Cooling fan

Abstract

The utility model provides a cooling fan, comprising a base, a water tank and a fan body; the lower end of the water tank is supported on the base, the lower end of the water tank is connected with a driving assembly, the driving assembly is transmission-connected to the base, the driving assembly is used to drive the water tank to rotate back and forth horizontally relative to the base, and the lower end of the fan body is supported on the upper end of the water tank; at least three guide columns uniformly distributed in the circumferential direction are arranged at the lower end of the water tank, each guide column extends along the vertical direction, and arc holes corresponding to each guide column one by one vertically are arranged on the base, and the lower end of each guide column is vertically movably inserted into the corresponding arc hole; when the driving assembly drives the water tank to rotate back and forth horizontally relative to the base, each guide column slides back and forth in the corresponding arc hole; through the arrangement of the guide columns and the arc holes, the utility model can guide the rotation of the water tank relative to the base, thereby enabling the cooling fan to have the advantage of high stability when in use.

Description

Technical Field

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

[0002] The cooling fan currently on the market includes a base, a water tank and a fan body; the lower end of the water tank is supported on the base, and the lower end of the water tank is connected to a driving assembly, which is transmission-connected to the base, and the driving assembly is used to drive the water tank to rotate back and forth horizontally relative to the base, and the lower end of the fan body is supported on the upper end of the water tank; when the cooling fan is in use, the fan blades in the fan body can rotate and blow air, and the atomizing module in the fan body can absorb water in the water tank and atomize the water to produce water mist, which can eventually be mixed in the air and blown out by the fan blades; however, in the cooling fan structure currently on the market, when the driving assembly drives the water tank and the fan body to rotate back and forth relative to the base, the water stored in the water tank will shake with the rotation of the water tank, and the cooling fans currently on the market do not have a structure that can guide the rotation of the water tank relative to the base, which will make the cooling fan have the disadvantage of poor stability. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a cooling fan, which, through the arrangement of guide columns and arc-shaped holes, can guide the rotation of a water tank relative to a base, thereby enabling the cooling fan to have the advantage of high stability when in use.

[0004] The utility model provides a cooling fan, comprising a base, a water tank and a fan body; the lower end of the water tank is supported on the base, the lower end of the water tank is connected with a driving assembly, the driving assembly is in transmission connection with the base, the driving assembly is used to drive the water tank to rotate back and forth horizontally relative to the base, and the lower end of the fan body is supported on the upper end of the water tank; at least three guide columns uniformly distributed in the circumferential direction are arranged at the lower end of the water tank, each guide column extends along the vertical direction, arc holes corresponding to each guide column one by one vertically are arranged on the base, and the lower end of each guide column is vertically movably inserted into the corresponding arc hole; when the driving assembly drives the water tank to rotate back and forth horizontally relative to the base, each guide column slides back and forth in the corresponding arc hole.

[0005] After adopting the above structure, the utility model can slide back and forth in the corresponding arc-shaped hole when the driving component drives the water tank to rotate horizontally back and forth relative to the base, that is, it can play a guiding role in the rotation of the water tank relative to the base, and because at least three guide columns are provided and are evenly distributed circumferentially, the guiding effect when the water tank rotates relative to the base can be further improved, thereby enabling the cooling fan to have the advantage of high stability when in use.

[0006] In one possible embodiment, the lower end of each guide column is threaded with a screw, and the screw abuts against the inner top of the base to prevent the guide column from vertically disengaging from the arc hole; by adopting this structure, under the action of the screw, when the water tank rotates back and forth relative to the base, it can prevent the guide column from vertically disengaging from the arc hole. In addition, when moving the cooling fan, it can also prevent the base from disengaging from the water tank.

[0007] In a possible embodiment, a plurality of circumferentially distributed reinforcing ribs are provided at the connection between the upper end of each guide column and the outer bottom of the water tank; by adopting this structure, the structural strength of the connection between the upper end of the guide column and the outer bottom of the water tank can be improved under the action of the reinforcing ribs, thereby effectively avoiding the connection between the guide column and the base from breaking.

[0008] In one possible embodiment, the driving assembly includes a motor and a rotating block; the motor is eccentrically fixed to the bottom of the water tank, one end of the rotating block is fixed to the output shaft of the motor, a movable pin is provided at the bottom of the other end of the rotating block, and a slide groove extending in the radial direction of the base is provided on the upper end surface of the base, the movable pin is vertically inserted into the slide groove and can slide back and forth along the extension direction of the slide groove; by adopting this driving assembly, when the motor drives the rotating block to rotate, the movable pin can slide back and forth along the slide groove, and at the same time, it can drive the water tank and the fan body to reciprocate relative to the base, that is, the driving assembly can reliably drive the water tank and the fan body to reciprocate relative to the base.

