Blade structure and ceiling fan light

Abstract

The present invention provides a blade structure and a fan light. The blade structure includes a first end, a second end, a first edge where air flows in, a second edge where air flows out, a guiding surface, and guiding ribs. The height of the first edge in the horizontal direction gradually increases from the first end towards the second end; the second edge is connected to the first edge at the second end, and the height of the second edge in the horizontal direction is lower than the height of the first edge in the horizontal direction. The guiding surface bends and extends downward from the direction of the first edge to the second edge. The guiding ribs are arranged on the guiding surface and vertically extend between the first edge and the second edge to contact the air below the blade structure and guide the air to the area far from the first end. By arranging the guiding ribs on the lower surface of the guiding surface, the blade structure of the present invention can utilize the mutual cooperation of the guiding ribs with the first edge, the second edge, and the guiding surface to expand the influence range of the air volume when the blade structure rotates and works.

Description

Technical Field

[0001] The present invention relates to a fan blade structure and a ceiling fan light, belonging to the technical field of electrical appliances. Background Art

[0002] Currently, for the ceiling fan lights on the market, when the fan operates, the air outlet is relatively concentrated, the air volume influence range is small, the wind speed is relatively large near the fan rotation axis, and the wind speed is small in the fan edge area.

[0003] Although increasing the fan blade area and / or extending the fan blade length can improve the wind speed problem, increasing the fan blade area and / or extending the fan blade length not only increases the production cost, but also increases the assembly difficulty.

[0004] In view of this, it is necessary to provide a fan blade structure and a ceiling fan light to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a fan blade structure that can expand the air volume influence range around.

[0006] To achieve the above purpose, the present invention provides a fan blade structure, which includes a first end and a second end. The first end is close to the rotation axis of the fan blade structure, and the second end is far from the rotation axis of the fan blade structure. The fan blade structure further includes:

[0007] A first edge, which is a curved edge on the side where air flows in. The first edge is arranged between the first end and the second end, and the height of the first edge in the horizontal direction gradually increases from the first end towards the second end;

[0008] A second edge, which is a curved edge on the side where air flows out. The second edge is also arranged between the first end and the second end, and the second edge is connected to the first edge at the second end. The height of the second edge in the horizontal direction is lower than the height of the first edge in the horizontal direction;

[0009] A guiding surface, which is connected between the first edge and the second edge. The guiding surface bends and extends downward from the direction of the first edge to the second edge; and

[0010] A guiding rib, which is arranged on the guiding surface and vertically extends between the first edge and the second edge to contact the air below the fan blade structure and guide the air to the area far from the first end.

[0011] As a further improvement of the present invention, the guiding ribs are arranged in a strip shape between the first edge and the second edge and protrude from the lower surface of the guiding surface.

[0012] As a further improvement of the present invention, the guiding ribs are arranged in an arc shape and protrude towards the first end.

[0013] As a further improvement of the present invention, a plurality of guiding ribs are provided, including a first guiding rib arranged near the first end and a second guiding rib arranged near the second end, and the protruding curvature of the first guiding rib is greater than that of the second guiding rib.

[0014] As a further improvement of the present invention, the guiding ribs further include a third guiding rib located between the first guiding rib and the second guiding rib, and the third guiding rib, the second guiding rib, and the first guiding rib all incline towards the rotation axis, and the inclination angles of the three gradually decrease in sequence.

[0015] As a further improvement of the present invention, both ends of the first guiding rib, the second guiding rib, and the third guiding rib are respectively close to the first edge and the second edge.

[0016] As a further improvement of the present invention, the first edge includes a first arc segment and a second arc segment connected to each other, and at the connection of the first arc segment and the second arc segment, the distance between the first edge and the line connecting the first end and the second end reaches a peak value.

[0017] As a further improvement of the present invention, the included angle formed between the first arc segment and the second arc segment is 100° - 180°.

