fan

Abstract

The utility model provides a fan, including a base and a desktop component, the interior of the base is provided with a filter and a fan for generating an air flow, the fan includes: an impeller, a motor cover, a motor, an annular connecting bracket and a shock-absorbing positioning rubber sleeve, the motor is provided with a vertical rotating shaft and a plurality of external bosses distributed circumferentially, the external bosses are sleeved with the shock-absorbing positioning rubber sleeve and suspended on the inner shoulder of the motor cover, the outer periphery of the shock-absorbing positioning rubber sleeve is provided with a plurality of elastic shock-absorbing ribs, and the elastic shock-absorbing ribs are elastically supported on the inner wall of the motor cover; and the lower end of the desktop component is connected to the center of the top surface of the base, the desktop component covers the annular air outlet, and the lower part of the desktop component is provided with an annular guide slope for guiding the airflow emitted from the annular air outlet to the horizontal circumferential direction. The utility model can have the use functions of an air purifier, a fan and a desktop within a limited overall volume, and greatly reduce the vibration and operating noise of the fan, expanding the use scenarios of bladeless fans.

Description

Technical Field

[0001] The utility model relates to the field of refrigeration equipment, in particular to a fan. Background Art

[0002] At present, bladeless fans with air purification function have been increasingly used, but bladeless fans with more functions (air purification + fan) will inevitably lead to a larger overall volume, so that a floor-standing whole machine structure is usually adopted.

[0003] However, neither air purifiers nor fans are commonly used appliances every day. When not in use, the large volume of multifunctional bladeless fans (large floor-standing complete machine, the floor area of ​​the complete machine is close to 0.4 square meters) will take up extra indoor space, which is a great loss for the effective internal space of the room. Especially for users of small apartments, they will not choose multifunctional bladeless fans that occupy too much space and are difficult to store, which also restricts the promotion of bladeless fans with air purification functions, making it difficult for small-sized users to enjoy the convenience of multifunctional bladeless fans, and compressing the use scenarios of bladeless fans.

[0004] Therefore, the utility model provides a fan. Utility Model Content

[0005] In response to the problems in the prior art, the purpose of the present utility model is to provide a fan that overcomes the difficulties of the prior art and can have the functions of an air purifier, a fan and a desktop within a limited overall volume, and can greatly reduce the vibration and operating noise of the fan, thereby expanding the use scenarios of bladeless fans.

[0006] An embodiment of the utility model provides a fan, comprising:

[0007] A base, wherein a filter and a fan for generating an air flow are arranged inside the base, a partial outer shell of the base is provided with a plurality of air inlets, the filter is arranged upstream of the fan, a top surface of the base is provided with an annular air outlet, the fan comprises: an impeller, a motor cover, a motor, an annular connecting bracket and a shock-absorbing positioning rubber sleeve, the outer periphery of the annular connecting bracket is connected to the inner wall of the base, the motor cover is connected to the lower end of the annular connecting bracket, the motor is provided with a vertical rotating shaft and a plurality of circumferentially distributed external bosses, the vertical rotating shaft passes through the motor cover to drive the impeller, the external boss is sleeved with the shock-absorbing positioning rubber sleeve and is suspended on the inner shoulder of the motor cover, the outer periphery of the shock-absorbing positioning rubber sleeve is provided with a plurality of elastic shock-absorbing ribs, and the elastic shock-absorbing ribs are elastically supported on the inner wall of the motor cover; and

[0008] A desktop component, the lower end of which is connected to the center of the top surface of the base, the desktop component covers the annular air outlet, and the lower part of the desktop component is provided with an annular guide slope for guiding the airflow emitted from the annular air outlet in a horizontal circumferential direction.

[0009] Preferably, the shock-absorbing positioning rubber sleeve is hollow to form an inner concave sleeve hole for the outer boss to be inserted, the lower surface of the bottom of the inner concave sleeve hole protrudes outwardly a plurality of bottom radial ribs, the upper surface of the top surface of the inner concave sleeve hole protrudes outwardly a plurality of top radial ribs, and the side of the inner concave sleeve hole away from the outer boss protrudes outwardly a plurality of peripheral vertical ribs.