[0009] In a possible embodiment, an annular boss is provided on the outer bottom of the water tank, an annular groove is provided on the upper end surface of the base, the annular boss is vertically inserted into the annular groove, and the annular boss is rotatably connected to the annular groove; by adopting this structure, under the cooperation of the annular boss and the annular groove, the water tank can be reliably rotatably connected to the base, and the coaxiality of the water tank can be ensured when rotating relative to the base.

[0010] In a possible embodiment, a gasket is embedded on the inner bottom of the annular groove, and the lower end of the annular boss is supported on the gasket, and the gasket is used to reduce the friction between the annular boss and the annular groove; through the setting of the gasket, the gasket is used to reduce the friction between the annular boss and the annular groove, so that the water tank can reciprocate more smoothly relative to the base, and the gasket can be made of smooth plastic material, metal material or ceramic material.

[0011] In a possible embodiment, a floodlight is fixed on the inner wall of the fan body, with the light-emitting end of the floodlight facing the fan blades located inside the fan body, and the floodlight is used to intermittently project light onto the fan blades along the radial direction of the fan blades; through the setting of the translucent lamp, when the floodlight projects light onto the rotating fan blades, due to the effect of visual residual, the fan blades can emit light circumferentially, thereby improving the atmosphere when the cooling fan is used. In addition, the floodlight can change different light-emitting colors, so that the fan blades can emit light in different colors. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a first three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 This is a second three-dimensional structural schematic diagram of the utility model;

[0014] Figure 3 for Figure 2 The schematic diagram of the structure after the enlargement of A in the middle;

[0015] Figure 4 It is a three-dimensional cross-sectional structural schematic diagram of the utility model;

[0016] Figure 5 for Figure 4 The schematic diagram of the structure after enlargement at B in the middle;

[0017] Figure 6 for Figure 4 The schematic diagram of the structure after enlargement at C in the middle;

[0018] Figure 7 It is a schematic diagram of the exploded three-dimensional structure of the first part of the utility model;

[0019] Figure 8 This is a schematic diagram of the exploded three-dimensional structure of the second part of the utility model. DETAILED DESCRIPTION

[0020] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0021] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0022] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0023] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] See also Figure 1-8 As shown, an embodiment of the present application discloses a cooling fan, comprising a base 1, a water tank 2 and a fan body 3; the lower end of the water tank 2 is supported on the base 1, and the lower end of the water tank 2 is connected to a driving assembly 4, which is transmission-connected to the base 1, and the driving assembly 4 is used to drive the water tank 2 to rotate reciprocatingly horizontally relative to the base 1, and the lower end of the fan body 3 is supported on the upper end of the water tank 2; at least three guide columns 21 uniformly distributed circumferentially are provided at the lower end of the water tank 2, and each guide column 21 extends in a vertical direction, and arc holes 11 corresponding vertically to each guide column 21 are provided on the base 1, and the lower end of each guide column 21 is vertically movably inserted into the corresponding arc hole 11; when the driving assembly 4 drives the water tank 2 to rotate reciprocatingly horizontally relative to the base 1, each guide column 21 slides reciprocatingly in the corresponding arc hole 11.

[0025] The lower end of each guide column 21 is threadedly connected with a screw, and the screw abuts against the inner top of the base 1 to prevent the guide column 21 from vertically disengaging from the arc hole 11; by adopting this structure, under the action of the screw, when the water tank reciprocates relative to the base, it can prevent the guide column from vertically disengaging from the arc hole. In addition, when the cooling fan is moved, it can also prevent the base from being separated from the water tank.

[0026] A plurality of circumferentially distributed reinforcing ribs 22 are provided at the connection between the upper end of each guide column 21 and the outer bottom of the water tank 2. By adopting this structure, the structural strength of the connection between the upper end of the guide column and the outer bottom of the water tank can be improved under the action of the reinforcing ribs, thereby effectively avoiding the connection between the guide column and the base from being broken.

[0027] The driving assembly 4 includes a motor 41 and a rotating block 42; the motor 41 is fixed to the bottom of the water tank 2 in an eccentric state, one end of the rotating block 42 is fixed to the output shaft of the motor 41, and a movable pin 421 is provided at the bottom of the other end of the rotating block 42. A slide groove 12 extending along the radial direction of the base 1 is provided on the upper end surface of the base 1, and the movable pin 421 is vertically inserted into the slide groove 12 and can slide back and forth along the extension direction of the slide groove 12; by adopting this driving assembly, when the motor drives the rotating block to rotate, the movable pin can slide back and forth along the slide groove, and at the same time, it can drive the water tank and the fan body to reciprocate relative to the base, that is, the driving assembly can reliably drive the water tank and the fan body to reciprocate relative to the base.