[0018] As a further improvement of the present invention, the second edge includes a third arc segment and a fourth arc segment connected to each other, the third arc segment protrudes towards the side where air flows in, the fourth arc segment protrudes towards the side where air flows out, and the fourth arc segment is connected to the first edge.

[0019] As a further improvement of the present invention, the third arc segment is arranged opposite to the first arc segment, the fourth arc segment is arranged opposite to the second arc segment, and the protruding curvatures of the fourth arc segment, the third arc segment, the second arc segment, and the first arc segment gradually decrease in sequence.

[0020] As a further improvement of the present invention, the first arc segment and the second arc segment are connected in sequence along the direction from the first end to the second end, the first edge further includes a fifth arc segment connected to the second arc segment, the fifth arc segment is connected to the fourth arc segment, and a curved arc segment is formed at the connection of the two.

[0021] As a further improvement of the present invention, the second edge extends in a wavy shape from the first end to the second end, and the height of the second edge in the horizontal direction gradually increases from the first end towards the second end, and the increasing amplitude is smaller than that of the first edge.

[0022] As a further improvement of the present invention, the width of the guiding surface near the first end is smaller than the width away from the first end, and one side of the guiding surface near the second end bends upwards and the side near the first end bends downwards.

[0023] The purpose of the present invention is to provide a fan lamp to better apply the above-mentioned fan blade structure and improve the performance of the fan lamp.

[0024] To achieve the above purpose, the present invention provides a fan lamp, including a lamp assembly and a driving assembly, and the fan lamp further includes the aforementioned fan blade structure.

[0025] As a further improvement of the present invention, the fan lamp includes three of the aforementioned fan blade structures. When the three fan blade structures are all folded in the fan lamp, one side of the first edge of the previous fan blade structure close to the rotation axis is arranged opposite to one side of the first edge of the next fan blade structure away from the rotation axis, and there is a gap formed between the previous fan blade structure and the next fan blade structure.

[0026] The beneficial effects of the present invention are as follows: By arranging guiding ribs on the lower surface of the guiding surface of the fan blade structure of the present invention, the mutual cooperation of the guiding ribs with the first edge, the second edge and the guiding surface can be utilized to expand the influence range of the air volume when the fan blade structure rotates and works; in addition, the application of the fan blade structure on the fan lamp not only effectively improves the performance of the fan lamp, but also increases the aesthetic degree of the fan lamp. Description of the Drawings

[0027] Figure 1 It is a schematic structural diagram of a fan lamp conforming to the preferred embodiment of the present invention.

[0028] Figure 2 It is Figure 1 exploded view of

[0029] Figure 3 It is Figure 2 The schematic structural diagram of the fan blade structure in the first perspective in

[0030] Figure 4 It is Figure 2 The schematic structural diagram of the fan blade structure in the second perspective in

[0031] Figure 5 It is Figure 4Schematic diagram of air flow when the middle fan blade structure is working.

[0032] Figure 6 is Figure 2 Schematic diagram of the middle fan blade structure from the third perspective.

[0033] Figure 7 is Figure 1 Top view of the shown fan light after removing the suspension assembly.

[0034] Figure 8 is Figure 7 Schematic diagram of the middle fan blade structure after expansion.

[0035] Figure 9 is Figure 2 Schematic diagram of the structure after the middle rotating disk and the lamp assembly are assembled.

[0036] Figure 10 is Figure 9 Exploded view of... Detailed implementation manner

[0037] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] The present invention discloses a fan blade structure 100, which can be applied to products such as electric fans and fan lights. The fan blade structure 100 is a component used to promote air flow in blowing products such as electric fans and fan lights. It can rotate at a high speed around its own rotation axis L to promote the flow of the surrounding air, thereby achieving the blowing effect. In order to improve the blowing effect, in the embodiments of the present invention, the shape and structure of the fan blade structure 100 are redesigned. Compared with the traditional fan blade structure, the fan blade structure 100 in the embodiments of the present invention has a better blowing effect.