[0010] Preferably, the fan further comprises: an impeller cover, covering the impeller from below.

[0011] Preferably, the fan further comprises: an air guide cover connected to the upper end of the annular connecting bracket.

[0012] Preferably, the shape of the desktop component is an inverted cone, the bottom surface of the inverted cone is connected to the center of the top of the base, the annular air outlet surrounds the bottom surface of the inverted cone, and the cone surface of the inverted cone is an annular concave arc surface, forming the annular guide slope, which guides the airflow emitted in the vertical direction through the annular air outlet to diffuse in all directions along the horizontal direction away from the central axis of the base.

[0013] Preferably, the annular guide slope and the annular air outlet are clamped together to define an annular air outlet passage.

[0014] Preferably, the lower edge of the annular concave arc surface is connected to the inner periphery of the annular air outlet, and the upper edge end is suspended and extends to the outer periphery of the outer periphery of the annular air outlet.

[0015] Preferably, the upper surface of the desktop component is a coffee table top for placing objects.

[0016] Preferably, the upper surface of the tabletop component is a tabletop of a dining table.

[0017] Preferably, a plurality of buttons are provided around the desktop component, and the buttons are electrically connected to the fan.

[0018] The fan of the utility model can have the functions of an air purifier, a fan and a desktop within a limited overall volume, and greatly reduces the vibration and operating noise of the fan, thereby expanding the use scenarios of the bladeless fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.

[0020] Figure 1 It is a cross-sectional view of the fan of the present invention.

[0021] Figure 2 It is a side view of the blower in the fan of the utility model.

[0022] Figure 3 It is a cross-sectional view based on the side view of the blower in the fan of the present invention.

[0023] Figure 4 It is a three-dimensional diagram of the blower in the fan of the present invention.

[0024] Figure 5 This is an exploded view of the blower in the fan of the present invention.

[0025] Figure 6 It is a stereoscopic view of the first viewing angle of the shock-absorbing and positioning rubber sleeve in the blower of the fan of the utility model.

[0026] Figure 7 It is a stereoscopic view of the first viewing angle of the shock-absorbing and positioning rubber sleeve in the blower of the fan of the utility model.

[0027] Reference numerals

[0028] 1 Base

[0029] 11 Air Inlet

[0030] 12 Filters

[0031] 13 Fan

[0032] 131 Impeller guard

[0033] 132 Impeller

[0034] 133 Motor cover

[0035] 134 Motor

[0036] 1341 External Boss

[0037] 135 shock absorbing positioning rubber sleeve

[0038] 1351 Bottom radial ribs

[0039] 1352 Top radial ribs

[0040] 1353 Peripheral vertical ribs

[0041] 1354 Concave sleeve hole

[0042] 136 Ring connecting bracket

[0043] 137 Air guide cover

[0044] 14 Ring air outlet

[0045] 2 Desktop widgets

[0046] 20 Circular air outlet

[0047] 21 Upper surface

[0048] 22 Annular diversion slope

[0049] 23 keys DETAILED DESCRIPTION

[0050] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein. Instead, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their repeated description will be omitted.

