TWM639180U - Air circulation fan - Google Patents

Abstract

This invention is an air circulation fan, which at least includes a support seat, a fan and a rotating drive; The above-mentioned support seat is provided with a seat body and a support rod extending upward, and the bottom of the above-mentioned seat body is provided with a bottom surface; Extend the rotating shaft of the mounting part; the aforementioned fan is arranged on the rotating shaft, and the aforementioned fan has an air outlet; the aforementioned rotating drive member drives the rotating shaft to rotate, and the aforementioned rotating shaft drives the fan to rotate from left to right or from right to left, so that The air outlet changes continuously in a loop from slanted down to slanted up. The air outlet can be tilted downwards and upwards, so that the indoor air can be circulated up and down; this creation can also set a filter in the fan to achieve the effect of air filtration, achieve air purification and filtration, and become an air purification system. Functional air circulation fan.

Description

an air circulation fan

This creation belongs to the technical field of air circulation (loop) equipment, especially an innovative mechanism that can be used as an air circulation fan and an air purifier.

The common air circulation fans on the market generally have strong wind power, and the airflow blown out is relatively concentrated, forming an airflow column, which stirs the air through the airflow column, so that the air can circulate and circulate, and is generally used in large public and closed places. At present, air circulation fans are also widely used in air-conditioned rooms, which can circulate the indoor air and achieve indoor temperature balance. The current air circulation fans also generally have a swing function, which can fully agitate and circulate the indoor air.

For example, in the Chinese patent literature with the publication number CN217270953U, a motor swing structure of a floor-standing air circulation fan is disclosed. In this patent literature, it is specifically disclosed: the circulation fan head element, the swing tube, and the The element, the support pipe element, and the base element, the middle part of the swing pipe element is bent backward to form an upper swing connecting pipe and a lower swing connecting pipe, and a swing space is formed between the upper swing connecting pipe and the lower swing connecting pipe; the upper swing connecting pipe An up and down swing mechanism is arranged between the loop fan head element and a horizontal swing mechanism is arranged between the lower swing connecting pipe and the supporting pipe element. The technical solution of this patent is to drive the fan head at the same time through the swing mechanism The horizontal plane swings circularly; therefore, the air in the room can only circulate on the same horizontal layer side of the space. It is difficult to realize the continuous flow and circulation of the air in the whole room.

For another example, in the Chinese patent document whose publication number is CN212106331U, a three-dimensional circulation swing seat and an electric fan are disclosed. The technical scheme disclosed in this document is: the three-dimensional swing mechanism is installed on the inclined part, and the left and right swing mechanism is installed on the vertical part; When the object on the output shaft of the three-dimensional oscillating mechanism is a fan head, the three-dimensional oscillating mechanism drives the fan head to perform three-dimensional oscillating air supply, and at the same time, the left-right oscillating mechanism drives the fan head to perform left-right oscillating air supply. However, in this technical solution, the fan head supplies air from a horizontal direction, and gradually turns to vertically upward air supply. Although the fan can realize three-dimensional circulating air supply, it is difficult to circulate the air below the fan head. In an air-conditioned room, the temperature of the bottom floor is generally different from the temperature of the upper floor, so it is difficult to balance the indoor temperature. In addition, when an air purifier is used indoors, since the air purifier can only continuously circulate and purify the air around it, and it is difficult to circulate the air far away from the air purifier, even if the above-mentioned air circulation fan is used, it is difficult to let the bottom Side air circulation and purification.

For this reason, the author of this case specially studied the problems existing in the air circulation fan disclosed before, and created this case.

The purpose of this creation is to provide an air circulation fan to solve the problem that the air circulation fan in the prior art is difficult to circulate the bottom air, and the effect of air filtration can be achieved by setting a filter in the fan, becoming a fan with Air circulation fan with air purification function.

In order to achieve the above purpose, the air circulation fan of the present invention includes a support seat, a blower fan and a rotating drive member; the aforementioned support seat is provided with a seat body and an upwardly extending support rod, surface; the upper end of the aforementioned supporting rod is provided with a mounting part, the aforementioned rotating drive part is arranged on the mounting part, and the aforementioned rotating driving part includes a rotating shaft protruding from the mounting part; the aforementioned fan is arranged on the rotating shaft, and the aforementioned fan has an air outlet The above-mentioned rotary driving member drives the rotating shaft to rotate, and the above-mentioned rotating shaft drives the fan to rotate from left to right or from right to left, so that the air outlet changes continuously and cyclically from tilting down to tilting up.

