CN211739374U - Drainage device and cooling fan including the same - Google Patents

Abstract

The present application relates to the technical field of air conditioning devices, and in particular, to a drainage device for a cooling fan, and a cooling fan including the drainage device. The drainage device includes a drainage slot and a buffer member arranged in the drainage slot, one end of the drainage slot is used to rotate and connect to one side of the cooling fan wet curtain installation area, and the drainage slot has a first position and a second position during the rotation; In the first position, the drainage groove is vertically arranged on one side of the cooling fan wet curtain installation area, and in the second position, the free end of the drainage groove abuts on the opposite side of the cooling fan wet curtain installation area. The drainage device is installed in the cooling fan. When the wet curtain is taken out, the drainage groove rotates from the first position to the second position. The drainage groove can catch the water flow from the top water tank. It can avoid splashing caused by water falling into the drainage groove, and can well avoid potential safety hazards and noise pollution caused by users missing wet curtain installation.

Description

Drainage device and cooling fan including the same

technical field

The present application relates to the technical field of air conditioning devices, and in particular, to a drainage device for a cooling fan, and a cooling fan including the drainage device.

Background technique

As a new cooling method between fans and air conditioners, cooling fans have been favored by consumers more and more. At present, cooling fans generally humidify air through wet pads and then inhale and blow out through fans. The essential structure of the fan, the wet curtain plays the role of dispersing the water flow. For the cooling fan with the removable wet curtain, the water pumped by the water pump flows out from the lower water outlet on the top of the cooling fan, and the water column from the lower water outlet flows through the wet curtain, which can be Increase the contact area with the air and increase the amount of evaporation, so that the water column forms an invisible water mist that is blown out of the air outlet with the wind.

When the user removes the wet curtain and cleans the body and the wet curtain, they often forget to install the wet curtain and turn on the water pump to use the humidification function. Hidden electrical safety hazards; the water flowing down the water distribution hole will also impact the water receiving structure, causing splashing water and noise, posing potential electrical safety hazards and poor user experience.

Utility model content

In order to solve the above technical problems, the present application provides a drainage device for a cooling fan and a cooling fan including the drainage device, in order to prevent water droplets from being sucked into electrical equipment and reduce safety in the case of forgetting to install a wet curtain hidden danger.

In order to achieve the above object, according to an aspect of the technical solution, the technical solution provides a flow-inducing device for a cooling fan.

The drainage device according to the embodiment of the present application includes a drainage groove and a buffer arranged in the drainage groove. There are a first position and a second position during the rotation; in the first position, the drainage groove is vertically arranged on one side of the cooling fan wet curtain installation area, and in the second position, the drainage groove is The free end of the slot abuts on the opposite side of the cooling fan wet curtain installation area.

Further, the drainage device further includes a fixed seat and a rotating shaft disposed at one end of the drainage groove, and the rotating shaft is rotatably connected to the fixed seat.

Further, the fixing seat includes a main body and a shaft groove matching with the rotating shaft.

Further, the buffer member is filter cotton.

Further, the drainage device further includes an elastic member, and the elastic member constantly makes the drainage groove have a tendency to rotate from the first position to the second position.

In order to achieve the above purpose, according to the second aspect of the technical solution, the technical solution further provides a cooling fan.

A cooling fan according to an embodiment of the present application includes the flow guiding device provided in the first aspect of the present application.

Further, the cooling fan includes a rear casing, and the rear casing is recessed inward to form a wet curtain installation area for installing the wet curtain, and the water outlet of the cooling fan water tank is located directly above the wet curtain installation area. When the drainage groove is in the second position, the notch of the drainage groove is located directly below the water outlet.

Further, the distance between the end of the drainage groove for rotating connection and the top of the cooling fan wet curtain installation area is greater than the length of the drainage groove, and the length of the drainage groove is greater than the width of the cooling fan wet curtain installation area.

Further, in the case where the drainage device includes a fixing seat, the fixing seat is an independent part fixed on the rear shell of the cooling fan or the fixing seat is integrally formed with the rear shell of the cooling fan.

The drainage device provided by the above technical solution is installed in the cooling fan. When the wet curtain is taken out, the drainage groove is rotated from the first position to the second position, and the drainage groove can catch the water flow from the top water groove. The water flow is led out, and the buffer part can prevent the water flow from falling into the drainage groove and cause splashing, which can well avoid the hidden safety hazards and noise pollution caused by users missing the wet curtain.

