CN210919504U

CN210919504U - Take sawtooth pattern low noise fan leaf fan

Info

Publication number: CN210919504U
Application number: CN201921284506.4U
Authority: CN
Inventors: 付伟; 刘兰
Original assignee: Qingdao Dingxin Kejia New Energy Co Ltd
Current assignee: Qingdao Dingxin Kejia New Energy Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-07-03
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a fan with saw-tooth type low noise fan blades, which comprises a fan shell, a motor fixing frame is arranged in the fan shell, a motor is transversely arranged in the motor fixing frame, a silencing cover is sleeved outside the motor, supporting baffles are annularly arranged on the inner wall of the fan shell, a rubber pad is arranged at the inner side of each supporting baffle, the motor is supported and fixed through a plurality of supporting baffles, the output end of the motor is provided with a shaft coupling, one end of the shaft coupling is fixedly connected with a rotating shaft, an impeller is annularly arranged at the peripheral side of the rotating shaft, a saw-tooth wheel is arranged at the edge of the impeller, wind deflectors are respectively and fixedly arranged at the upper end and the lower end of the left side of the fan shell, and a filter screen is arranged between the two wind deflectors. The vibration of the bearing is gradually increased, and the normal use of the fan is influenced.

Description

Take sawtooth pattern low noise fan leaf fan

Technical Field

The utility model belongs to the technical field of the fan, concretely relates to take sawtooth pattern low noise fan leaf fan.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part (a bearing) and the like.

The existing fan can generate larger noise when working, and is also avoided for modern industrial production with more and more strict requirements. When the fan starts to work, the vibration of the bearing part is small, but along with the lengthening of the running time, the dust in the fan can be unevenly attached to the impeller, the dynamic balance of the fan is gradually damaged, the vibration of the bearing is gradually increased, and the normal use of the fan is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a take sawtooth pattern low noise fan leaf fan to can produce bigger noise when solving the current fan work that proposes in the above-mentioned background art, simultaneously along with operating time's extension, dust can inhomogeneous attached to on the impeller in the fan, destroys the dynamic balance of fan gradually, makes the bearing vibration increase gradually, influences the problem of the normal use of fan.

In order to achieve the above object, the utility model provides a following technical scheme: a fan with a sawtooth type low-noise fan blade comprises a fan shell, wherein an air inlet is formed in the left side of the fan shell, a motor fixing frame is arranged in the fan shell, a motor is transversely arranged in the motor fixing frame, a silencing cover is sleeved outside the motor, supporting baffles are annularly arranged on the inner wall of the fan shell, a rubber pad is arranged on the inner side of each supporting baffle, the motor is supported and fixed through a plurality of supporting baffles, a coupler is arranged at the output end of the motor, one end, away from the motor, of the coupler is fixedly connected with a rotating shaft, impellers are annularly arranged on the peripheral side of the rotating shaft, sawtooth wheels are arranged on the edges of;

and the upper end and the lower end of the left side of the fan shell are respectively fixedly provided with an air deflector, and a filter screen is arranged between the two air deflectors.

Preferably, the bottom of the left side of the air deflector is transversely penetrated and provided with a sliding groove, a sliding block is arranged in the sliding groove, the sliding block is in sliding fit with the sliding groove, a filter screen is arranged between the two sliding blocks, a rotating shaft is fixedly arranged on the left side of the air deflector respectively, and a rotating baffle is rotatably arranged on the rotating shaft.

Preferably, the two sides of the bottom of the fan shell are respectively and fixedly provided with a supporting rod, the bottoms of the two supporting rods are connected with a cross rod, two sides of the cross rod are respectively and fixedly provided with a fixing piece, the tops of the two fixing pieces are respectively provided with a screw in a threaded manner, and the cross rod is fixed through screwing the screws.

Preferably, the longitudinal section of the rotating baffle is rectangular.

Preferably, the surface of the fan shell is coated with antirust paint.

Preferably, the impellers are provided with five.

Preferably, the fixing piece is made of stainless steel.

Compared with the prior art, the utility model provides a take sawtooth pattern low noise fan leaf fan possesses following beneficial effect:

1. the utility model discloses a be provided with amortization cover, aviation baffle isotructure, the noise that the amortization cover produced the motor during operation weakens the elimination, and the aviation baffle has the effect of wind-guiding amortization.

2. The utility model discloses a be provided with the filter screen, the effect of filter screen filtration dust prevents in the air in the dust blows into the fan shell, and the dust can inhomogeneous attached to on the impeller, influences the fan and normally works.

3. The utility model discloses a be provided with rotating barrier and pivot isotructure, when the filter screen needs to wash, the rotatory rotating barrier that makes progress, the slider that slides left makes it follow roll-off in the spout, and the convenience is dismantled the washing to the filter screen.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic view of a front view structure provided by the present invention;

fig. 2 is a schematic left-side sectional structure view of the present invention;

in the figure: 1. a fan housing; 2. an impeller; 3. a serrated wheel; 4. a support bar; 5. a fixing sheet; 6. a screw; 7. a cross bar; 8. a rotating shaft; 9. a coupling; 10. a motor fixing frame; 11. a support baffle; 12. a rubber pad; 13. a rotating shaft; 14. rotating the baffle; 15. a motor; 16. a sound deadening hood; 17. an air deflector; 18. a filter screen; 19. a slider; 20. a chute.

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.

