Self-cleaning fan

Abstract

The utility model discloses a self-cleaning fan which comprises a fan mechanism. The fan mechanism is composed of a mounting cylinder and a fixing plate, a motor is mounted in the mounting cylinder through a support, a turbine is mounted at the front end of the motor, a filter screen is mounted at the front end of the mounting cylinder, the cleaning mechanism is mounted on the upper side of the filter screen, and one end of the cleaning mechanism is mounted at the front end of the turbine. Mounting frames are mounted on the two sides of the bottom end of the mounting cylinder, and damping mechanisms are mounted between the mounting frames and the fixing plate. When the fan mechanism is used, damping is conducted through the damping mechanism, the phenomenon that internal parts are loosened due to the fact that vibration of the fan mechanism is large is avoided, the fan drives the turbine to rotate reversely after being used for a long time, and therefore the cleaning mechanism is driven to clean the filter screen, a large amount of dust is prevented from being attached to the filter screen, and the service life of the fan mechanism is prolonged. And the filter screen is blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fan technical field, concretely is a kind of self-cleaning fan. BACKGROUND

[0002] Fan is relied on the input mechanical energy, improves gas pressure and sends gas, it is a kind of driven fluid machinery.

[0003] Chinese patent number CN201720430158.1 discloses a fan, including installation shell and the motor being arranged in the installation shell, the motor is installed on the impeller, the installation shell is installed on the air guide ring, the installation shell includes mounting plate, the air guide ring is installed on mounting plate, the mounting plate is fixed with positioning plate, the positioning plate is opened with positioning ring, the air guide ring is placed in positioning ring. Prior art in the process of using, after long time use, a large amount of dust will appear the phenomenon of attachment in front filter screen, and easily influence the flow rate of air, and the shock-absorbing performance of fan is poor in use, influence the service life of fan. SUMMARY

[0004] The utility model aims at providing a kind of self-cleaning fan, to solve the problem presented in prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of self-cleaning fan, including fan mechanism;The fan mechanism is composed of installation cylinder and fixed plate, the inside of installation cylinder is installed with motor by support, the front end position of the motor is installed with turbine, the front end position of installation cylinder is installed with filter screen, the upper side of filter screen is installed with cleaning mechanism, the front end position of turbine is installed in cleaning mechanism one end, the bottom end both sides of installation cylinder are installed with mounting bracket, shock-absorbing mechanism is installed between mounting bracket and fixed plate.

[0006] Preferably, the outside of the installation cylinder is provided with a corrosion-resistant layer, the corrosion-resistant layer is provided as a corrosion-resistant paint layer, the inside of the installation cylinder is provided with a soundproof board, and the soundproof board is pasted in the inside position of the installation cylinder by adhesive.

[0007] Preferably, the cleaning mechanism is composed of a cleaning brush, a shaft rod and a one-way bearing, the shaft rod is rotatably installed at the middle position of the filter screen, the one-way bearing is installed at one side position of the shaft rod, the turbine shaft is installed inside the one-way bearing at one end, and the cleaning brush is installed at the front end position of the shaft rod.

[0008] Preferably, the shock-absorbing mechanism is composed of a guide rod and a shock-absorbing spring, the guide rod is installed at the bottom end position of the mounting bracket at the upper end, the guide rod is slidably installed on the upper side of the fixed plate at the bottom end, and the guide rod is welded with a limiting plate at the bottom end.

[0009] Preferably, the upper end of the fixed plate is provided with a damping sleeve, the damping sleeve is slidingly installed outside the guide rod, the outer side of the damping spring is provided with a protective sleeve, and the upper end of the protective sleeve is installed at the bottom end of the mounting frame and the upper side of the fixed plate.

[0010] Preferably, the bottom end of the fixed plate is provided with a soft metal pad, and the soft metal pad is welded at the bottom end of the fixed plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. When the fan mechanism is in use, the damping mechanism is used for damping, so that the vibration of the fan mechanism is avoided, the internal parts are prevented from being loose, the fan drives the turbine to rotate reversely after long-time use, the cleaning mechanism is driven to clean the filter screen, and the phenomenon that the filter screen is blocked due to a large amount of dust attached to the filter screen is avoided.