[0028] An annular boss 23 is provided on the outer bottom of the water tank 2, and an annular groove 13 is provided on the upper end surface of the base 1. The annular boss 23 is vertically inserted into the annular groove 13, and the annular boss 23 is rotatably connected to the annular groove 13. By adopting this structure, under the cooperation of the annular boss and the annular groove, the water tank can be reliably rotatably connected to the base, and the coaxiality of the water tank can be ensured when rotating relative to the base.

[0029] A gasket 5 is embedded on the inner bottom of the annular groove 13, and the lower end of the annular boss 23 is supported on the gasket 5. The gasket 5 is used to reduce the friction between the annular boss 23 and the annular groove 13. Through the setting of the gasket, the gasket is used to reduce the friction between the annular boss and the annular groove, so that the water tank can reciprocate more smoothly relative to the base. The gasket can be made of smooth plastic material, metal material or ceramic material.

[0030] A floodlight 6 is fixed on the inner wall of the fan body 3, and the light-emitting end of the floodlight 6 is directed toward the fan blades 31 located inside the fan body 3. The floodlight 6 is used to intermittently project light onto the fan blades 31 along the radial direction of the fan blades 31; through the setting of the translucent lamp, when the floodlight projects light onto the rotating fan blades, due to the effect of visual residual, the fan blades can emit light circumferentially, thereby improving the atmosphere when the cooling fan is used. In addition, the floodlight can change different light-emitting colors, so that the fan blades can emit light in the form of different colors.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A cooling fan, comprising a base (1), a water tank (2) and a fan body (3); the lower end of the water tank (2) is supported on the base (1), the lower end of the water tank (2) is connected to a driving assembly (4), the driving assembly (4) is in transmission connection with the base (1), the driving assembly (4) is used to drive the water tank (2) to rotate horizontally back and forth relative to the base (1), and the lower end of the fan body (3) is supported on the upper end of the water tank (2); characterized in that: The lower end of the water tank (2) is provided with at least three guide pillars (21) evenly distributed in the circumferential direction, each of the guide pillars (21) extends in the vertical direction, and the base (1) is provided with arc holes (11) vertically corresponding to each of the guide pillars (21), and the lower end of each of the guide pillars (21) is vertically movably inserted into the corresponding arc hole (11); when the driving component (4) drives the water tank (2) to rotate horizontally back and forth relative to the base (1), each of the guide pillars (21) slides back and forth in the corresponding arc hole (11).

2. The cooling fan according to claim 1, characterized in that: The lower end of each guide column (21) is threadedly connected with a screw, and the screw abuts against the inner top of the base (1) to prevent the guide column (21) from vertically escaping from the arc-shaped hole (11).

3. The cooling fan according to claim 1, characterized in that: A plurality of reinforcing ribs (22) distributed in the circumferential direction are provided at the connection between the upper end of each guide column (21) and the outer bottom of the water tank (2).

4. The cooling fan according to any one of claims 1 to 3, characterized in that: The driving assembly (4) comprises a motor (41) and a rotating block (42); the motor (41) is fixed to the bottom of the water tank (2) in an eccentric state, one end of the rotating block (42) is fixed to the output shaft of the motor (41), and a movable pin (421) is provided at the bottom of the other end of the rotating block (42); a slide groove (12) extending in the radial direction of the base (1) is provided on the upper end surface of the base (1), and the movable pin (421) is vertically inserted into the slide groove (12) and can slide back and forth along the extension direction of the slide groove (12).

5. The cooling fan according to any one of claims 1 to 3, characterized in that: An annular boss (23) is provided on the outer bottom of the water tank (2), an annular groove (13) is provided on the upper end surface of the base (1), the annular boss (23) is vertically inserted into the annular groove (13), and the annular boss (23) is rotatably connected to the annular groove (13).

6. The cooling fan according to claim 5, characterized in that: A gasket (5) is embedded on the inner bottom of the annular groove (13), the lower end of the annular boss (23) is supported on the gasket (5), and the gasket (5) is used to reduce the friction between the annular boss (23) and the annular groove (13).

7. The cooling fan according to any one of claims 1 to 3, characterized in that: A floodlight (6) is fixed on the inner wall of the fan body (3), the light-emitting end of the floodlight (6) faces the fan blades (31) located inside the fan body (3), and the floodlight (6) is used to intermittently project light onto the fan blades (31) along the radial direction of the fan blades (31).

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