Referring to fig. 1-2, the present invention provides a technical solution of a low noise fan with saw teeth: a low-noise fan blade fan with saw teeth comprises a fan shell 1, antirust paint is coated on the surface of the fan shell 1, an air inlet is formed in the left side of the fan shell 1, a motor fixing frame 10 is arranged in the fan shell 1, a motor 15 is transversely arranged in the motor fixing frame 10, a silencing cover 16 is sleeved outside the motor 15 and has a noise eliminating effect, supporting baffles 11 are annularly arranged on the inner wall of the fan shell 1, a rubber pad 12 is arranged on the inner side of each supporting baffle 11, the rubber pads 12 have a protection effect on the motor 15, the motor 15 is abutted and fixed through a plurality of supporting baffles 11, a coupler 9 is arranged at the output end of the motor 15, a rotating shaft 8 is fixedly connected to one end, away from the motor, of the coupler 9, impellers 2 are annularly arranged on the peripheral side of the rotating shaft 8, five impellers 2 are arranged, saw;

the upper end and the lower end of the left side of the fan shell 1 are respectively and fixedly provided with an air deflector 17, a filter screen 18 is arranged between the two air deflectors 17, and the filter screen 18 is used for filtering dust from the entering air.

The bottom of the left side of the air deflector 17 transversely penetrates through and is provided with a sliding groove 20, a sliding block 19 is arranged in the sliding groove 20, the sliding block 19 is in sliding fit with the sliding groove 20, a filter screen 18 is installed between the two sliding blocks 19, the left side of each air deflector 17 is fixedly provided with a rotating shaft 13, a rotating baffle 14 is rotatably arranged on the rotating shaft 13, the longitudinal section of the rotating baffle 14 is rectangular, the rotating baffle 14 can prevent the sliding block 19 from being separated, and the filter screen 18 is conveniently disassembled and washed.

The utility model discloses a fan shell, including fan shell 1, two bracing pieces, horizontal pole 7, stationary blade 5, screw 6, horizontal pole 7, fixed bracing piece 4, two bracing pieces 4, fixed bracing piece 5, stationary blade 5, two stationary blades 5, two fixed bracing pieces 5 top equal screw threads are provided with screw 6, and horizontal pole 7 is fixed through screw 6.

The utility model discloses a theory of operation and use flow: during the use, the work of starter motor 15, motor 15 drives rotation axis 8 and rotates, rotation axis 8 drives impeller 2 and rotates, impeller 2 draws the wind-blowing of air intake department to the air outlet, through be equipped with amortization cover 16 at motor 15 overcoat, amortization cover 16 has the effect of weakening the elimination with the noise that motor 15 during operation produced, be provided with aviation baffle 17 in fan shell 1 left side simultaneously and have the effect of wind-guiding amortization, the filter screen 18 that sets up has the effect of filtering the dust, prevent that dust in the air from blowing in fan shell 1, the dust can inhomogeneous adhering to on impeller 2, influence the normal work of fan, be provided with rotating barrier 14 simultaneously, prevent that slider 19 from droing, when filter screen 18 needs to wash, upwards rotating barrier 14, slide slider 19 left, slide 19 from the interior roll-off of spout 20, conveniently wash filter screen 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take sawtooth pattern low noise fan leaf fan, includes fan shell (1), its characterized in that: an air inlet is formed in the left side of the fan shell (1), a motor fixing frame (10) is arranged in the fan shell (1), a motor (15) is transversely arranged in the motor fixing frame (10), a silencing cover (16) is sleeved outside the motor (15), supporting baffles (11) are annularly arranged on the inner wall of the fan shell (1), a rubber pad (12) is arranged on the inner side of each supporting baffle (11), the motor (15) is supported and fixed through a plurality of supporting baffles (11), a coupler (9) is arranged at the output end of the motor (15), one end, far away from the motor, of the coupler (9) is fixedly connected with a rotating shaft (8), impellers (2) are annularly arranged on the peripheral side of the rotating shaft (8), saw-toothed wheels (3) are arranged on the edges of the impellers (2), and an;

the air guide plates (17) are fixedly arranged at the upper end and the lower end of the left side of the fan shell (1) respectively, and a filter screen (18) is arranged between the two air guide plates (17).

2. The fan of claim 1, wherein: the bottom of the left side of the air deflector (17) transversely penetrates through and is provided with a sliding groove (20), a sliding block (19) is arranged in the sliding groove (20), the sliding block (19) is in sliding fit with the sliding groove (20), a filter screen (18) is arranged between the two sliding blocks (19), the left side of each air deflector (17) is fixedly provided with a rotating shaft (13), and a rotating baffle (14) is rotatably arranged on each rotating shaft (13).

3. The fan of claim 1, wherein: the fan shell is characterized in that supporting rods (4) are fixedly arranged on two sides of the bottom of the fan shell (1) respectively, a cross rod (7) is connected to the bottoms of the two supporting rods (4), fixing pieces (5) are fixedly arranged on two sides of the cross rod (7) respectively, screws (6) are arranged on the tops of the two fixing pieces (5) in a threaded mode, and the cross rod (7) is fixed through the screws (6).

4. The fan of claim 2, wherein: the longitudinal section of the rotary baffle (14) is rectangular.

5. The fan of claim 1, wherein: the surface of the fan shell (1) is coated with antirust paint.

6. The fan of claim 1, wherein: the impellers (2) are provided with five.

7. The fan of claim 3, wherein: the fixing piece (5) is made of stainless steel.