Description of drawings

The accompanying drawings, which constitute a part of this application, are used to provide a further understanding of the application and make other features, objects and advantages of the application more apparent. The accompanying drawings and descriptions of the exemplary embodiments of the present application are used to explain the present application, and do not constitute an improper limitation of the present application. In the attached image:

FIG. 1 schematically shows a structural reference diagram of a drainage device provided by an embodiment of the present application;

FIG. 2 schematically shows a three-dimensional reference view of a cooling fan water tank structure provided by an embodiment of the present application;

FIG. 3 schematically shows a state reference diagram of the drainage device provided by the embodiment of the present application when it is in the first position (the wet curtain is not installed);

FIG. 4 schematically shows a state reference diagram of the drainage device provided in the embodiment of the present application when it is in the first position (installing the wet curtain);

FIG. 5 schematically shows a state reference diagram of the drainage device provided in the embodiment of the present application when it is in the second position;

FIG. 6 schematically shows a structural reference diagram of another drainage device provided by an embodiment of the present application.

In the picture:

1. Drainage groove; 2. Buffer; 3. Fixed seat; 301, Main body; 302, Shaft groove; 4, Rotating shaft; 5, Wet curtain; 6, Rear shell; 7, Water tank; 701, Water outlet; 8, Water tank 9. Top cover.

Detailed ways

In order to make those skilled in the art better understand the solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only The embodiments are part of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

It should be noted that the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and the above-mentioned drawings are intended to cover non-exclusive inclusion, for example, a system comprising a series of units , products or devices are not necessarily limited to those units expressly listed, but may include its units not expressly listed or inherent to such products or devices.

In the present application, the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "middle", "outer" and the like is based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily used to better describe the present application and its embodiments, and are not intended to limit the fact that the indicated device, element, or component must have a particular orientation, or be constructed and operated in a particular orientation.

In addition, some of the above-mentioned terms may be used to express other meanings besides orientation or positional relationship. For example, the term "on" may also be used to express a certain attachment or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present application can be understood according to specific situations.

Furthermore, the terms "arranged", "connected", "fixed" should be construed broadly. For example, "connection" may be a fixed connection, a detachable connection, or a unitary construction; it may be a mechanical connection, or an electrical connection; it may be a direct connection, or an indirect connection through an intermediary, or two devices, elements or Internal connectivity between components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict.

During the working process of the cooling fan, the water pumped by the water pump flows out from the lower water outlet of the water tank at the top of the cooling fan, and the water column flowing out of the lower water outlet flows through the wet curtain, which can increase the contact area with the air, increase the evaporation, and make the water column form the naked eye. Invisible water mist is blown from the air outlet with the wind. When the user removes the wet curtain and cleans the body and the wet curtain, it is easy to forget to install the wet curtain. At this time, the cooling fan is turned on to use the humidification function. In other structures, water splashing is caused, and the fan may suck the splashing water and cause damage, which is a potential safety hazard, and the water droplets directly flowing down on the water tank or other structures below will cause a certain amount of noise, which will seriously affect the quality and safety of the cooling fan. user experience. In order to solve this problem, an embodiment of the present application provides a drainage device as shown in the figure, and the drainage device is used to be installed on a cooling fan having a detachable wet curtain structure, such as an evaporative cooling fan. The drainage device shown in FIG. 1 includes a drainage slot 1 and a buffer 2 arranged in the drainage slot 1. One end of the drainage slot 1 is used to be rotatably connected to one side of the cooling fan wet curtain installation area. The drainage groove 1 has a first position and a second position during the rotation. As shown in Figures 3 and 4, in the first position, the drainage groove 1 is vertically arranged on one side of the cooling fan wet curtain installation area; as shown in Figure 5, in the second position, all the The free end of the drainage groove 1 abuts on the opposite side of the cooling fan wet curtain installation area. The drainage device is used to be installed in a cooling fan. When a wet curtain is installed in the cooling fan, the drainage groove 1 is limited by the space structure and is in the first position. Specifically, the drainage groove 1 will be limited to the wet curtain and the wet curtain. The free end of the drainage groove 1 between the side walls of the installation area will press against one side of the wet curtain and cannot rotate to the second position; when the wet curtain in the cooling fan is taken out, the wet curtain will limit the position of the drainage groove 1. disappear. At this time, the drainage slot 1 will rotate downward along its one end and gradually rotate to the second position under the action of its own gravity. Finally, the free end of the drainage slot 1 will stop moving after touching the other side of the wet curtain installation area, and the drainage will be drained. The groove 1 forms a certain angle with the bottom plane. At this time, the drainage groove 1 is located just below the water outlet, which can catch the water flow from the top water groove. security risks and improve user experience. When the wet curtain in the cooling fan needs to be installed, the drainage groove 1 can be rotated along one end to the first position, so that the drainage groove 1 avoids the installation space of the wet curtain, and then the wet curtain is installed. Falling on the wet curtain, the cooling fan can work normally. Among them, the buffer member 2 can avoid splashing caused by the water flow falling into the drainage groove, and further reducing the hidden danger and noise.

