Ventilation fan

Abstract

The utility model discloses a ventilation fan which comprises a base and a ventilation fan body, a water tank is fixedly installed on the top of the base, supporting rods are fixedly connected to the two sides of the top of the water tank, a cover shell is rotationally connected to the supporting rods through rotating shafts, and limiting rotary knobs used for limiting the rotating shafts are installed on the tops of the supporting rods in a threaded mode. A motor is fixedly installed in the housing and is in driving connection with the fan body, a water pump is fixedly installed in the water tank, and the output end of the water pump is connected with a hose. By the adoption of the structure, the water pump can drive water in the water tank to be conveyed into the annular pipe from the hose and sprayed out from the spraying nozzle, water mist can be communicated and blown into a workshop or a space through the ventilation fan body, the problem that an existing ventilation fan cannot conduct humidification and prevent static electricity is solved, the ventilation fan body is matched with humidification, and the ventilation effect is good. And besides ventilation and air flowing, the device has humidifying and static electricity removing effects on a space within a large range.

Description

Technical Field

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

[0002] A ventilation fan is generally composed of fan blades and a motor. It realizes ventilation in the room through air flow, and then achieves cooling and ventilation. It is an important ventilation and ventilation equipment in factory workshops or farms. Existing ventilation fans are generally installed in a fixed position and cannot be moved to a local position where ventilation is urgently needed for targeted ventilation. Therefore, patent application No. CN202222635846.5 discloses "a workshop ventilation fan", including a base, support plates are provided on both sides of the top of the base, a fixed cover is provided between the two support plates, a fan body is provided in the inner cavity of the fixed cover, support columns are fixedly connected to both sides of the fixed cover, one side of the support column is movably connected to one side of the support plate through a bearing, the right end of the right support column passes through the right side of the support plate and is fixedly connected to a rotating disk, and a connecting plate is fixedly connected between the two support plates and below the fixed cover. The base is provided to support the support plate, and the base has a certain mass, which can effectively improve the stability of the device during use and prevent the device from tipping over. The pulley is provided to facilitate the adjustment of the position of the fan body, and the fan direction can be changed by moving the position of the base, so that the fan body can be used as both an exhaust fan and a supply fan.

[0003] The above device can be used as both an exhaust fan and a supply fan, and the direction of the air supply can be adjusted as needed, but there is no humidification device. At present, if humidification and anti-static are desired in the workshop, an additional humidification device is required. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a ventilation fan to solve the problem of being unable to humidify and prevent static electricity.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ventilation fan comprises a base and a ventilation fan body, wherein a water tank is fixedly installed on the top of the base, support rods are fixedly connected to both sides of the top of the water tank, a cover shell is rotatably connected to the support rods via a rotating shaft, a limit knob for limiting the rotating shaft is threadedly installed on the top of the support rods, a motor is fixedly installed in the cover shell, the motor drive is connected to the fan body, a water pump is fixedly installed in the water tank, an output end of the water pump is connected to a hose, an end of the hose is connected to an annular tube, and the annular tube is fixedly installed in the cover shell, and a spray nozzle is arranged on the inner side of the annular tube.

[0007] Preferably, the support rod comprises a sleeve and a movable rod, the sleeve is fixedly mounted on both sides of the water tank, the movable rod moves in the sleeve, and a limiting bolt is threadedly mounted on the side surface of the sleeve.

[0008] Preferably, a transparent plate is provided on the front of the water tank, and a scale mark is provided on the transparent plate.

[0009] Preferably, wheels are installed on the bottom of the base.

[0010] To sum up, the beneficial effects of the utility model are as follows: the ventilation fan provided by the utility model integrates components such as a water tank and a water pump on a base, thereby further increasing the overall stability of the device; the cover shell can be adjusted for pitch angle by means of a rotating shaft; the support rod comprises a sleeve and a movable rod, and the height of the ventilation fan body can be adjusted by raising and lowering the movable rod in the sleeve, and the air supply channel of the ventilation fan body can be adjusted more adaptively; the water pump can drive the water in the water tank to be transported from a hose to an annular tube and sprayed out from a spray nozzle; the ventilation fan body can be connected to blow the water mist into a workshop or space, thereby solving the problem that the existing ventilation fan cannot humidify and prevent static electricity; and the cooperation between the ventilation fan body and the humidifier, in addition to ventilation and air flow, has the effects of humidifying and removing static electricity for a larger space. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a basic structural schematic diagram of the utility model;

[0012] Figure 2 It is a cross-sectional view of the cover shell of the utility model.