Further, the aforementioned support rod has a vertical axis, the aforementioned rotating shaft has a rotating axis, and the axis of the aforementioned rotating shaft and the axis of the supporting rod form an included angle greater than 90° and less than 180°.

Further, the axis of the rotating shaft and the axis of the supporting rod form an included angle of 120°-150°; the normal direction of the air outlet is perpendicular to the rotating axis.

Further, the included angle between the axis of the rotating shaft and the axis of the support rod is 135°.

Further, the above-mentioned mounting part is provided with a mounting surface, and the mounting surface and the rotation axis are perpendicular to each other.

Further, the aforementioned mounting part includes a base, a rotating seat and an upper casing; the aforementioned base is arranged on the upper end of the support rod, the aforementioned base is provided with a supporting ring extending upward, the aforementioned rotating seat is connected to the upper end of the supporting ring, and the aforementioned upper casing is connected to The rotary seat, the aforementioned rotary driving part is arranged in the upper casing; the aforementioned air circulation fan also includes a swing driving part, which connects the upper casing and the base, and is used to drive the upper casing to reciprocate.

Further, the aforementioned rocking drive includes a motor, an eccentric connecting rod and a connecting piece; the aforementioned motor is fixedly arranged on the bottom of the upper casing or the rotating seat, and the aforementioned eccentric connecting rod has a first end and a second end that are not on the same axis, and the first One end is connected to the main shaft of the motor, the other end is rotatably connected to one end of the connecting piece, and the other end of the aforementioned connecting piece is rotatably connected to the base.

Further, the aforementioned mounting part also includes an outer cover, an installation cavity is arranged inside the aforementioned outer cover, and a limit ring is arranged on the top wall of the aforementioned outer cover; The connecting cavity is sleeved on the upper end of the support rod; the bottom of the cavity is fixedly installed on the aforementioned base, the aforementioned rotating seat is a bearing arranged in the limit ring, and the bottom of the aforementioned upper housing extends downwards with a connecting portion connected with the bearing. The motor is arranged in the connection part.

Further, the upper end of the aforementioned support rod is provided with a bent portion, and the aforementioned mounting part is disposed on the bent portion.

Further, the bending angle between the bending portion and the support rod is 120°-150°, and the rotation axis is perpendicular to the bending portion.

Further, the aforementioned fan includes an outer cylinder, a front mesh, a rear mesh, an installation ring, a motor and fan blades; the aforementioned outer barrel is a straight barrel structure that runs through front and back, and the bottom of the aforementioned outer barrel is provided with a mounting portion that is fixedly connected to the rotating shaft; the aforementioned outer barrel The inner wall of the cylinder is provided with a limiting part, the side wall of the aforementioned mounting ring abuts against the limiting part and is detachably connected with the limiting part, the center of the aforementioned mounting ring is provided with an organic casing, and the gap between the aforementioned casing and the mounting ring is A plurality of connecting bars are provided, the bottom of the casing is also provided with a support frame supported on the inner wall of the outer cylinder, the aforementioned motor is arranged in the casing, the aforementioned fan blades are connected to the main shaft of the motor, and the aforementioned front net and rear net are respectively covered outside front and rear ends of the barrel.

The air circulation fan of the invention has at least the following technical effects: the air circulation fan can be placed on the indoor ground or on a tabletop and other planes through the base body. Through the operation of the fan, the air outlet will blow out the airflow, thereby agitating the air flow in the room; and driven by the rotating drive, the rotating shaft drives the fan to rotate, so that the air outlet of the fan is tilted downward, gradually to the left or to the right Rotate upwards, so that the air outlet is tilted upwards, so as to continuously circulate, and achieve three-dimensional stirring of the air in the room. Since the air outlet is turned from inclined downward to upward, when it is inclined downward, it can blow towards the ground, so the air at the bottom can also flow, and when the airflow blows on the ground, the airflow is blocked by the ground and will Rapid diffusion increases the flow area, and when the air outlet gradually turns upwards, it can drive the air on the bottom layer to circulate with the air on the upper layer, increase the efficiency of indoor air flow, and make the indoor air more balanced. This creation can increase the effect and efficiency of air purification through the air purification function.

