Fan structure of Roman umbrella

Abstract

The utility model provides a fan structure of a Roman umbrella, and belongs to the technical field of Roman umbrellas. The umbrella stand solves the problem that an existing fan structure can affect storage of an umbrella stand. According to the fan structure of the Roman umbrella, the Roman umbrella comprises an umbrella stand, the umbrella stand comprises a lower umbrella disc and lower umbrella ribs evenly hinged to the lower umbrella disc in the circumferential direction, the lower umbrella disc is connected with an electric fan driving piece, a driving shaft of the electric fan driving piece is fixedly connected with a rotor, the end of one end of the driving shaft is connected with an illuminating lamp holder, and the driving shaft is rotationally connected with a rotating shell through a bearing; a stator matched with the rotor is fixed in the rotating shell, the rotating shell is located between the lighting lamp holder and the lower umbrella disc, a plurality of fan blades are hinged to the outer edge of the rotating shell in the circumferential direction, and when the fan blades are folded between the lower umbrella disc and the lighting lamp holder, the outer edges of the fan blades are located in the outer edge of the lighting lamp holder in the radial direction. When the fan structure of the Roman umbrella is stored, the fan blades are hidden, umbrella folding of the umbrella stand is not affected, and normal storage of the umbrella stand can be guaranteed while the fan blows air.

Description

Technical Field

[0001] This utility model belongs to the field of Roman umbrella technology and relates to a fan structure for a Roman umbrella. Background Technology

[0002] Traditional Roman umbrellas only serve the functions of sunshade and lighting. When used in hot weather, they are usually equipped with handheld fans. For ease of use, some Roman umbrellas have fans attached to their frames, which can be turned on and off by switching the fan on and off after the umbrella is opened.

[0003] For example, Chinese patent application [Authorization Announcement No.: CN101077243B] discloses a multi-functional umbrella for electrical devices, including a column and an electrical function control panel. The electrical function control panel is supported on the column and located in a position accessible to the user. It includes a control circuit with an input port for electrically connecting to a power source, and multiple control ports that can be selectively connected to electrical devices. A control device electrically connected to the control circuit selectively controls each electrical device using a switch mode. The awning frame includes an umbrella hub suspended and supported on the column for supporting the electrical devices, and multiple long umbrella ribs extending outward from the umbrella hub. The multi-functional umbrella further includes a fan system, which includes a ventilation power unit supported on the umbrella hub. A fan motor rotor is rotatably and coaxially fixed to the outer wall of the umbrella hub and electrically coupled to the ventilation power unit. Multiple fan blades are fixed at intervals to the fan motor rotor. When the fan motor rotor is actuated to rotate, the fan blades rotate to generate airflow, producing a ventilation effect. The fan motor rotor further includes multiple corner blade hinges, which are attached to the inner ends of the fan blades at preset angles.

[0004] The above structure consists of a motor fan rotor fixed on the umbrella hub, with multiple fan blades fixed at intervals on the fan motor rotor and the fan blades installed through corner blade hinges. When the fan blades are not in use, they hang down on the outside of the umbrella hub. When the umbrella frame is stored, the umbrella ribs connected to the umbrella hub will also swing and close. Therefore, the fan blades on the outside of the umbrella hub are easily damaged when the umbrella frame is closed. In actual use, it is necessary to avoid the fan blades when the umbrella frame is stored, which affects the closing of the umbrella frame. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a fan structure for Roman umbrellas. The technical problem this invention aims to solve is: how to resolve the issue that existing fan structures affect umbrella frame storage.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A fan structure for a Roman umbrella, the Roman umbrella including an umbrella frame, the umbrella frame including a lower umbrella disc and lower umbrella ribs uniformly hinged to the lower umbrella disc circumferentially, an electric fan drive unit connected to the lower umbrella disc, a rotor fixedly connected to the drive shaft of the electric fan drive unit, and a lighting lamp holder connected to one end of the drive shaft, characterized in that a rotating shell is rotatably connected to the drive shaft via a bearing, a stator cooperating with the rotor is fixed inside the rotating shell, the rotating shell is located between the lighting lamp holder and the lower umbrella disc, and a plurality of fan blades are circumferentially hinged to the outer edge of the rotating shell, and when the fan blades are retracted between the lower umbrella disc and the lighting lamp holder, the outer edge of the fan blades is radially located inside the outer edge of the lighting lamp holder.

[0008] An electric fan drive unit, which is an electric motor, is installed between the lower umbrella tray and the lighting fixture. A rotor is fixed to the drive shaft of the electric fan drive unit, and a rotating housing is rotatably connected to the drive shaft via bearings. A stator is fixed inside the rotating housing, and fan blades are hinged to the rotating housing. When the rotor is energized by the electric fan drive unit, the rotor and stator cooperate, and the stator rotates circumferentially along the drive shaft, driving the fan blades to rotate and thus generating airflow. To ensure that the fan blades do not affect the folding of the umbrella frame, the projection of the outer wall of the rotating housing along the axial direction of the drive shaft is located on the upper wall of the lighting fixture. In other words, the overall outer diameter of the rotating housing is smaller than the overall outer diameter of the lighting fixture. The fan blades are made of flexible material. When the electric fan drive unit is closed, the fan blades can be positioned close to the outer wall of the rotating housing due to inertia. The fan blades are located between the lower umbrella tray and the lighting fixture and do not extend radially out of the lower umbrella tray and the lighting fixture. Therefore, the fan blades are hidden when the umbrella frame is folded up and will not affect the folding of the umbrella frame. This ensures that the umbrella frame can be folded up normally while providing airflow.

