CN219159223U

CN219159223U - Antifouling fan

Info

Publication number: CN219159223U
Application number: CN202223128219.9U
Authority: CN
Inventors: 刘涛
Original assignee: Dongguan Ningjie Plastic Mould Co ltd
Current assignee: Dongguan Ningjie Plastic Mould Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-09
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses an anti-fouling fan, which comprises an anti-fouling fan shell; the utility model can utilize the honeycomb holes to filter larger floccules in the air when the anti-fouling fan is put into use, and simultaneously utilizes the round air filter plate to filter the floccules in smaller indoor air, so that the floccules are prevented from accumulating in a computer case and other machines, the floccules are prevented from winding and accumulating on internal power utilization parts, the service life is effectively prolonged, and in addition, through the elastic abutting structure, when the round air filter plate needs to be replaced after a period of use, the air filter plate inside can be replaced by compressing the abutting spring and rotating the cover plate, the post-maintenance is facilitated, and the practicability is stronger.

Description

Antifouling fan

Technical Field

The utility model relates to the technical field of fans, in particular to an antifouling fan.

Background

The electric fan is a device for generating air flow by electric drive, and the fan arranged in the electric fan rotates after being electrified, and the mechanical energy is converted into wind energy, so that natural wind is formed to achieve a cooling effect.

After the computer case is used for a certain period of time, a large amount of fine floccules in the air in the room can be accumulated in the case, the floccules can be attached to parts and fan blades in the case, people who often use the computer can see the floccules by opening the case cover, the environment in the case and the heat dissipation function of the fan on the parts are affected, and the influence is caused on all parts in the case; accordingly, an anti-fouling fan has been proposed to address the above-described problems.

Disclosure of Invention

The present utility model is directed to an anti-fouling fan, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a dirt-proof fan comprises a dirt-proof fan housing; the middle parts at the front end and the rear end of the surface of the anti-fouling fan shell are fixedly provided with a group of mounting blocks, the top of the left surface of the anti-fouling fan shell is provided with an air outlet, a motor is fixedly mounted in the middle of the interior of the anti-fouling fan shell, the lower surface of the motor is rotationally provided with fan blades, the middle part of the upper surface of the anti-fouling fan shell is provided with an air inlet groove, and the outer side of the air inlet groove is provided with a convenient replacement type air filtering component.

Further technical scheme, convenient change formula air filter subassembly includes the annular piece, annular piece fixed mounting is in the outside of antifouling fan shell upper surface, the annular piece is hollow structure, the extension groove has been seted up at the inner wall top of annular piece, spacing circular air filter plate of installing in the inner wall in extension groove.

Further technical scheme, the middle part fixed mounting of annular piece left surface has the connecting block, the middle part fixed mounting of connecting block upper surface has vertical ascending montant, the top fixed mounting of montant has the stopper.

Further technical scheme, the outside fixed mounting of stopper lower surface has the conflict spring, the middle part slidable mounting of montant surface has annular conflict board, annular conflict board is hollow structure, through conflict spring elastic connection between annular conflict board and the stopper.

Further technical scheme, the upper surface of annular piece is spacing installs the apron, the honeycomb hole of its upper and lower surface of simultaneous observation is seted up at the middle part of apron upper surface, through circular air filter plate intercommunication between honeycomb hole and the air inlet groove, the middle part fixed mounting of apron left surface has the linking rotation piece, the bottom at the montant surface is installed in the linking rotation piece rotation, rotate through the linking rotation piece between apron and the montant and be connected.

According to a further technical scheme, strip-shaped cooling fins which are distributed at equal intervals along the annular center axis of the motor are fixedly arranged at the top of the outer surface of the motor, and each group of the strip-shaped cooling fins are provided with cooling holes which are distributed at equal intervals.

The utility model has the advantages that:

1. according to the utility model, when the anti-fouling fan is put into use, larger floccules in air can be filtered by utilizing the honeycomb holes, and meanwhile, small indoor air floccules are filtered by utilizing the round air filter plate, so that the floccules are prevented from accumulating in a computer case and other machines, the floccules are prevented from winding and accumulating on internal power utilization parts and fan blades, the service life is effectively prolonged, in addition, by the elastic interference structure, when the round air filter plate needs to be replaced after a period of use, the air filter plate inside can be replaced by compressing the interference spring and rotating the cover plate, the post maintenance is facilitated, and the practicability is higher.

2. According to the utility model, the strip-shaped radiating fins are matched with the radiating holes, so that when the motor continuously works for a long time, the motor body is cooled by the air flowing by the matching fan blades, the motor is prevented from working under high-temperature load, and the long-time continuous operation of the fan is ensured.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

Fig. 1: the overall structure of the utility model is schematically shown;

fig. 2: the split structure schematic diagram of the utility model;

fig. 3: the utility model is an enlarged schematic diagram of the structure at A in FIG. 2;

fig. 4: the enlarged schematic view of the structure of fig. 2 of the present utility model is shown at B.