[0039] The present invention will take a fan light as an example to detail the structure of the fan light, its fan blade structure 100, working principle and process. Of course, the fan blade structure 100 of the present invention can also be applied to other blowing products, and no more restrictions are imposed here.

[0040] Such as Figure 1 and Figure 2 and in combination with Figure 10As shown, the fan light includes a lamp component 200, a fan component, and a suspension component 300. The fan component includes a blade assembly, a drive component 400, and a rotating component 500; the lamp component 200 includes a light source component 201, a chassis 202, and a lampshade 203. The lampshade 203 and the chassis 202 are connected to form a receiving cavity for receiving the light source component 201. The rotating component 500 is fixedly connected to the chassis 202 and rotatably connected to the blade assembly. When the fan component is in a non-working state, the blade assembly is folded and located directly above the rotating component 500. When the fan component is in a working state, the drive component 400 drives the rotating component 500 to rotate, drives the blade assembly to rotate, the blade assembly unfolds and moves away from the rotating component 500, and rotates with the rotating component 500.

[0041] The blade assembly includes three identical blade structures 100. As Figure 3 , Figure 4 and Figure 5 shown, the blade structure 100 includes a first end 10 and a second end 20. The first end 10 is arranged close to the rotation axis L, and the second end 20 is arranged far from the rotation axis L. The blade structure 100 further includes a first edge 30, a second edge 40, a flow guiding surface 50 connected between the first edge 30 and the second edge 40, and a guiding rib 60 arranged on the flow guiding surface 50. When the fan component starts to work, the blade structure 100 unfolds and rotates, so that air first flows in from the first edge 30, contacts the flow guiding surface 50 and then flows out from the second edge 40. The air impacts on the lower surface of the flow guiding surface 50 and, under the pushing action of the lower surface of the flow guiding surface 50, flows forward and downward to achieve blowing. At the same time, combining Figure 5 and Figure 6 , as shown by the dotted line part, the air contacts the guiding rib 60 of the flow guiding surface 50. The guiding rib 60 divides the air passing through the flow guiding surface 50 into multiple regions, and guides the air close to the rotation axis L to the region far from the first end 10, so that the air volume at the edge region of the blade structure 100 increases. That is to say, there is a guiding rib 60 on the flow guiding surface 50 of the blade structure 100, which can guide the air to the region far from the center of the fan light, so that the air diffuses around the blade structure 100, achieving the effect of expanding the influence range of the air volume, thereby improving the blowing effect of the fan light.

[0042] Combining Figure 3 , Figure 4 and Figure 6, both the first edge 30 and the second edge 40 are disposed between the first end 10 and the second end 20. The first edge 30 is a curved edge on the side where air flows in, i.e., the windward side; the second edge 40 is a curved edge on the side where air flows out, i.e., the leeward side. Thus, when the fan blade structure 100 rotates, the first edge 30 contacts the air first, and the second edge 40 contacts the air later, and the air detaches from the fan blade structure 100 in the area of the second edge 40. The first edge 30 and the second edge 40 are disposed on both sides of the fan blade structure 100 along its width direction in opposite directions.

[0043] Specifically, the height of the first edge 30 in the horizontal direction gradually increases from the first end 10 towards the second end 20; the second edge 40 is connected to the first edge 30 at the second end 20 of the fan blade structure 100, and the height of the second edge 40 in the horizontal direction is lower than the height of the first edge 30 in the horizontal direction. That is to say, the second end 20 of the fan blade structure 100 is high and the first end 10 is low. Such a setting can better push the air. Since the first edge 30 is higher than the second edge 40, the above-mentioned flow guiding surface 50 is set to bend and extend downward from the direction of the first edge 30 to the second edge 40.