[0009] Fan blades can be made of materials such as soft silicone.

[0010] In the aforementioned fan structure of the Roman umbrella, the outer wall of the rotating shell protrudes radially along the drive shaft to form a hinge plate that corresponds one-to-one with the fan blades. The hinge plate is rotatably connected to a rotating shaft along the drive shaft. One end of the fan blade is fixed on the rotating shaft, and there is a rotational gap between this end and the outer wall of the rotating shell.

[0011] The hinge plate and the rotating shaft are designed to prevent the fan blades from colliding with the outer wall of the rotating housing when they rotate, thus improving the stability of the fan blades during rotation. When the fan blades retract, the stirring plate can also provide some support for the fan blades, thus improving the stability of the fan blades when they retract.

[0012] In the aforementioned fan structure of the Roman umbrella, the distance between two adjacent hinge plates is greater than the length of the fan blades.

[0013] This structure ensures that the fan blades do not collide with the hinge plate when retracted, facilitating quick and stable retraction of the fan blades.

[0014] In the aforementioned fan structure of the Roman umbrella, the upper end of the rotating shell has an opening, and the rotor can pass through the opening into the rotating shell. The fan drive includes a mounting shell fixed on the lower umbrella disc, and the upper end of the rotating shell passes through the lower end of the mounting shell.

[0015] The rotating housing has an opening to facilitate the insertion of the rotor and prevent dust from entering. By inserting the upper end of the rotating housing into the lower end of the mounting housing, the opening of the rotating housing is blocked, which facilitates installation and maintenance.

[0016] In the aforementioned fan structure of the Roman umbrella, the fan blades are elongated, the rotating shell is cylindrical, the lighting fixture is disc-shaped, and the length of the fan blades is greater than the vertical distance from the outer wall of the rotating shell to the outer wall of the lighting fixture.

[0017] This structure ensures that when the rotating housing rotates, the outer end of the fan blades can be thrown radially out of the outer wall of the lighting fixture, thus ensuring better airflow from the fan blades.

[0018] Compared with existing technologies, the fan structure of this Roman umbrella has the following advantages: To ensure that the fan blades do not affect the folding of the umbrella frame, the projection of the outer wall of the rotating shell along the drive shaft axis is located on the upper wall of the lighting fixture. In other words, the overall outer diameter of the rotating shell is smaller than the overall outer diameter of the lighting fixture. The fan blades are made of flexible material. When the fan drive is turned off, the fan blades can be positioned close to the outer wall of the rotating shell due to inertia. The fan blades are located between the lower umbrella plate and the lighting fixture and do not extend radially out of the lower umbrella plate and the lighting fixture. Therefore, the fan blades are hidden when folding and will not affect the folding of the umbrella frame. It can provide fan airflow while ensuring the normal folding of the umbrella frame. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model.

[0020] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle.

[0021] Figure 3 This is a partial front view of this utility model.

[0022] Figure 4 yes Figure 3 Sectional view of AA.

[0023] Figure 5 This is a partial structural schematic diagram of the present invention.

[0024] Figure 6 This is a partial top view of the fan blades after they have been retracted in this utility model.

[0025] In the diagram, 1 is the umbrella frame; 11 is the lower umbrella plate; 12 is the lower umbrella rib; 2 is the fan drive unit; 21 is the drive shaft; 22 is the mounting shell; 3 is the rotor; 4 is the lighting fixture; 5 is the bearing; 6 is the rotating shell; 61 is the stator; 62 is the hinge plate; 63 is the rotating shaft; 64 is the opening; 7 is the fan blade; and 8 is the rotation clearance. Detailed Implementation

[0026] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0027] like Figure 1 and Figure 4 As shown, the fan structure of this Roman umbrella includes an umbrella frame 1, which includes a lower umbrella plate 11 and lower umbrella ribs 12 that are circumferentially and uniformly hinged to the lower umbrella plate 11. A fan drive unit 2 is connected to the lower umbrella plate 11, and a rotor 3 is fixedly connected to the drive shaft 21 of the fan drive unit 2. A lighting lamp holder 4 is connected to one end of the drive shaft 21.

[0028] Specifically, such as Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, a rotating housing 6 is rotatably connected to the drive shaft 21 via a bearing 5. A stator 61 that cooperates with the rotor 3 is fixed inside the rotating housing 6. The rotating housing 6 is located between the lighting lamp holder 4 and the lower umbrella plate 11, and the projection of the outer wall of the rotating housing 6 along the axial direction of the drive shaft 21 is located on the upper wall of the lighting lamp holder 4. Multiple fan blades 7 are circumferentially hinged to the outer edge of the rotating housing 6. When the fan blades 7 are retracted between the lower umbrella plate 11 and the lighting lamp holder 4, the outer edge of the fan blades 7 is located radially inside the outer edge of the lighting lamp holder 4.