This creation can also be used as an air circulation fan with air purification function, which includes an air circulation fan and a filter screen; the fan of the air circulation fan has an air duct, and the filter screen is arranged in the air duct to filter the inside of the air duct circulating air.

Further, the fan includes an outer cylinder, a front net, a rear net, an installation ring, a motor and fan blades; the aforementioned outer cylinder is a straight cylindrical structure that runs through front and back, and the bottom of the aforementioned outer cylinder is provided with a mounting portion that is fixedly connected to the rotating shaft; the aforementioned outer cylinder The inner wall of the aforesaid installation ring is provided with a limiting part, the side wall of the aforementioned mounting ring abuts on the limiting part and is detachably connected with the limiting part, the center of the aforementioned mounting ring is provided with an organic casing, and the aforementioned casing and the mounting ring are provided with a There are a plurality of connecting bars, the bottom of the aforementioned casing is also provided with a support frame supported on the inner wall of the outer cylinder, the aforementioned motor is arranged in the casing, and the aforementioned fan blade is connected to the main shaft of the motor; the aforementioned filter screen has an outer ring, and the mounting ring has The inner ring extending toward the rear end of the outer cylinder, the outer ring of the aforementioned filter screen is tightly attached to the inner ring of the installation ring, and the filter screen is abutted against one side of the connecting bar; the aforementioned front net and rear net are respectively covered on the outer tube The front end and the rear end of the aforementioned rear net are also provided with a limiting surface abutting against the filter net.

The aforementioned air circulation fan with air purification function has at least the following technical effects: when passing through the air outlet of the fan, it turns from inclined downwards to upwards in a continuous cycle, so the air entering the fan will form an air flow, and the air blown out by the fan will The air flow reaches the continuous circulation of the air in the combustion chamber, and the air entering the fan is filtered through the filter to achieve the effect of air purification, and can quickly purify the overall air in the room and improve the purification efficiency.

100: support seat

101: seat body

102: support rod

103: Bending part

A: axis

110: Mounting parts

111: Mounting surface

112: Base

113: swivel seat

114: upper shell

115: support ring

116: outer cover

117: installation cavity

118: limit ring

119: connection cavity

200: fan

201: air outlet

202: air duct

210: Outer cylinder

211: Installation Department

212: limit part

220: front net

230: back net

240: Mounting circle

241: Chassis

242: Connecting strip

243: support frame

250: motor

260: fan blade

300: rotary drive

301:Rotary axis

B: axis of rotation

400: Filter

500: swing drive

501: motor

502: Eccentric connecting rod

503: connector

Fig. 1 is a perspective view of the air circulation fan of the present invention.

Fig. 2 is the structural diagram of the air circulation fan of this creation.

Fig. 3 is a sectional view of the air purifier of the present invention.

Fig. 4 is a partial sectional view of the air circulation fan of the present invention.

Fig. 5 is the exploded view of the air circulation fan of this creation.

Fig. 6 is the sectional view of the fan of the air circulation fan of the present invention.

Fig. 7 is the explosion diagram of the blower fan of the air circulation fan of this creation.

Fig. 8 is a sectional view of the fan of the air purifier of the present invention.

Fig. 9 is the transformed view of the fan rotation of the air purifier of the present invention.

Fig. 10 is a structural diagram of another embodiment of the air purifier of the present invention.

Embodiments of the present invention are described in detail below, and examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the embodiments of the present invention, and should not be construed as limitations of the present invention.

In describing the various embodiments of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the embodiment of this invention and simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for the purpose of description, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity or order of the indicated technical features. Thus, features defined as "first" and "second" may expressly or implicitly include one or more this feature. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

In the embodiments of this creation, unless otherwise clearly specified and limited, the terms "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense, for example, it can be a fixed connection or a Detachable connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

