear end portion 22 are both circular, the first bearing 3 is installed in the inner ring of the front end portion 21, the second bearing 4 is installed in the inner ring of the rear end portion 22, the number of the fixing legs 23 is three, specifically, an included angle between the first fixing leg 23 and the second fixing leg 23 is 80 degrees to form a heat dissipation space 25, an included angle between the second fixing leg 23 and the third fixing leg 23 is 80 degrees to form a heat dissipation space 25, and an included angle between the first fixing leg 23 and the third fixing leg 23 is 200 degrees to form an installation space 24, so that the fixing frame 2 is convenient for assembling the motor and also convenient for dissipating heat of the motor.

In this embodiment, the front end portion 21 is detachably connected with a front end cover 5 for abutting against an outer ring of the first bearing 3, and the front end cover 5 limits the first bearing 3 to ensure the stability and position accuracy of the first bearing 3 mounted on the front end portion 21; rear end portion 22 detachably is connected with the rear end cap 6 that is used for conflicting second bearing 4's outer lane, and rear end cap 6 is spacing to second bearing 4 to guarantee that second bearing 4 installs the stability and the position accuracy at rear end portion 22.

In this embodiment, front end housing 5 and rear end housing 6 all are provided with a plurality of jack catchs 51, and front end housing 5 is via a plurality of

jack catchs

51 and 21 joints of front end portion for 5 chucking of front end housing are on front end portion 21, and rear end housing 6 is via a plurality of jack catchs 51 and rear end portion 22 joints, make 6 chuckings of rear end housing on rear end portion 22, and the front end housing 5 of being convenient for, rear end housing 6 and mount 2 carry out the dismouting, have improved the efficiency of dismouting.

In this embodiment, the front end portion 21 and the rear end portion 22 are both provided with a limiting groove 211 for accommodating the claw 51; the limit groove 211 of the front end part 21 limits the claw 51 of the front end cover 5, so that the front end cover 5 and the front end part 21 are convenient to assemble, and the stability and the position accuracy of the front end cover 5 clamped on the fixed frame 2 are improved; the limiting groove 211 of the rear end part 22 limits the claw 51 of the rear end cover 6, so that the rear end cover 6 and the rear end part 22 can be assembled conveniently, and the stability and the position accuracy of the rear end cover 6 clamped on the fixing frame 2 are improved.

In this embodiment, the fixing leg 23 is provided with a positioning block 231 and a first positioning hole 232, the air duct 1 is provided with a positioning slot 112 engaged with the positioning block 231 and a second positioning hole 113 communicated with the first positioning hole 232, the fixing leg 23 is connected with the sleeve portion 11 of the air duct 1 via a pin, and the pin penetrates through the first positioning hole 232 and the second positioning hole 113, so that the fixing frame 2 is fixedly connected with the air duct 1, and the mounting and dismounting are convenient; when the first positioning hole 232 is a threaded hole, the fixing leg 23 is connected to the sleeve portion 11 of the air duct 1 via a screw, and the screw is in threaded connection with the first positioning hole 232 via the second positioning hole 113, so that the fixing frame 2 is fixedly connected to the air duct 1, and the mounting and dismounting are convenient.

Of course, the fixing frame 2 and the sleeve portion 11 of the air duct 1 may be detachably connected by means of fastening or clipping.

In this embodiment, the fixing leg 23 is provided with a slot 233, and a fixture block of the motor is clamped in the slot 233, so as to ensure the stability of the motor installed in the fixing frame 2.

Example two.

