Vertical fan

Abstract

The utility model discloses a vertical fan which comprises a fan body, an air outlet and an air inlet, the air outlet and the air inlet are arranged on the fan body, a shielding mechanism used for synchronously opening or closing the air outlet and the air inlet is connected in the fan body, and the shielding mechanism comprises a front baffle, a rear baffle, a first toothed plate, a second toothed plate, a gear and a motor. The end of the first toothed plate is connected with the rear baffle, the end of the second toothed plate is connected with the front baffle, the gear is matched with the first toothed plate and the second toothed plate, the motor is used for driving the gear to rotate, and the front baffle and the rear baffle are movably connected into the fan body. The motor can drive the gear to rotate, so that the front baffle and the rear baffle synchronously get close to or away from each other, the front baffle can shield the air outlet conveniently, the rear baffle can shield the air inlet conveniently, external dust and impurities are effectively prevented from invading the fan body when the fan is not used, pollution to the interior is reduced, operation is easy and convenient, and flexibility is high.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a vertical fan. Background Art

[0002] A standing fan is a type of electric fan, also known as a fan or blower. It uses an electric motor to rotate blades, accelerating air circulation. They are primarily used for cooling and ventilation. They are widely used in homes, classrooms, offices, shops, hospitals, and hotels. Common household fans are essentially axial-flow fans, meaning the airflow is parallel to the fan's axis of rotation.

[0003] The air inlet and outlet of existing vertical fans are usually in an open state, allowing external dust and impurities to easily enter the interior, causing a lot of dust to adhere to the fan blades and motor surfaces, thereby shortening the service life of the fan. When the fan is used again, the exhausted air is relatively dirty, and inhalation by the human body may cause certain harm. Utility Model Content

[0004] The purpose of the utility model is to provide a vertical fan, which has the advantages of effectively preventing external dust and impurities from invading the fan body when not in use, reducing internal pollution, simple and convenient operation, and high flexibility, thereby solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a vertical fan, comprising a fan body and an air outlet and an air inlet arranged on the fan body, a shielding mechanism for synchronously opening or closing the air outlet and the air inlet connected to the fan body, the shielding mechanism comprising a front baffle, a rear baffle, a tooth plate 1, a tooth plate 2, a gear, and a motor, the end of the tooth plate 1 being connected to the rear baffle, the end of the tooth plate 2 being connected to the front baffle, the gear matching the tooth plate 1 and the tooth plate 2, the motor being used to drive the gear to rotate, and the front baffle and the rear baffle being movably connected to the fan body.

[0006] Preferably, the shielding mechanism further includes a rotating shaft and a fixed seat, the fixed seat is fixed in the fan body, the end of the motor is connected to the fixed seat, and the power output end of the motor is connected to the rotating shaft, and the end of the rotating shaft is connected to the gear.

[0007] Preferably, the gear is meshedly connected with the first tooth plate and the second tooth plate.

[0008] Preferably, a plurality of limiting frames are connected to the fan body, and the front baffle and the rear baffle are slidably connected to the limiting frames.

[0009] Preferably, the limiting frame is an L-shaped structure.

[0010] Preferably, the air inlet is connected to a dust filter, and the inner side of the rear baffle is connected to a brush, and the brush presses on the dust filter.

[0011] Preferably, the bottom of the fan body is connected to a base, and the base is disc-shaped.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is provided with a shielding mechanism, the motor can drive the gear to rotate, the gear is used in conjunction with the tooth plate one and the tooth plate two, so that the front baffle and the rear baffle are synchronously close to or away from each other, which makes it convenient for the front baffle to shield the air outlet and the rear baffle to shield the air inlet, effectively preventing external dust and impurities from invading the fan body when not in use, reducing internal pollution, simple and convenient operation, and high flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front perspective view of the present utility model;

[0014] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 It is a back perspective view of the present invention;

[0016] Figure 4 This is a schematic diagram of the connection structure between the shielding mechanism and the fan body of the utility model;

[0017] Figure 5 This is a schematic diagram of the dust filter structure of the present utility model;

[0018] Figure 6 for Figure 5 Enlarged view of point B in the middle.

[0019] In the figure: 1. Fan body; 2. Air outlet; 3. Front baffle; 4. Base; 5. Limit frame; 6. Dust filter; 7. Air inlet; 8. Rear baffle; 9. Gear; 10. Motor; 11. Fixed seat; 12. Tooth plate 1; 13. Tooth plate 2; 14. Rotating shaft; 15. Brush. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figures 1 to 6The utility model provides a vertical fan, comprising a fan body 1 and an air outlet 2 and an air inlet 7 provided on the fan body 1. The air outlet 2 and the air inlet 7 are arranged relative to each other to facilitate air circulation. A shielding mechanism for synchronously opening or closing the air outlet 2 and the air inlet 7 is connected to the fan body 1. The shielding mechanism comprises a front baffle 3, a rear baffle 8, a tooth plate 12, a tooth plate 2 13, a gear 9, and a motor 10. The end of the tooth plate 12 is connected to the rear baffle 8, and the end of the tooth plate 2 13 is connected to the front baffle 3. Both the front baffle 3 and the rear baffle 8 are arc-shaped plates. The gear 9 matches the tooth plate 12 and the tooth plate 2 13. The motor 10 is used to drive the gear 9 to rotate. The front baffle 3 and the rear baffle 8 are movably connected to the fan body 1.

[0022] During normal fan operation, the front baffle 3 is separated from the air outlet 2, and the rear baffle 8 is separated from the air inlet 7. That is, both the air outlet 2 and the air inlet 7 are open. External air enters through the air inlet 7, and the dust filter 6 filters impurities in the inhaled air. Clean air is then discharged from the air outlet 2, effectively cooling the surrounding environment.