One embodiment of the invention, referring to FIGS. 1 to 3 , the air circulation fan includes a support base 100 , a blower fan 200 and a rotating drive member 300 . The support seat 100 is provided with a seat body 101 and a support rod 102 extending upwards. The bottom of the seat body 101 is provided with a bottom surface, through which the seat body 101 can be supported on the ground or on a desktop. The upper end of the support rod 102 is provided with a mounting part 110 , and the rotation driving part 300 is disposed on the mounting part 110 . Wherein, the rotating driving member 300 includes a rotating shaft 301 protruding from the mounting member 110 . Wherein, the rotary driving member 300 may be a motor, or an electric speed reducer or the like. The fan 200 is arranged on the rotating shaft 301 , wherein the fan 200 has an air outlet 201 . The rotating drive member 300 drives the rotating shaft 301 to rotate, and the rotating shaft 301 drives the fan 200 to rotate from left to right or from right to left, so that the air outlet 201 is continuously cyclically changed from inclined downward to inclined upward, and the fan 200 Turn to gradually and can refer to accompanying drawing 9. Therefore, the air circulation fan of this embodiment can be placed on the ground indoors or on a plane such as a desktop through the base body 101 . Through the operation of the fan 200, the air outlet 201 will blow out the air flow, thereby stirring the air flow in the room; and driven by the rotating drive member 300, the rotating shaft 301 can drive the fan 200 to rotate as a whole, and make the air outlet 201 of the fan 200 From tilting downwards, gradually turning to the left or right upwards, during the turning process, the air outlet 201 gradually tilts upwards, so as to continuously circulate and achieve three-dimensional agitation of the air in the room. Since the air outlet 201 turns from inclined downward to upward, when it is inclined downward, it can blow towards the ground, so that the air at the bottom can also flow, and when the air flow blows on the ground, the air flow is blocked by the ground, will spread rapidly, increasing the flow of area, and when the air outlet gradually turns upwards, it can drive the air at the bottom layer to circulate with the air at the upper layer, increase the efficiency of indoor air flow, and make the indoor air more balanced. And when an air purifier is placed indoors, the efficiency of purification and the effect of air purification can be increased.

Further, referring to Fig. 7 and Fig. 8, the air circulation fan of this embodiment can also be applied to an air purifier to become an air circulation fan with air purification function to achieve the effect of air purification.

Specifically, the air circulation fan with air purification function includes the structure of the aforementioned air circulation fan, and also includes a filter 400 . The fan 200 of the aforementioned air circulation fan is provided with an air duct 202 , and the filter 400 is arranged in the air duct 202 , so the air passing through the air duct 202 can be filtered and purified by the filter 400 . Specifically, the air outlet 201 of the blower fan 200 is constantly cyclically turning from inclined downwards to inclined upwards, so the air entering the blower fan 200 will form an airflow, and the airflow blown out by the blower blower 200 will continuously circulate the air in the natural chamber. , and the air entering the fan 200 is filtered through the filter 400 to achieve the effect of air purification, and can quickly purify the overall air in the room to improve the purification efficiency.

Further, referring to FIG. 5 and FIG. 6 , the fan 200 includes an outer cylinder 210 , a front net 220 , a rear net 230 , a mounting ring 240 , a motor 250 and fan blades 260 . The above-mentioned outer cylinder 210 is a straight cylindrical structure that runs through front and rear, and the bottom of the outer cylinder 210 is provided with a mounting portion 211, which is fixedly connected with the rotating shaft 301, and the mounting portion 211 is arranged on the bottom of the outer cylinder 210, so that the fan 200 is driven by the rotating drive member 300 When rotating, the force on the rotating shaft 301 can be kept balanced, and the force on the rotating shaft 301 will not be changed as the fan 200 rotates. The inner wall of the outer cylinder 210 is provided with a limiting portion 212 , and the side wall of the mounting ring 240 abuts against the limiting portion 212 and is detachably connected with the limiting portion 212 , specifically by screw connection. An organic casing 241 is arranged at the center of the installation ring 240, and a plurality of connection bars 242 are arranged between the aforementioned casing 241 and the installation ring 240, and the casing 241 is supported by the connection bars 242, so that the casing 241 can be fixed on the installation ring 240 The center position, and the connecting strip 242 can also well avoid the airflow, so that the airflow can circulate normally. The bottom of aforementioned casing 241 is also provided with There is a support frame 243 supported on the inner wall of the outer cylinder 210. The support frame 243 increases the stability of the support of the casing 241. The aforementioned motor 250 is arranged in the casing 241. The aforementioned fan blade 260 is connected to the main shaft of the motor 250. The aforementioned front net 220 and The rear net 230 covers the front end and the rear end of the outer cylinder 210 respectively. The motor 250 makes an air flow in the outer cylinder 210 to realize air circulation. In addition, the detachable connection between the mounting ring 240 and the outer cylinder 210 facilitates the removal of the motor 250 and the like for cleaning.