In the figure: 1. an anti-fouling fan housing; 2. a mounting block; 3. an air outlet; 4. a motor; 5. a fan blade; 6. an air inlet groove; 7. the air filter assembly is convenient to replace; 8. a strip-shaped heat sink; 9. a heat radiation hole; 71. an annular block; 72. an expansion slot; 73. a circular air filter plate; 74. a connecting block; 75. a vertical rod; 76. a limiting block; 77. a contact spring; 78. an annular abutting plate; 79. a cover plate; 80. a rotating block is connected; 81. honeycomb holes.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Please refer to fig. 1-4:

an anti-fouling fan comprises an anti-fouling fan shell 1; the middle part at both ends is all fixed mounting has a set of installation piece 2 around the antifouling fan housing 1 surface, and air outlet 3 has been seted up at the top of antifouling fan housing 1 left surface, and fixed mounting has motor 4 in the middle of the inside of antifouling fan housing 1, and fan blade 5 is installed in the lower surface rotation of motor 4, and air inlet groove 6 has been seted up at the middle part of antifouling fan housing 1 upper surface, and the outside of air inlet groove 6 is provided with convenient change formula air filter assembly 7.

Further, the convenient replacement type air filter assembly 7 comprises an annular block 71, the annular block 71 is fixedly arranged on the outer side of the upper surface of the anti-pollution fan housing 1, the annular block 71 is of a hollow structure, an expansion groove 72 is formed in the top of the inner wall of the annular block 71, a circular air filter plate 73 is arranged in the inner wall of the expansion groove 72 in a limiting mode, a connecting block 74 is fixedly arranged in the middle of the left surface of the annular block 71, a vertical rod 75 is fixedly arranged in the middle of the upper surface of the connecting block 74, a limiting block 76 is fixedly arranged at the top of the vertical rod 75, a supporting spring 77 is fixedly arranged on the outer side of the lower surface of the limiting block 76, an annular supporting plate 78 is slidably arranged in the middle of the outer surface of the vertical rod 75, the annular supporting plate 78 is of a hollow structure, the annular supporting plate 78 is elastically connected with the limiting block 76 through the supporting spring 77, a cover plate 79 is arranged on the upper surface of the annular block 71 in a limiting mode, a honeycomb hole 81 for simultaneously observing the upper surface and the lower surface of the cover plate 79 is formed in the middle of the upper surface, the honeycomb holes 81 are communicated with the air inlet groove 6 through the round air filter plate 73, the middle part of the left surface of the cover plate 79 is fixedly provided with a connecting rotating block 80, the connecting rotating block 80 is rotatably arranged at the bottom of the outer surface of the vertical rod 75, the cover plate 79 and the vertical rod 75 are rotatably connected through the connecting rotating block 80, when the anti-fouling fan is actually put into use, for example, the anti-fouling fan is arranged in a computer case, the honeycomb holes 81 are attached to the outer surface of the computer case and communicated with the outside, after the power is connected, the motor 4 drives the fan blades 5 to rotate to form negative pressure, the outside air enters from the honeycomb holes 81, then enters the air inlet groove 6 after being filtered by the round air filter plate 73 and is blown into the computer case through the air outlet 3, in the process, floccules and dust in the larger indoor air are blocked at the honeycomb holes 81, simultaneously less floccule is blocked on circular air filter plate 73, when accumulating a large amount of floccules on long-time use circular air filter plate 73, can upwards promote apron 79, the lower surface of apron 79 is provided with spacing fixture block, spacing snap ring card is at the inner wall top of annular piece 71, remove limit structure when upwards promoting, and compress conflict spring 77, rotate apron 79 afterwards, take out circular air filter plate 73 to the outside and change, rotate door apron 79 and resume the normal position afterwards, and under the effect of conflict spring 77, apron 79 laminating extrusion again on circular air filter plate 73, change fixedly accomplished, the convenient change formula air filter assembly 7 of setting, can utilize honeycomb 81 to filter great floccule in the air when this kind of anti-fouling fan put into use, simultaneously utilize circular air filter plate 73 to filter the floccule in the less room air, avoid floccule to pile up in computer machine case and other machine inside, avoid floccule to accumulate on inside electric spare part and flabellum, effectively increase life, can change the filter plate 77 when the time need to change conflict after a period of time use through the elasticity conflict structure that sets up, change the filter plate 79 can more practical maintenance after the time, the filter plate 79 can be more convenient for change.