[0044] Furthermore, the width of the flow guiding surface 50 near the first end 10 is smaller than the width away from the first end 10, and the flow guiding surface 50 bends upward near the second end 20 and bends downward away from the second end 20. Since the second end 20 of the flow guiding surface 50 is high and the first end 10 is low, that is, the flow guiding surface 50 away from the rotation axis L bends upward and the flow guiding surface 50 near the rotation axis L bends downward, so that the flow guiding surface 50 not only has a better air-catching effect, can make more air flow, and achieve a better air-stirring effect, but also cooperates with the guiding ribs 60 on the flow guiding surface 50, so that the air near the first end 10 of the fan blade structure 100 is dispersed and guided to the second end 20 to increase the wind speed in the edge area of the fan blade structure 100, and thus improve the blowing effect of the fan blade structure 100 to a certain extent.

[0045] Preferably, the guiding rib 60 is integrally provided with the air guiding surface 50 and vertically extends between the first edge 30 and the second edge 40 to better contact the air below the fan blade structure 100 and guide the air to an area away from the first end 10. Further, the guiding rib 60 is strip-shaped between the first edge 30 and the second edge 40 and protrudes from the lower surface of the air guiding surface 50, and the guiding rib 60 is arc-shaped and protrudes towards the first end 10. Since when the fan blade structure 100 rotates to catch the wind, the generated air volume is basically below the fan blade structure 100, and the air first flows in from the first edge 30 and contacts the air guiding surface 50, and finally flows out from the second edge 40, setting the guiding rib 60 on the lower surface of the air guiding surface 50 can enable both the guiding rib 60 and the air guiding surface 50 to contact the air below the fan blade structure 100, and can better disperse the air volume near the first end 10 of the fan blade structure 100 and guide it to the vicinity of the second end 20 according to the air fluidity and the air generation characteristics, making the blowing effect of the fan lamp better.

[0046] Further, in order to improve the air guiding effect of the guiding rib 60, a plurality of guiding ribs 60 are provided in the present invention, including a first guiding rib 61 provided near the first end 10 and a second guiding rib 63 provided near the second end 20, and the protruding curvature of the first guiding rib 61 is greater than that of the second guiding rib 63. Further, the guiding rib 60 further includes a third guiding rib 62 located between the first guiding rib 61 and the second guiding rib 63. The third guiding rib 62, the second guiding rib 63 and the first guiding rib 61 all incline towards the rotation axis L, that is, all incline towards the first end 10 of the fan blade structure 100, and the inclination angles of the first guiding rib 61, the second guiding rib 63 and the third guiding rib 62 gradually decrease. Both ends of the first guiding rib 61, the second guiding rib 63 and the third guiding rib 62 are respectively close to the first edge 30 and the second edge 40. With such a setting, the guiding rib 60 and the air guiding surface 50 can be used to cooperate with each other to catch the wind, so as to better shunt the air near the rotation axis L and guide it away from the rotation axis L, and spread the air volume to the edge area of the fan blade structure 100. Of course, the number, inclination angle and protruding curvature of the guiding rib 60 can be arbitrarily designed according to the specific size and shape of the fan blade structure 100, as long as the air volume near the first end 10 can be dispersed and guided to the second end 20, and no excessive restrictions are made here.

[0047] Such as Figure 3 and Figure 7As shown, the first edge 30 of the fan blade structure 100 includes a first arc segment 31 and a second arc segment 32 that are connected to each other. At the connection of the first arc segment 31 and the second arc segment 32, the distance between the first edge 30 and the line connecting the first end 10 and the second end 20 reaches a peak value, and the included angle λ formed between the first arc segment 31 and the second arc segment 32 is 100° to 180°. With such a setting, when the three fan blade structures 100 are in a converged state, each fan blade structure 100 will not overlap. In addition, the side of the first edge 30 of the previous fan blade structure 100 close to the rotation axis L is arranged opposite to the side of the first edge 30 of the subsequent fan blade structure 100 away from the rotation axis L, and a gap is formed between the previous fan blade structure 100 and the subsequent fan blade structure 100. With such a setting, it is ensured that each fan blade structure 100 will not collide or overlap when being folded and converged, so as to better protect the fan blade structure 100.