Further, referring to Fig. 7 and Fig. 8, the filter screen 400 of the aforementioned air cleaner has an outer ring, the aforementioned installation ring 240 has an inner ring extending toward the rear end of the outer cylinder 210, and the outer ring of the aforementioned filter screen 400 is hermetically attached to the outer ring. Closed on the inner ring of the installation ring 240 , and the filter screen 400 abuts against one side of the connecting bar 242 . The front net 220 and the rear net 230 are respectively covered on the front end and the rear end of the outer tube 210 , and the inner side of the rear net 230 is also provided with a limiting surface 231 abutting against the filter net 400 . In this embodiment, the filter screen 400 can be easily disassembled, cleaned or replaced. Specifically, only the rear net 230 needs to be disassembled. In addition, the connecting strip 242 in the installation ring 240 can play a good role in supporting and limiting the filter screen 400 to avoid deformation and loosening of the filter screen 400 .

Further, with reference to FIGS. 1 to 3 , the aforementioned supporting rod 102 has a vertical axis A, the aforementioned rotating shaft 301 has a rotating axis B, and the rotating axis B of the aforementioned rotating shaft 301 and the axis of the supporting rod 102 have an angle greater than 90° and less than 180° included angle. Therefore, in this embodiment, the air outlet 201 of the fan 200 can be inclined downward or upward. Preferably, the axis of the rotating shaft and the axis of the support rod form an included angle of 120°-150°. The normal direction of the air outlet is perpendicular to the rotation axis, that is, the main shaft of the motor 250 in the fan 200 is perpendicular to the rotation axis B of the rotation shaft 301 . More preferably, the included angle between the rotation axis B of the aforementioned rotation shaft 301 and the axis of the support rod 102 is 135°. In this embodiment, the air outlet 201 can be tilted downward at 45° and upward at 45°, which can not only improve the overall aesthetic effect, but also enhance the effect of air circulation. More specifically, please refer to FIG. 9 , when the rotating drive member 300 drives the fan 200 to rotate, the air outlet 201 of the fan 200 can be gradually turned from tilting downward to horizontally facing the left or right, and then turning from the left or right to tilting. upward effect.

Further, referring to FIG. 4 , the mounting member 110 is provided with a mounting surface 111 , and the mounting surface 111 and the rotating shaft 301 are perpendicular to each other. In this embodiment, the rotating shaft 301 can be supported by the mounting surface 111 , and the force of the rotating shaft 301 and the mounting surface 111 is perpendicular to it, which can avoid the problem that the mounting surface 111 is deformed by the gravity of the fan 200 .

Further, referring to FIG. 4 , the aforementioned mounting member 110 includes a base 112 , a rotating seat 113 and an upper casing 114 . The aforementioned base 112 is arranged on the upper end of the support rod 102, the aforementioned base 112 is provided with a supporting ring 115 extending upward, the aforementioned rotating seat 113 is connected to the upper end of the supporting ring 115, the aforementioned upper housing 114 is connected to the rotating seat 113, and the aforementioned rotating drive member 300 is disposed within the upper housing 114 . The aforementioned air circulation fan further includes a swing driving member 500 , the aforementioned swing driving member 500 is connected to the upper casing 114 and the base 112 , and is used to drive the upper casing 114 to reciprocate. Therefore, in this embodiment, the upper casing 114 can be driven to swing left and right through the swing driving part 500, and then the fan 200 can be driven to swing left and right through the swing driving part 500 while the fan 200 is blowing air three-dimensionally, so as to increase the range of air supply and further increase The effect of air circulation.