[0051] Figure 1 It is a cross-sectional view of the fan of the present invention. Figure 2 It is a side view of the blower in the fan of the utility model. Figure 3 It is a cross-sectional view based on the side view of the blower in the fan of the present invention. Figure 4 It is a three-dimensional diagram of the blower in the fan of the present invention. Figure 5 This is an exploded view of the blower in the fan of the present invention. Figure 6 It is a stereoscopic view of the first viewing angle of the shock-absorbing and positioning rubber sleeve in the blower of the fan of the utility model. Figure 7 This is a three-dimensional diagram of the first perspective of the shock-absorbing positioning rubber sleeve in the fan of the utility model. Figures 1 to 7As shown, the fan of the utility model comprises: a base 1 and a desktop component 2. A filter 12 and a fan 13 for generating air flow are provided inside the base 1, a partial outer shell of the base is provided with a plurality of air inlets 11, the filter 12 is arranged upstream of the fan 13, an annular air outlet 14 is provided on the top surface of the base 1, the fan 13 comprises: an impeller 132, a motor cover 133, a motor 134, an annular connecting bracket 136 and a shock-absorbing positioning rubber sleeve 135, the outer periphery of the annular connecting bracket 136 is connected to the inner wall of the base 1, the motor cover 133 is connected to the lower end of the annular connecting bracket 136, the motor 134 is provided with a vertical rotating shaft and a plurality of circumferentially distributed external bosses 1341, the vertical rotating shaft passes through the motor cover 133 to drive the impeller 132, the external boss 1341 is sleeved on the shock-absorbing positioning rubber sleeve 135 and is suspended on the inner shoulder of the motor cover 133, the outer periphery of the shock-absorbing positioning rubber sleeve 135 is provided with a plurality of elastic shock-absorbing ribs, and the elastic shock-absorbing ribs are elastically supported on the inner wall of the motor cover 133. The lower end of the desktop component 2 is connected to the center of the top surface of the base 1, and the desktop component 2 covers the annular air outlet 14, and the lower part of the desktop component 2 is provided with an annular guide slope 22 for guiding the airflow emitted from the annular air outlet 14 in the horizontal circumferential direction. The utility model integrates the air purifier and the fan into the space volume of a conventional coffee table (the appearance of the utility model can be a circular coffee table), realizes the combination of household appliances and furniture, and has the functions of an air purifier, a fan and a desktop within a limited overall volume, and flexibly switches between the functions of the air purifier and the fan, providing multiple functions without sacrificing the internal space of the house, and expanding the use scenarios of the bladeless fan.

[0052] In a preferred embodiment, the shock-absorbing positioning rubber sleeve 135 is hollow to form an inner concave sleeve hole 1354 for the outer boss 1341 to be inserted, the lower surface of the bottom of the inner concave sleeve hole 1354 protrudes outwardly with a plurality of bottom radial ribs 1351, the upper surface of the top surface of the inner concave sleeve hole 1354 protrudes outwardly with a plurality of top radial ribs 1352, and the side of the inner concave sleeve hole 1354 away from the outer boss 1341 protrudes outwardly with a plurality of peripheral vertical ribs 1353, but the invention is not limited thereto. The bottom radial ribs 1351, the top radial ribs 1352 and the peripheral vertical ribs 1353 arranged on the outer surface of the shock-absorbing positioning rubber sleeve 135 of the utility model can form elastic supports with the inner wall of the motor cover 133 from all aspects, effectively preventing the vibration generated when the motor is working from being transmitted to the motor cover 133, thereby enhancing the stability of the motor operation and reducing the working noise.

[0053] In a preferred embodiment, the fan 13 further includes an impeller cover 131 that covers the impeller 132 from below, but the present invention is not limited thereto.

[0054] In a preferred embodiment, the fan 13 further includes: an air guide cover 137 connected to the upper end of the annular connecting bracket 136, but not limited thereto.

[0055] In a preferred embodiment, the desktop component 2 is shaped like an inverted cone, the bottom surface of the inverted cone is connected to the center of the top of the base 1, the annular air outlet 14 surrounds the bottom surface of the inverted cone, and the cone surface of the inverted cone is an annular concave arc surface, forming an annular guide slope 22, which guides the airflow emitted in the vertical direction through the annular air outlet 14 to diffuse in the surroundings along the horizontal direction away from the central axis of the base 1, but is not limited to this.

[0056] In a preferred embodiment, the annular guide slope 22 and the annular air outlet 14 are clamped together to define an annular air outlet duct 20 , but the present invention is not limited thereto.

[0057] In a preferred embodiment, the lower edge of the annular concave arc surface is connected to the inner periphery of the annular air outlet 14, and the upper edge is suspended and extends to the outer periphery of the outer periphery of the annular air outlet 14, but it is not limited thereto.