As shown in fig. 1, 6 and 7, the present embodiment is different from the first embodiment in that: the installation part 13 is arranged in the sleeve part 11, the air guide part 12 comprises an air guide core 121 detachably arranged on the installation part 13 and a plurality of air guide plates 122 arranged on the air guide core 121, the modularization of the air duct 1 is realized, the air guide part 12 is convenient to produce and manufacture, a user can conveniently replace the air guide part 12 with different specifications or structures according to the required air quantity, the whole air duct 1 is not required to be replaced, only the air guide part 12 is required to be replaced, and the use cost is reduced; the plurality of wind deflectors 122 are arranged in the wind guide core 121 in an annular array and divide the sleeve part 11 into a plurality of wind guide channels 123, so that the wind resistance of wind flow is reduced, and the wind pressure and the wind volume are improved.

Preferably, the mounting portion 13 and the sleeve portion 11 are integrally formed, so that structural stability and strength of the sleeve portion 11 and the mounting portion 13 are ensured; the mounting portion 13 comprises a central portion 131 and a plurality of connecting plates 132 connected to the central portion 131 and the sleeve portion 11, the connecting plates 132 and the air guide plates 122 are arranged in a one-to-one correspondence manner, the central portion 131 is provided with a convex key 133, the air guide core 121 is provided with a key groove 134 used for being matched with the convex key 133, the convex key 133 is matched with the key groove 134, the central portion 131 and the air guide core 121 can be conveniently disassembled and assembled, and the stability of assembling the air guide portion 12 and the sleeve portion 11 is ensured; the central portion 131 and the wind guide core 121 are fixedly connected by screws, so that the wind guide portion 12 and the sleeve portion 11 are more stably assembled, and the wind guide portion 12 and the sleeve portion 11 are conveniently assembled and disassembled.

The remaining structure of this embodiment is the same as that of the first embodiment, and is not described in detail herein.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A fan casing which characterized in that: including the wind channel and be used for installing the mount of motor, the mount includes preceding tip, back tip and connects in a plurality of fixed feet of preceding tip and back tip, and the one end of fixed foot stretches out preceding tip suddenly and is connected with wind channel detachably, forms at least one installation space and a plurality of heat dissipation space between a plurality of fixed feet, first bearing and second bearing have been installed respectively to preceding tip and back tip, heat dissipation space and wind channel intercommunication.

2. The blower housing of claim 1 wherein: the air duct comprises a sleeve portion detachably connected with the fixing feet and an air guide portion arranged in the sleeve portion, and the sleeve portion is provided with a rotating space communicated with the air guide portion and used for containing the fan blades.

3. A blower housing according to claim 2 wherein: the air guide part comprises an air guide core coaxially arranged with the sleeve part and a plurality of air guide plates connected with the sleeve part and the air guide core, the plurality of air guide plates are arranged on the air guide core in an annular array mode and divide the sleeve part into a plurality of air guide channels, and the air guide channels are communicated with the rotating space.

4. A blower housing according to claim 2 wherein: the air guide part comprises an air guide core detachably arranged on the mounting part and a plurality of air guide plates arranged on the air guide core, and the plurality of air guide plates are annularly arrayed on the air guide core and divide the sleeve part into a plurality of air guide channels.

5. A blower housing according to claim 3 or 4 characterised in that: the air deflector is an involute cambered surface.

6. The blower housing of claim 1 wherein: the front end part is detachably connected with a front end cover used for abutting against the outer ring of the first bearing, and the rear end part is detachably connected with a rear end cover used for abutting against the outer ring of the second bearing.

7. The blower housing set forth in claim 6 wherein: the front end cover and the rear end cover are both provided with a plurality of clamping jaws, the front end cover is clamped with the front end part through the plurality of clamping jaws, and the rear end cover is clamped with the rear end part through the plurality of clamping jaws.

8. The blower housing set forth in claim 7 wherein: the front end part and the rear end part are both provided with limit grooves used for accommodating clamping jaws.

9. The blower housing of claim 1 wherein: the fixed foot is provided with a positioning block and a first positioning hole, and the air duct is provided with a positioning groove matched with the positioning block and a second positioning hole communicated with the first positioning hole.

10. The blower housing of claim 1 wherein: the fixed foot is provided with a clamping groove.