Further, referring to FIG. 4 , the aforementioned swing driving member 500 includes a motor 501 , an eccentric link 502 and a connecting member 503 . The aforementioned motor is fixedly arranged at the bottom of the upper housing 114 or the rotating base 113, the aforementioned eccentric connecting rod 502 has a first end and a second end that are not on the same axis, the aforementioned first end is connected to the main shaft of the motor 501, and the other end is rotatably connected to the One end of the connecting piece 503 and the other end of the connecting piece 503 are rotatably connected with the base 112 . In this embodiment, the eccentric connecting rod 502 is driven to rotate by the motor 501, so the connecting part 503 is driven to eccentrically swing, and then the upper casing 114 can be pushed to rotate, and under the action of the eccentric connecting rod 502 and the connecting part 503, the upper The housing 114 has reciprocating yaw motion.

Further, referring to FIG. 4 , the aforementioned mounting member 110 further includes an outer cover 116 , an installation cavity 117 is disposed inside the aforementioned outer cover 116 , and a limiting ring 118 is disposed on the top wall of the aforementioned installation cavity 117 . The bottom of the outer cover 116 is provided with a connecting cavity 119 which is recessed into the installation cavity 117 , and an escape opening is provided at the upper end. The aforementioned connecting chamber 119 is sleeved on the upper end of the support rod 102; the aforementioned base 112 is fixed on the bottom of the mounting cavity 117, and the aforementioned rotating The swivel base 113 is a bearing disposed in the limit ring 118 , and a connecting portion 120 connected with the bearing extends downward from the bottom of the upper casing 114 , and the motor 501 is disposed in the connecting portion 120 .

Further, referring to FIG. 10 , the upper end of the support rod 102 is provided with a bent portion 103 , and the aforementioned mounting part 110 is disposed on the bent portion 103 . In this embodiment, the mounting part 110 is inclined through the bending part 103, so that the fan 200 can face downward and upward, and adopts a bending structure, which is simple in structure, low in cost, and more beautiful.

Further, referring to FIG. 10 , the bending angle between the bending portion 103 and the support rod 102 is 120°-150°, and the rotation axis 301 is perpendicular to the bending portion 103 . More preferably, the bending angle between the aforementioned bending portion 103 and the support rod 102 is 135°.

The above is only a preferred embodiment of this creation, and is not intended to limit this creation. Any modifications, equivalent replacements and improvements made within the spirit and principles of this creation should be included in the scope of protection of this creation. Inside.

100: support seat

101: seat body

102: support rod

110: Mounting parts

111: Mounting surface

112: base

113: swivel seat

114: upper shell

116: outer cover

117: installation cavity

118: limit ring

200: fan

201: air outlet

300: rotary drive

301:Rotary axis

500: swing drive

Claims (13)