[0058] In a preferred embodiment, the upper surface 21 of the desktop component 2 is a coffee table top for placing objects, but the present invention is not limited thereto.

[0059] In a preferred embodiment, the upper surface 21 of the tabletop component 2 is a tabletop of a dining table, but is not limited thereto.

[0060] In a preferred embodiment, a plurality of buttons 23 are provided around the desktop component 2, and the buttons 23 are electrically connected to the fan 13, but the present invention is not limited thereto.

[0061] The specific implementation of the utility model includes:

[0062] Continue to refer Figures 1 to 7In the fan of the utility model, a partial housing of the base is provided with a plurality of air inlets 11, a filter 12 is arranged upstream of the fan 13, a ring-shaped air outlet 14 is arranged on the top surface of the base 1, and the fan 13 comprises: an impeller 132, an impeller cover 131, a motor cover 133, a motor 134, an air guide cover 137, an annular connecting bracket 136 and a shock-absorbing positioning rubber sleeve 135, the outer periphery of the annular connecting bracket 136 is connected to the inner wall of the base 1, and the impeller cover 131 covers the impeller 132 from below. The air guide cover 137 is connected to the upper end of the annular connecting bracket 136. The motor cover 133 is connected to the lower end of the annular connecting bracket 136. The motor 134 is provided with a vertical rotating shaft and a plurality of outer bosses 1341 distributed in the circumferential direction. The vertical rotating shaft passes through the motor cover 133 to drive the impeller 132. The outer boss 1341 is sleeved with the shock-absorbing positioning rubber sleeve 135 and is suspended on the inner shoulder of the motor cover 133. The outer periphery of the shock-absorbing positioning rubber sleeve 135 is provided with a plurality of elastic shock-absorbing ribs, which are elastically supported on the inner wall of the motor cover 133. The lower end of the desktop component 2 is connected to the center of the top surface of the base 1. The desktop component 2 covers the annular air outlet 14, and the lower part of the desktop component 2 is provided with an annular guide slope 22 for guiding the airflow emitted from the annular air outlet 14 to the horizontal circumferential direction. The shock-absorbing positioning rubber sleeve 135 is hollow to form an inner concave sleeve hole 1354 for the outer boss 1341 to be inserted. The lower surface of the bottom of the inner concave sleeve hole 1354 protrudes outwardly with a plurality of bottom radial ribs 1351, and the upper surface of the top surface of the inner concave sleeve hole 1354 protrudes outwardly with a plurality of top radial ribs 1352. The side of the inner concave sleeve hole 1354 away from the outer boss 1341 protrudes outwardly with a plurality of peripheral vertical ribs 1353, but the invention is not limited thereto. The desktop component 2 is in the shape of an inverted circular cone, the bottom surface of the inverted circular cone is connected to the center of the top of the base 1, and the annular air outlet 14 surrounds the bottom surface of the inverted circular cone. The cone surface of the inverted circular cone is an annular concave arc surface, forming an annular guide slope 22, which guides the airflow emitted in the vertical direction through the annular air outlet 14 to diffuse in the surroundings along the horizontal direction away from the central axis of the base 1. The annular guide slope 22 is clamped together with the annular air outlet 14 to define an annular air outlet duct 20. The lower edge of the annular concave arc surface is connected to the inner periphery of the annular air outlet 14, and the upper edge end is suspended and extends to the outer periphery of the outer periphery of the annular air outlet 14. Among them, the bottom radial ribs 1351, the top radial ribs 1352 and the peripheral vertical ribs 1353 arranged on the outer surface of the shock-absorbing positioning rubber sleeve 135 can form elastic support between the inner wall of the motor cover 133 from all aspects, effectively preventing the vibration generated when the motor is working from being transmitted to the motor cover 133, thereby enhancing the stability of the motor operation and reducing the working noise. When the utility model is not turned on, it can be used as a conventional coffee table, and objects or tea sets can be placed on the upper surface of the desktop component 2. Since the overall shape of the utility model can be a coffee table, there is no need to store the fan or air purifier when it is not in use, and there is no need to occupy additional indoor space for the multifunctional bladeless fan.