[0013] 2. When the damping mechanism is in use, the damping spring is used for buffering the shaking of the mounting cylinder, in the buffering process, the guide rod is used for limiting the moving direction of the damping spring, and the limiting plate is used for limiting the activity range of the guide rod.

[0014] 3. The damping sleeve is used for increasing the friction between the guide rod and the fixed plate, the phenomenon that the damping spring shakes and the mounting cylinder shakes is avoided, the protective sleeve is used for protecting the damping spring, and the corrosion of the damping spring in use is reduced.

[0015] 4. When the cleaning mechanism is in use, the motor drives the turbine to rotate reversely, the eating one-way bearing is locked, the shaft rod is driven to rotate, the shaft rod drives the cleaning brush to rotate in the rotating process, and the cleaning brush cleans the outer surface of the filter screen in the rotating process. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the utility model, constitute part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0017] Figure 1 It is the structural schematic view of the utility model;

[0018] Figure 2 It is the side view structural schematic view of the utility model;

[0019] Figure 3 It is the internal structure schematic view of the mounting cylinder of the utility model;

[0020] Figure 4 It is the layered structure schematic view of the mounting cylinder of the utility model.

[0021] In the figure: 1, fan mechanism; 2, mounting cylinder; 3, cleaning brush; 4, filter screen; 5, mounting frame; 6, guide rod; 7, damping spring; 8, fixed plate; 9, soft metal pad; 10, damping mechanism; 11, damping sleeve; 12, limiting plate; 13, protective sleeve; 14, motor; 15, turbine; 16, one-way bearing; 17, shaft; 18, cleaning mechanism; 19, corrosion-resistant layer; 20, sound insulation board. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 In the embodiments of the utility model, a self-cleaning fan comprises a fan mechanism 1; the fan mechanism 1 is composed of a mounting cylinder 2 and a fixed plate 8; a motor 14 is mounted in the mounting cylinder 2 through a support; a turbine 15 is mounted at the front end of the motor 14; a filter screen 4 is mounted at the front end of the mounting cylinder 2; a cleaning mechanism 18 is mounted on the upper side of the filter screen 4; one end of the cleaning mechanism 18 is mounted at the front end of the turbine 15; mounting frames 5 are mounted at the bottom end of the mounting cylinder 2; a damping mechanism 10 is mounted between the mounting frames 5 and the fixed plate 8; a corrosion-resistant layer 19 is arranged on the outer side of the mounting cylinder 2; the corrosion-resistant layer 19 is a corrosion-resistant paint layer; a sound insulation board 20 is arranged on the inner side of the mounting cylinder 2; the sound insulation board 20 is pasted in the inner position of the mounting cylinder 2 by adhesive; the corrosion-resistant paint layer used by the corrosion-resistant layer 19 has strong corrosion resistance, which can reduce the corrosion of the outer surface of the mounting cylinder 2 during use; the arrangement of the sound insulation board 20 can isolate the noise generated during use of the motor 14.

[0024] The cleaning mechanism 18 is composed of a cleaning brush 3, a shaft 17 and a one-way bearing 16; the shaft 17 is rotatably mounted at the middle position of the filter screen 4; the one-way bearing 16 is mounted at the one side position of the shaft 17; one end of the turbine 15 is rotatably mounted in the one-way bearing 16; the cleaning brush 3 is mounted at the front end of the shaft 17; during use of the cleaning mechanism 18, the motor 14 drives the turbine 15 to rotate reversely, the one-way bearing 16 is locked, the shaft 17 is driven to rotate, the shaft 17 drives the cleaning brush 3 to rotate in the process of rotation, and the cleaning brush 3 cleans the outer surface of the filter screen 4 in the process of rotation.