[0029] A fan drive unit 2, which is an electric motor, is installed between the lower umbrella tray 11 and the lighting fixture 4. A rotor 3 is fixedly connected to the drive shaft 21 of the fan drive unit 2. A rotating housing 6 is rotatably connected to the drive shaft 21 via a bearing 5. A fan blade 7 is fixed inside the rotating housing 6. When the rotor 3 is energized by the fan drive unit 2, the rotor 3 engages with the stator 61, causing the stator 61 to rotate circumferentially along the drive shaft 21, thus rotating the fan blade 7 and generating airflow. To ensure that the fan blade 7 does not interfere with the storage of the umbrella frame 1, the rotating housing 6 is... The projection of the wall along the drive shaft 21 is located on the upper wall of the lighting base 4. That is, the overall outer diameter of the rotating shell 6 is smaller than the overall outer diameter of the lighting base 4. The fan blades 7 are made of flexible material. When the fan drive 2 is turned off, the fan blades 7 can be set close to the outer wall of the rotating shell 6 due to inertia. The fan blades 7 are located between the lower umbrella plate 11 and the lighting base 4 and do not extend radially out of the lower umbrella plate 11 and the lighting base 4. Therefore, the fan blades 7 are hidden when stored and will not affect the umbrella frame 1 from closing. While providing fan blowing, it can also ensure the normal storage of the umbrella frame 1.

[0030] The fan blades 7 can be made of materials such as soft silicone.

[0031] like Figure 2-6 As shown, the outer wall of the rotating housing 6 protrudes radially along the drive shaft 21 to form a hinge plate 62 that corresponds one-to-one with the fan blade 7. The hinge plate 62 is axially connected to the rotating shaft 63 along the drive shaft 21. One end of the fan blade 7 is fixed on the rotating shaft 63, and there is a rotation gap 8 between this end and the outer wall of the rotating housing 6. The distance between two adjacent hinge plates 62 is greater than the length of the fan blade 7.

[0032] like Figure 3 and Figure 4 As shown, the upper end of the rotating shell 6 has an opening 64, and the rotor 3 can pass through the opening 64 into the rotating shell 6. The fan drive component 2 includes a mounting shell 22 fixed on the lower umbrella plate 11, and the upper end of the rotating shell 6 passes through the lower end of the mounting shell 22.

[0033] like Figure 6 As shown, the fan blade 7 is elongated, the rotating shell 6 is cylindrical, and the lighting fixture 4 is disc-shaped. The length of the fan blade 7 is greater than the vertical distance from the outer wall of the rotating shell 6 to the outer wall of the lighting fixture 4.

[0034] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A fan structure for a Roman umbrella, the Roman umbrella comprising an umbrella frame (1), the umbrella frame (1) comprising a lower umbrella disc (11) and lower umbrella ribs (12) circumferentially and uniformly hinged to the lower umbrella disc (11), a fan drive component (2) connected to the lower umbrella disc (11), a rotor (3) fixedly connected to a drive shaft (21) of the fan drive component (2), and a lighting lamp holder (4) connected to one end of the drive shaft (21), characterized in that, A rotating housing (6) is rotatably connected to the drive shaft (21) via a bearing (5). A stator (61) that cooperates with the rotor (3) is fixed inside the rotating housing (6). The rotating housing (6) is located between the lighting lamp holder (4) and the lower umbrella plate (11). Multiple fan blades (7) are circumferentially hinged to the outer edge of the rotating housing (6). When the fan blades (7) are folded between the lower umbrella plate (11) and the lighting lamp holder (4), the outer edge of the fan blades (7) is located radially inside the outer edge of the lighting lamp holder (4).

2. The fan structure of the Roman umbrella according to claim 1, characterized in that, The outer wall of the rotating shell (6) protrudes radially along the drive shaft (21) to form a hinge plate (62) that corresponds one-to-one with the fan blade (7). The hinge plate (62) is rotatably connected to a rotating shaft (63) along the drive shaft (21). One end of the fan blade (7) is fixed on the rotating shaft (63), and there is a rotation gap (8) between the end and the outer wall of the rotating shell (6).

3. The fan structure of the Roman umbrella according to claim 2, characterized in that, The distance between two adjacent hinge plates (62) is greater than the length of the fan blade (7).

4. The fan structure of the Roman umbrella according to claim 1, 2, or 3, characterized in that, The upper end of the rotating shell (6) has an opening (64), and the rotor (3) can pass through the opening (64) into the rotating shell (6). The fan drive (2) includes a mounting shell (22) fixed on the lower umbrella plate (11), and the upper end of the rotating shell (6) passes through the lower end of the mounting shell (22).

5. The fan structure of the Roman umbrella according to claim 1, 2, or 3, characterized in that, The fan blade (7) is elongated, the rotating shell (6) is cylindrical, and the lighting fixture (4) is disc-shaped. The length of the fan blade (7) is greater than the vertical distance from the outer wall of the rotating shell (6) to the outer wall of the lighting fixture (4).

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