[0063] In summary, the purpose of the utility model is to provide a fan that can have the functions of an air purifier, a fan and a desktop within a limited overall volume, and greatly reduce the vibration and operating noise of the fan, thereby expanding the use scenarios of bladeless fans.

[0064] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A fan, characterized in that: include: A base (1), wherein a filter (12) and a fan (13) for generating an air flow are arranged inside the base (1), a partial outer shell of the base is provided with a plurality of air inlets (11), the filter (12) is arranged upstream of the fan (13), an annular air outlet (14) is arranged on the top surface of the base (1), and the fan (13) comprises: an impeller (132), a motor cover (133), a motor (134), an annular connecting bracket (136) and a shock-absorbing positioning rubber sleeve (135), the outer periphery of the annular connecting bracket (136) is connected to the base (1) The motor cover (133) is connected to the lower end of the annular connecting bracket (136), the motor (134) is provided with a vertical rotating shaft and a plurality of circumferentially distributed external bosses (1341), the vertical rotating shaft passes through the motor cover (133) to drive the impeller (132), the external boss (1341) is sleeved with the shock-absorbing positioning rubber sleeve (135) and is suspended on the inner shoulder of the motor cover (133), the outer periphery of the shock-absorbing positioning rubber sleeve (135) is provided with a plurality of elastic shock-absorbing ribs, and the elastic shock-absorbing ribs are elastically supported on the inner wall of the motor cover (133); as well as A desktop component (2), the lower end of which is connected to the center of the top surface of the base (1), the desktop component (2) covers the annular air outlet (14), and the lower part of the desktop component (2) is provided with an annular guide slope (22) for guiding the airflow emitted from the annular air outlet (14) in a horizontal circumferential direction.

2. The fan according to claim 1, characterized in that The shock-absorbing positioning rubber sleeve (135) is hollow to form an inner concave sleeve hole (1354) for the outer boss (1341) to be inserted, the lower surface of the bottom of the inner concave sleeve hole (1354) protrudes outwardly with a plurality of bottom radial ribs (1351), the upper surface of the top surface of the inner concave sleeve hole (1354) protrudes outwardly with a plurality of top radial ribs (1352), and the side of the inner concave sleeve hole (1354) facing away from the outer boss (1341) protrudes outwardly with a plurality of peripheral vertical ribs (1353).

3. The fan according to claim 1, characterized in that The fan (13) further comprises: an impeller cover (131) which covers the impeller (132) from below.

4. The fan according to claim 1, characterized in that: The fan (13) further comprises: an air guide cover (137) connected to the upper end of the annular connecting bracket (136).

5. The fan according to claim 1, characterized in that The desktop component (2) is in the shape of an inverted cone, the bottom surface of the inverted cone is connected to the center of the top of the base (1), the annular air outlet (14) surrounds the bottom surface of the inverted cone, and the cone surface of the inverted cone is an annular concave arc surface, forming the annular guide slope (22), which guides the airflow emitted in the vertical direction through the annular air outlet (14) to diffuse in the surroundings along the horizontal direction away from the central axis of the base (1).

6. The fan according to claim 5, characterized in that The annular guide slope (22) and the annular air outlet (14) are clamped together to define an annular air outlet passage (20).

7. The fan according to claim 5, characterized in that The lower edge of the annular concave arc surface is connected to the inner periphery of the annular air outlet (14), and the upper edge end is suspended and extends to the periphery of the outer periphery of the annular air outlet (14).

8. The fan according to claim 1, wherein: The upper surface (21) of the desktop component (2) is a coffee table top for placing objects.

9. The fan according to claim 1, characterized in that: The upper surface (21) of the tabletop component (2) is a tabletop of a dining table.

10. The fan according to claim 1, wherein: A plurality of buttons (23) are arranged around the desktop component (2), and the buttons (23) are electrically connected to the fan (13).

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