[0013] Figure numerals: 1. base; 2. ventilation fan body; 3. water tank; 4. support rod; 41. sleeve; 42. movable rod; 43. limit bolt; 5. cover; 6. motor; 7. water pump; 8. hose; 9. annular tube; 10. spray nozzle; 11. limit knob; 12. transparent plate; 13. scale mark; 14. wheel. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0015] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0016] like Figure 1 - Figure 2 As shown, the utility model provides a ventilation fan, including a base 1 and a ventilation fan body 2, a water tank 3 is fixedly installed on the top of the base 1, support rods 4 are fixedly connected to both sides of the top of the water tank 3, a cover 5 is rotatably connected to the support rod 4 through a rotating shaft, a limit knob 11 for limiting the rotating shaft is threadedly installed on the top of the support rod 4, a motor 6 is fixedly installed in the cover 5, the motor 6 drives and connects to the fan body, a water pump 7 is fixedly installed in the water tank 3, the output end of the water pump 7 is connected to a hose 8, the end of the hose 8 is connected to an annular tube 9, and the annular tube 9 is fixedly installed in the cover 5, and a spray nozzle 10 is arranged on the inner side of the annular tube 9.

[0017] Adding water into the water tank 3 can further increase the stability of the base 1. The support rod 4 is used to support the ventilation fan body 2 of the cover shell 5. The cover shell 5 can adjust the pitch angle by using the rotating shaft. After the adjustment is completed, the rotating shaft can be fixed by rotating the limit knob 11. The motor 6 drives the ventilation fan body 2 to rotate, and the water pump 7 and the water tank 3 and other components are assembled at the bottom of the device. When the ventilation fan is blowing, the water pump 7 can drive the water in the water tank 3 to be transported from the hose 8 to the annular tube 9, and sprayed from the spray nozzle 10. The ventilation fan body 2 can be used to connect the water mist to blow into the workshop or space, which has the effect of humidifying and removing static electricity for a large area of ​​space.

[0018] The support rod 4 includes a sleeve 41 and a movable rod 42. The sleeve 41 is fixedly mounted on both sides of the water tank 3. The movable rod 42 is movable in the sleeve 41. The side of the sleeve 41 is threadedly mounted with a limit bolt 43. The support rod 4 is divided into the sleeve 41 and the movable rod 42. The height of the ventilation fan body 2 can be adjusted by lifting and lowering the movable rod 42 in the sleeve 41. After the adjustment is completed, the limit bolt 43 is rotated to fix it, which is more conducive to the adjustment of the air duct of the ventilation fan body 2.

[0019] A transparent plate 12 is provided on the front of the water tank 3, and a scale mark 13 is provided on the transparent plate 12. The transparent plate 12 is set to an acrylic material, and the transparent plate 12 and the scale mark 13 can facilitate observation of the water level.

[0020] The bottom of the base 1 is provided with wheels 14. The wheels 14 are provided so as to facilitate the movement of the ventilation fan body 2 and to facilitate the movement of the ventilation fan body 2 to a more suitable use position.

[0021] Working principle: When in use, add water into the water tank 3, the cover shell 5 can use the rotating shaft to adjust the pitch angle, and after the adjustment is completed, the rotating shaft can be fixed by rotating the limit knob 11. The support rod 4 is divided into a sleeve 41 and a movable rod 42. The height of the ventilation fan body 2 can be adjusted by raising and lowering the movable rod 42 in the sleeve 41. After the adjustment is completed, it is fixed by rotating the limit bolt 43. When working, the motor 6 drives the ventilation fan body 2 to rotate, and the water pump 7 can drive the water in the water tank 3 to be transported from the hose 8 to the annular tube 9, and sprayed from the spray nozzle 10. The ventilation fan body 2 can be used to connect the water mist and blow it into the workshop or space, which has the effect of humidifying and removing static electricity for a large area of ​​space.

[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A ventilation fan, comprising a base (1) and a ventilation fan body (2), characterized in that: A water tank (3) is fixedly mounted on the top of the base (1), and support rods (4) are fixedly connected to both sides of the top of the water tank (3). A cover shell (5) is rotatably connected to the support rod (4) via a rotating shaft. A limit knob (11) for limiting the rotating shaft is threadedly mounted on the top of the support rod (4). A motor (6) is fixedly mounted in the cover shell (5), and the motor (6) drives and connects to a fan body. A water pump (7) is fixedly mounted in the water tank (3), and an output end of the water pump (7) is connected to a hose (8). The end of the hose (8) is connected to an annular tube (9), and the annular tube (9) is fixedly mounted in the cover shell (5). A spray nozzle (10) is arranged on the inner side of the annular tube (9).

2. A ventilation fan according to claim 1, characterized in that: The support rod (4) comprises a sleeve (41) and a movable rod (42); the sleeve (41) is fixedly mounted on both sides of the water tank (3); the movable rod (42) moves within the sleeve (41); and a limit bolt (43) is threadedly mounted on the side surface of the sleeve (41).

3. A ventilation fan according to claim 1, characterized in that: A transparent plate (12) is provided on the front of the water tank (3), and a scale mark (13) is provided on the transparent plate (12).

4. A ventilation fan according to claim 1, characterized in that: Wheels (14) are installed at the bottom of the base (1).

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