[0025] The damping mechanism 10 is composed of the guide rod 6 and the damping spring 7, the upper end of the guide rod 6 is installed at the bottom end position of the mounting frame 5, the bottom end of the guide rod 6 is slidingly installed on the upper side of the fixed plate 8, the bottom end of the guide rod 6 is welded with the limiting plate 12, the damping mechanism 10 buffers the shaking of the mounting cylinder 2 through the damping spring 7 in use, the guide rod 6 limits the moving direction of the mounting cylinder 2 in the buffering process, and the limiting plate 12 is arranged for limiting the activity range of the guide rod 6; the damping sleeve 11 is installed at the upper end position of the fixed plate 8, the damping sleeve 11 is slidingly installed at the outer side position of the guide rod 6, the protective sleeve 13 is installed outside the damping spring 7, the upper end of the protective sleeve 13 is installed at the bottom end of the mounting frame 5 and the upper side of the fixed plate 8, the damping sleeve 11 is arranged for increasing the friction force between the guide rod 6 and the fixed plate 8, so that the damping spring 7 and the mounting cylinder 2 are prevented from shaking in use, the protective sleeve 13 is arranged for protecting the damping spring 7 and reducing corrosion of the damping spring 7 in use; the soft metal pad 9 is arranged at the bottom end of the fixed plate 8, the soft metal pad 9 is welded at the bottom end position of the fixed plate 8, the soft metal pad 9 is relatively soft, is deformed under pressure when the fixed plate 8 is installed, fills the gap between the fixed plate 8 and the mounting base, and the fixed plate 8 is more stable in installation.

[0026] The working principle and use process of the utility model are as follows: the fan mechanism 1 is fixed by bolts in use, the switch is turned on to start the motor 14, the motor 14 drives the turbine 15 to rotate, the airflow is driven to flow by the turbine 15, the fan mechanism 1 is damped by the damping mechanism 10 in use, the vibration of the fan mechanism 1 is avoided, the internal parts are prevented from being loose, the turbine 15 is driven to rotate reversely after long-time use, the cleaning mechanism 18 is driven to clean the filter screen 4, a large amount of dust is avoided from adhering to the filter screen 4, and the filter screen 4 is prevented from being blocked.

[0027] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A self-cleaning fan comprising a fan mechanism (1); characterized by: The fan mechanism (1) is composed of a mounting cylinder (2) and a fixed plate (8), the inside of the mounting cylinder (2) is provided with a motor (14) through a support, the front end of the motor (14) is provided with a turbine (15), the front end of the mounting cylinder (2) is provided with a filter screen (4), the upper side of the filter screen (4) is provided with a cleaning mechanism (18), one end of the cleaning mechanism (18) is installed at the front end of the turbine (15), the bottom of the mounting cylinder (2) is provided with a mounting frame (5) on both sides, the mounting frame (5) and the fixed plate (8) are provided with a damping mechanism (10).

2. A self-cleaning fan as claimed in claim 1, characterized in that: The outside of the mounting cylinder (2) is provided with a corrosion-resistant layer (19), the corrosion-resistant layer (19) is provided as a corrosion-resistant paint layer, the inside of the mounting cylinder (2) is provided with a soundproof board (20), the soundproof board (20) is pasted in the inside of the mounting cylinder (2) through an adhesive.

3. A self-cleaning fan as claimed in claim 1, wherein: The cleaning mechanism (18) is composed of a cleaning brush (3), a shaft rod (17) and a one-way bearing (16), the shaft rod (17) is rotatably installed at the middle position of the filter screen (4), the one-way bearing (16) is installed at one side of the shaft rod (17), one end of the turbine (15) is rotatably installed in the one-way bearing (16), and the cleaning brush (3) is installed at the front end of the shaft rod (17).

4. A self-cleaning fan as claimed in claim 1, characterized in that: The damping mechanism (10) is composed of a guide rod (6) and a damping spring (7), the upper end of the guide rod (6) is installed at the bottom of the mounting frame (5), the bottom of the guide rod (6) is slidably installed on the upper side of the fixed plate (8), and the bottom of the guide rod (6) is welded with a limiting plate (12).

5. A self-cleaning fan as claimed in claim 4, wherein: The upper end of the fixed plate (8) is provided with a damping sleeve (11), the damping sleeve (11) is slidably installed on the outside of the guide rod (6), the outside of the damping spring (7) is provided with a protective sleeve (13), and the upper end of the protective sleeve (13) is installed at the bottom of the mounting frame (5) and the upper side of the fixed plate (8).

6. A self-cleaning fan as claimed in claim 1, characterized in that: The bottom of the fixed plate (8) is provided with a soft metal pad (9), and the soft metal pad (9) is welded at the bottom of the fixed plate (8).

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