Preferably, the buffer member 2 is filter cotton. The filter cotton can not only play a buffering role, but also can filter and purify the water flow.

Wherein, as an optional embodiment, the shape of the groove body of the drainage groove 1 can be a U-shaped groove as shown in FIG. Set bumper 2. In addition, the drainage groove 1 is set in a long strip, on the one hand, it is necessary to realize the second position, on the other hand, as shown in FIG. There are a plurality of directional arrays, and the long strip can be adapted to the layout of the water outlet. The drainage groove 1 can receive and drain all the water flowing down from the water outlet 701 .

As an optional embodiment, as shown in FIG. 6 , the drainage device further includes a fixing base 3 and a rotating shaft 4 disposed at one end of the drainage groove 1 , and the rotating shaft 4 is rotatably connected to the fixing base 3 . Wherein, the fixing seat 3 includes a main body 301 and a shaft groove 302 matched with the rotating shaft 4 . Wherein, the principle of setting the axial direction of the rotating shaft 4 should ensure that the opening of the groove body of the drainage groove 1 can face the water outlet of the groove body at the top of the cooling fan when the drainage groove 1 is rotated to the second position.

In many cases, when the drainage device is used, when the wet curtain in the cooling fan is removed, the drainage slot 1 is often unable to rotate by itself due to the resistance of the rotating joint at the end of the drainage slot 1, so it can be set in the drainage device. An elastic member, the elastic member constantly makes the drainage groove 1 have a tendency to rotate from the first position to the second position. That is, through the intervention of the elastic restoring force of the elastic member, the drainage groove 1 is rotated from the first position to the second position. The specific form of the elastic member is not specifically limited. For example, the elastic member can be a coil spring provided on the side wall of the cooling fan wet curtain installation area. When the drainage groove 1 is in the first position, the drainage groove 1 will compress the coil spring; The component can also be a torsion spring provided at the rotating shaft 4. When the drainage groove 1 is in the first position, the torsion spring is compressed and screwed tightly.

A specific installation and use environment of the drainage device is shown in Figure 3-5, in which Figure 4 is a reference diagram of the state of the drainage device when the cooling fan is installed with a wet curtain, and Figure 5 is the state of the drainage device when the cooling fan is not installed with a wet curtain Reference image. Specifically, the length of the drainage groove 1 and its inclination angle when it is in the second position, the weight of the drainage groove 1 and the material of each structure are adjusted according to the specific use environment, so as to achieve the above functions. Personnel can set it by themselves.

It should be noted that other structures and operations of the drainage device of the present application are known to those of ordinary skill in the art, and can refer to the structures of related devices in the prior art, and will not be described in detail here.

The embodiments of the present application further provide a cooling fan, which includes the flow-guiding device provided by the above-mentioned embodiments of the present application. As shown in Figure 3-5, when the cooling fan is installed with the wet curtain 5, the drainage groove 1 is in the first position, and when the cooling fan is not installed with the wet curtain 5, the drainage groove 1 is in the first position Second position. The cooling fan includes a rear shell 6, the rear shell 6 is recessed inward to form a wet curtain installation area for installing the wet curtain 5, and the water outlet 701 of the cooling fan water tank 7 is located directly above the wet curtain installation area. When the drainage tank 1 is in the second position, the notch of the drainage tank 1 is located directly below the water outlet 701 , and a top cover 9 may be provided above the water tank 7 .