[0023] When the fan is not in use, the motor 10 drives the gear 9 to rotate, and the gear 9 cooperates with the tooth plate 12 and the tooth plate 2 13 to make the tooth plate 12 and the tooth plate 2 13 move away from each other, that is, the front baffle 3 and the rear baffle 8 move away from each other, the front baffle 3 blocks the air outlet 2, and the rear baffle 8 blocks the air inlet 7, effectively preventing external dust and impurities from invading the fan body 1 when not in use, thereby reducing internal pollution.

[0024] The shielding mechanism also includes a rotating shaft 14 and a fixing base 11. The fixing base 11 is fixed in the fan body 1. The end of the motor 10 is connected to the fixing base 11, and the power output end of the motor 10 is connected to the rotating shaft 14. The end of the rotating shaft 14 is connected to the gear 9. The motor 10 can drive the rotating shaft 14 to rotate, thereby driving the gear 9 to rotate, facilitating the movement of the two gear plates.

[0025] Gear 9 is meshed with tooth plate 1 12 and tooth plate 2 13, which has high transmission efficiency, ensures a constant instantaneous transmission ratio, and effectively reduces energy loss.

[0026] A plurality of limit frames 5 are connected to the fan body 1, and the front baffle 3 and the rear baffle 8 are slidably connected to the limit frames 5. The limit frames 5 are L-shaped structures. The limit frames 5 play a good guiding role for the front baffle 3 and the rear baffle 8, making them move stably.

[0027] There are eight limiting frames 5 in total, four of which are on the air outlet 2 and distributed at the four corners of the air outlet 2 , and four of which are on the air inlet 7 and distributed at the four corners of the air inlet 7 .

[0028] The air inlet 7 is connected to a dust filter 6, which is bolted to the four retaining frames 5 on the air inlet 7 to enhance its stability. A brush 15 is attached to the inside of the rear baffle 8, pressing against the dust filter 6. When the fan is not in use, movement of the rear baffle 8 simultaneously moves the brush 15, conveniently cleaning dust from the dust filter 6. When the fan is in use, the rear baffle 8 moves back and away from the air inlet 7, also moving the brush 15 back and again cleaning dust from the dust filter 6. This replaces traditional manual operation, saving time and effort, and eliminating the need to disassemble the dust filter 6, making it highly practical.

[0029] The bottom of the fan body 1 is connected to a base 4 . The base 4 is disc-shaped and has a large bottom diameter, which provides good support for the fan body 1 and improves the stability of the fan body 1 .

[0030] Working Principle: When the fan is not in use, motor 10 drives shaft 14, synchronously rotating gear 9. Gear 9 cooperates with tooth plates 12 and 13, moving them apart. Tooth plate 12 pushes rear baffle 8 to move, which in turn pushes front baffle 3 to connect with air outlet 2 and rear baffle 8 to air inlet 7. This effectively prevents external dust and impurities from entering fan body 1, minimizing internal contamination. Operation is simple, convenient, and highly flexible. Simultaneously, the movement of rear baffle 8 drives brush 15 to remove dust from dust filter 6, eliminating the need for manual operation and saving time and effort. When the fan is used again, the motor 10 drives the gear 9 to rotate, the tooth plate 12 and the tooth plate 2 13 approach each other, and synchronously drive the front baffle 3 and the rear baffle 8 to approach each other, so that the air outlet 2 and the air inlet 7 are opened synchronously for easy use, and the return movement of the rear baffle 8 drives the brush 15 to move back, and the dust on the dust filter 6 is cleaned again, thereby improving the filtering effect of the dust filter 6, and having strong practicality.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical fan, comprising a fan body (1) and an air outlet (2) and an air inlet (7) arranged on the fan body (1), characterized in that: The fan body (1) is connected to a shielding mechanism for synchronously opening or closing the air outlet (2) and the air inlet (7), and the shielding mechanism includes a front baffle (3), a rear baffle (8), a tooth plate 1 (12), a tooth plate 2 (13), a gear (9), and a motor (10). The end of the tooth plate 1 (12) is connected to the rear baffle (8), and the end of the tooth plate 2 (13) is connected to the front baffle (3). The gear (9) matches the tooth plate 1 (12) and the tooth plate 2 (13). The motor (10) is used to drive the gear (9) to rotate. The front baffle (3) and the rear baffle (8) are movably connected to the fan body (1).

2. A vertical fan according to claim 1, characterized in that: The shielding mechanism further comprises a rotating shaft (14) and a fixing seat (11), wherein the fixing seat (11) is fixed in the fan body (1), an end of the motor (10) is connected to the fixing seat (11), and a power output end of the motor (10) is connected to the rotating shaft (14), and an end of the rotating shaft (14) is connected to the gear (9).

3. A vertical fan according to claim 2, characterized in that: The gear (9) is meshedly connected with tooth plate 1 (12) and tooth plate 2 (13).

4. A vertical fan according to claim 1, characterized in that: A plurality of limiting frames (5) are connected inside the fan body (1), and the front baffle (3) and the rear baffle (8) are slidably connected to the limiting frames (5).

5. A vertical fan according to claim 4, characterized in that: The limiting frame (5) is an L-shaped structure.

6. A vertical fan according to claim 1, characterized in that: The air inlet (7) is connected to a dust filter (6), and the inner side of the rear baffle (8) is connected to a brush (15), and the brush (15) is pressed against the dust filter (6).

7. A vertical fan according to claim 1, characterized in that: The bottom of the fan body (1) is connected to a base (4), and the base (4) is disc-shaped.

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