Further, the top fixed mounting of motor 4 surface has the bar fin 8 that extend its central axis annular equidistance and distribute, has all offered the louvre 9 that the equidistance distributes on every group bar fin 8, and bar fin 8 that set up cooperates louvre 9, can be when motor 4 long-time continuous operation, and the air that cooperation flabellum 5 flows cools down motor 4 body, avoids motor 4 to work under high temperature load, ensures the long-time continuous operation of fan.

Working principle: when the fan is actually put into use, for example, the fan is installed inside a computer case, the honeycomb holes 81 of the fan are attached to the outer surface of the computer case and are communicated with the outside, after the fan is powered on, the motor 4 drives the fan blades 5 to rotate to form negative pressure, external air enters the air inlet groove 6 after being filtered by the circular air filter plate 73 and is blown into the computer case through the air outlet 3, in the process, floccules and dust in large indoor air are blocked at the honeycomb holes 81, small floccules are blocked on the circular air filter plate 73, when a large amount of floccules are accumulated on the circular air filter plate 73 for a long time, the cover plate 79 can be pushed upwards, a limit clamping block is arranged on the lower surface of the cover plate 79, the limit clamping ring is clamped at the top of the inner wall of the annular block 71, the limit structure is released while the limit structure is pushed upwards, the cover plate 79 is pressed against the spring 77 is compressed, the circular air filter plate 73 is taken out outwards and is replaced, the door cover plate 79 is rotated and is restored to the original position, and under the action of the contact spring 77, the cover plate 79 is pressed again on the circular air filter plate 73, and the filter plate is fixed, so that the floccules can not be replaced by a user, and the computer case can be replaced by the user, and the user can be prevented from entering the computer case.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. An anti-fouling fan comprises an anti-fouling fan housing (1); the method is characterized in that: the anti-fouling fan comprises an anti-fouling fan shell (1), wherein a group of mounting blocks (2) are fixedly mounted in the middle of the front end and the rear end of the outer surface of the anti-fouling fan shell (1), an air outlet (3) is formed in the top of the left surface of the anti-fouling fan shell (1), a motor (4) is fixedly mounted in the middle of the inner part of the anti-fouling fan shell (1), fan blades (5) are rotatably mounted on the lower surface of the motor (4), an air inlet groove (6) is formed in the middle of the upper surface of the anti-fouling fan shell (1), and a convenient replacement type air filtering component (7) is arranged on the outer side of the air inlet groove (6).

2. An anti-fouling fan as claimed in claim 1, wherein: the convenient replacement type air filter assembly (7) comprises an annular block (71), the annular block (71) is fixedly arranged on the outer side of the upper surface of the anti-pollution fan housing (1), the annular block (71) is of a hollow structure, an expansion groove (72) is formed in the top of the inner wall of the annular block (71), and a circular air filter plate (73) is arranged in the inner wall of the expansion groove (72) in a limiting mode.

3. An anti-fouling fan as claimed in claim 1, wherein: the convenient replacement type air filter assembly (7) comprises an annular block (71), the annular block (71) is fixedly arranged on the outer side of the upper surface of the anti-pollution fan housing (1), the annular block (71) is of a hollow structure, an expansion groove (72) is formed in the top of the inner wall of the annular block (71), and a circular air filter plate (73) is arranged in the inner wall of the expansion groove (72) in a limiting mode.

4. A stain resistant fan in accordance with claim 3, wherein: the utility model discloses a device for preventing and curing the annular block, including annular block (71), connecting block (74) are installed to the middle part fixed mounting of annular block (71) left surface, the middle part fixed mounting of connecting block (74) upper surface has vertical ascending montant (75), the top fixed mounting of montant (75) has stopper (76), the outside fixed mounting of stopper (76) lower surface has conflict spring (77), the middle part slidable mounting of montant (75) surface has annular conflict board (78), annular conflict board (78) are hollow structure, through conflict spring (77) elastic connection between annular conflict board (78) and the stopper (76).

5. An anti-fouling fan as claimed in claim 4, wherein: the upper surface of annular piece (71) is spacing installs apron (79), honeycomb hole (81) of its upper and lower surface of simultaneous observation are seted up at the middle part of apron (79) upper surface, through circular air filter plate (73) intercommunication between honeycomb hole (81) and air inlet groove (6), the middle part fixed mounting of apron (79) left surface has linking rotating block (80), linking rotating block (80) rotates the bottom of installing at montant (75) surface, connect through linking rotating block (80) rotation between apron (79) and montant (75).

6. An anti-fouling fan as claimed in claim 1, wherein: the top of the outer surface of the motor (4) is fixedly provided with strip-shaped radiating fins (8) which are distributed along the central axis in an annular equidistant manner, and each group of strip-shaped radiating fins (8) are provided with radiating holes (9) which are distributed in an equidistant manner.