The bottom of the cooling fan is provided with a water tank 8, and the water flow from the lower water outlet 701 of the cooling fan water tank 7 needs to be collected and returned to the water tank, so the drainage tank 1 needs to directly or indirectly guide the water flow to the bottom of the water tank 8. Specifically, The water flow in the drainage groove 1 can flow to the casing of the cooling fan at one end of the drainage groove, and be guided into the bottom water tank 8 through the casing.

The distance between the end of the drainage groove 1 for rotating connection and the top of the cooling fan wet curtain installation area is greater than the length of the drainage groove 1, and the length of the drainage groove 1 is greater than the width of the cooling fan wet curtain installation area. The limitation of the structure size can make it easier for the drainage groove 1 to realize the mutual conversion between the first position and the second position in the installation area of the cooling fan wet curtain. In the case where the drainage device includes a fixing seat 3, the fixing seat 3 may be an independent part fixed on the rear shell 6 of the cooling fan, and the fixing seat 3 may also be integrally formed on the cooling fan. rear shell 6. The rear shell 6 can also be detachably provided with a rear cover for closing the installation area of the wet curtain, and the wet curtain is installed between the rear shell 6 and the rear cover.

Since the cooling fan disclosed in the embodiments of the present application includes the flow diversion device provided in the above-mentioned embodiments, the cooling fan with the flow diversion device also has all the above technical effects, which will not be repeated here. Other structures and operations of the cooling fan are known to those of ordinary skill in the art and will not be described in detail here.

Some embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other.

The above are only specific embodiments of the present invention, so that those skilled in the art can understand or realize the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (9)

1. A drainage device, which is used for a cooling fan, characterized in that the drainage device comprises a drainage groove (1) and a buffer (2) arranged in the drainage groove (1), and the drainage One end of the groove (1) is used to be rotatably connected to one side of the cooling fan wet curtain installation area, and the drainage groove (1) has a first position and a second position during the rotation; in the first position, all the The drainage groove (1) is vertically arranged on one side of the cooling fan wet curtain installation area, and in the second position, the free end of the drainage groove (1) abuts against the cooling fan wet curtain installation area and is opposite. on the other side. 2. The drainage device according to claim 1, characterized in that it further comprises a fixed seat (3) and a rotating shaft (4) arranged at one end of the drainage groove (1), the rotating shaft (4) being rotatably connected to the The said fixing seat (3). 3 . The drainage device according to claim 2 , wherein the fixing seat ( 3 ) comprises a body ( 301 ) and a shaft groove ( 302 ) matching with the rotating shaft ( 4 ). 4 . 4 . The drainage device according to claim 1 , wherein the buffer member ( 2 ) is a filter cotton. 5 . 5. The drainage device according to claim 1, characterized in that it further comprises an elastic member, the elastic member constantly makes the drainage groove (1) have a tendency to rotate from the first position to the second position . 6. A cooling fan, characterized in that it comprises the drainage device according to any one of claims 1-5, and when the cooling fan is installed with a wet curtain (5), the drainage groove (1) is in a first position , when the cooling fan is not installed with the wet curtain (5), the drainage groove (1) is in the second position. 7. The cooling fan according to claim 6, characterized in that it comprises a rear casing (6), the rear casing (6) is recessed inwardly to form a wet curtain installation area for installing the wet curtain (5), and the cooling fan The water outlet (701) of the water tank (7) is located directly above the wet curtain installation area, and when the drainage groove (1) is in the second position, the notch of the drainage groove (1) is located at the water outlet (701) directly below. 8. The cooling fan according to claim 6, characterized in that, the distance between one end of the drainage groove (1) for rotating connection and the top of the cooling fan wet curtain installation area is greater than the length of the drainage groove (1), The length of the drainage groove (1) is greater than the width of the cooling fan wet curtain installation area. 9. The cooling fan according to claim 6, characterized in that, in the case that the drainage device comprises a fixing seat (3), the fixing seat (3) is fixed on the rear casing (6) of the cooling fan ) or the fixing seat (3) is integrally formed with the rear casing (6) of the cooling fan.

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