An air circulation fan, comprising at least a support base, a blower fan and a rotating drive; the support base is provided with a base and an upwardly extending support rod, the bottom of the base is provided with a bottom surface; the upper end of the support rod is provided with a mounting piece, The aforementioned rotary driving member is arranged on the aforementioned mounting member, and the aforementioned rotating driving member includes a rotating shaft protruding from the aforementioned mounting member; the aforementioned fan is arranged on the aforementioned rotating shaft, and the aforementioned fan has an air outlet; the aforementioned rotating driving member drives the aforementioned rotating shaft Rotate, the above-mentioned rotating shaft drives the above-mentioned fan to rotate from left to right or from right to left, so that the above-mentioned air outlet is continuously cyclically changed from tilting down to tilting up. According to the air circulation fan described in item 1 of the scope of patent application, wherein the aforementioned supporting rod has a vertical axis, the aforementioned rotating shaft has a rotating axis, and the axis of the aforementioned rotating shaft and the axis of the aforementioned supporting rod have an angle greater than 90° and less than 180° included angle. According to the air circulation fan described in item 2 of the scope of the patent application, wherein the axis of the rotating shaft and the axis of the supporting rod form an included angle of 120°~150°; the normal direction of the air outlet is perpendicular to the rotating shaft. According to the air circulation fan described in item 3 of the scope of the patent application, the included angle between the axis of the rotating shaft and the axis of the support rod is 135°. According to the air circulation fan described in item 1 of the scope of the patent application, wherein the mounting part is provided with a mounting surface, and the mounting surface is perpendicular to the rotating shaft. According to the air circulation fan described in item 5 of the patent scope of the application, wherein the above-mentioned mounting part includes a base, a rotating seat and an upper casing; The swivel seat is connected to the upper end of the aforementioned support ring, and the aforementioned upper case is connected to Connected to the aforementioned rotating base, the aforementioned rotating driving member is arranged in the aforementioned upper casing; the aforementioned air circulation fan further includes a swing driving member, which connects the aforementioned upper casing and the aforementioned base, and is used to drive the aforementioned upper casing to reciprocate. According to the air circulation fan described in item 6 of the patent scope of the application, wherein the above-mentioned oscillating drive part includes a motor, an eccentric connecting rod and a connecting piece; The first end and the second end are not on the same axis, the first end is connected to the main shaft of the aforementioned motor, the other end is rotatably connected to one end of the aforementioned connector, and the other end of the aforementioned connector is rotatably connected to the base. According to the air circulation fan described in item 7 of the patent scope of the application, wherein the aforementioned installation part also includes an outer cover, an installation cavity is arranged inside the aforementioned outer cover, and a limit ring is arranged on the top wall of the aforementioned installation cavity; The connection cavity is sunken in the cavity, and the upper end is provided with an escape port; the aforementioned connection cavity is sleeved on the upper end of the aforementioned support rod; the aforementioned base is fixed at the bottom of the aforementioned installation cavity, and the aforementioned swivel seat is a bearing set in the aforementioned limiting ring, The bottom of the upper casing extends downwards with a connecting portion connected with the bearing, and the motor is arranged in the connecting portion. According to the air circulation fan described in item 1 of the scope of the patent application, the upper end of the support rod is provided with a bent portion, and the mounting part is arranged on the bent portion. According to the air circulation fan described in item 9 of the patent application, wherein the bending angle between the bending portion and the support rod is 120°~150°, and the rotation axis is perpendicular to the bending portion. According to the air circulation fan described in item 1 of the patent scope of the application, the aforementioned fan includes an outer cylinder, a front net, a rear net, a mounting ring, a motor, and fan blades; There is a mounting part, which is fixedly connected with the aforementioned rotating shaft; the inner wall of the aforementioned outer cylinder is provided with a limiting part, the side wall of the aforementioned mounting ring abuts on the aforementioned limiting part and is detachably connected with the aforementioned limiting part, and the aforementioned mounting ring The center of the machine is provided with an organic casing, and a plurality of connecting rings are arranged between the aforementioned casing and the aforementioned mounting ring. Connecting strips, the bottom of the aforementioned casing is also provided with a support frame supported on the inner wall of the aforementioned outer cylinder, the aforementioned motor is arranged in the aforementioned casing, the aforementioned fan blades are connected to the main shaft of the aforementioned motor, the aforementioned front net and the aforementioned rear net are respectively covered At the front and rear ends of the aforementioned outer cylinder. According to the air circulation fan described in any one of items 1 to 11 of the patent scope of the application, it includes a filter screen; there is an air duct in the aforementioned fan, and the aforementioned filter screen is arranged in the aforementioned air duct to filter the air flow in the aforementioned air duct. air. According to the air circulation fan described in item 12 of the scope of the patent application, the aforementioned fan includes an outer cylinder, a front net, a rear net, a mounting ring, a motor, and fan blades; There is a mounting part, which is fixedly connected with the aforementioned rotating shaft; the inner wall of the aforementioned outer cylinder is provided with a limiting part, the side wall of the aforementioned mounting ring abuts on the aforementioned limiting part and is detachably connected with the aforementioned limiting part, and the aforementioned mounting ring An organic casing is arranged in the center of the casing, and a plurality of connecting bars are arranged between the aforementioned casing and the aforementioned installation ring. The bottom of the aforementioned casing is also provided with a support frame supported on the inner wall of the aforementioned outer cylinder, and the aforementioned motor is arranged in the aforementioned casing , the aforementioned fan blade is connected to the main shaft of the aforementioned motor; the aforementioned filter screen has an outer ring, the aforementioned installation ring has an inner ring extending toward the rear end of the aforementioned outer cylinder, and the outer ring of the aforementioned filter screen is hermetically attached to the inner ring of the aforementioned installation ring , and the aforementioned filter screen abuts against one side of the aforementioned connecting strip; the aforementioned front net and the aforementioned rear net are respectively covered on the front end and the rear end of the aforementioned outer cylinder, and the inner side of the aforementioned rear net is also provided with a limit surface.

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