[0048] As Figure 4 and Figure 6 shown, the second edge 40 extends in a wavy shape from the first end 10 to the second end 20, and the height of the second edge 40 in the horizontal direction gradually increases from the first end 10 towards the second end 20, and the increasing amplitude is smaller than that of the first edge 30. The second edge 40 includes a third arc segment 41 and a fourth arc segment 42 that are connected to each other. The third arc segment 41 protrudes towards the windward side, the fourth arc segment 42 protrudes towards the leeward side, and the fourth arc segment 42 is connected to the first edge 30. That is to say, the third arc segment 41 protrudes towards the side where air flows in, that is, towards the first edge 30, and the fourth arc segment 42 protrudes towards the side where air flows out, that is, protrudes along the direction away from the first edge 30. Further, the third arc segment 41 is arranged opposite to the first arc segment 31, the fourth arc segment 42 is arranged opposite to the second arc segment 32, and the protruding curvature of the fourth arc segment 42, the protruding curvature of the third arc segment 41, the protruding curvature of the second arc segment 32, and the protruding curvature of the first arc segment 31 gradually decrease in sequence. With such a setting, not only can the first edge 30 be better utilized to guide the air flow, making the air flow into the first edge 30 more smoothly and flow out from the second edge 40 more smoothly, but also it can cooperate with the flow guiding surface 50 and the guiding ribs 60 to disperse the air near the first end 10 and guide it to the periphery of the second end 20, making the air volume below the fan blade structure 100 more uniform, and effectively improving the blowing effect of the fan lamp.

[0049] As Figure 3As shown, the first arc segment 31 and the second arc segment 32 are connected in sequence along the direction from the first end 10 to the second end 20, and the first edge 30 also includes a fifth arc segment 33 connected to the second arc segment 32, and the fifth arc segment 33 is connected to the fourth arc segment 42, and a curved arc segment is formed at the connection between the two. The guide surface 50 between the first edge 30 and the second edge 40 at the curved arc segment is bent upward, that is, the end of the fan blade structure 100 is tilted upward. Such a configuration can produce a guiding effect on the air flow when the fan blade structure 100 rotates, and can weaken the collision between the air and the fan blade structure 100 to a certain extent, so that it is not only conducive to reducing the noise and energy consumption when the fan blade structure 100 rotates, but also can reduce the fan blade structure 100 The gathering of the wind volume around the second end 20, so that the guide ribs 60 can better guide and disperse the air to the surroundings of the fan blade structure 100.

[0050] like Figures 6 to 10 Combined with Figure 1 and Figure 2 As shown, the driving assembly 400 is electrically connected to the rotating assembly 500 and the fan assembly, and the fan assembly is mounted on the rotating assembly 500, so as to drive the rotating assembly 500 through the driving assembly 400 to drive the fan assembly to rotate and unfold. In an embodiment of the present invention, the rotating assembly 500 includes a rotating disk 501, and a plurality of mounting portions 502 are provided on the rotating disk 501. Specifically, a plurality of mounting portions 502 are evenly arranged in an area close to the edge of the rotating disk 501. Correspondingly, a rotating seat 70 is provided at a position of the fan blade structure 100 close to the first end 10, and the rotating seat 70 is correspondingly mounted on the mounting portion 502, and the mounting portion 502 and the rotating seat 70 can rotate relative to each other. Preferably, the mounting portion 502 is a groove, and the rotating seat 70 is a protrusion arranged corresponding to the groove, and the protrusion is embedded in the groove and is rotatably connected with the groove. Of course, the mounting portion 502 and the rotating seat 70 can also be set to other structures, as long as the mounting portion 502 and the rotating seat 70 can be rotatably connected, and no excessive restrictions are made here.

[0051] In order to enable the fan blade structure 100 to be folded in a non-rotating state, an elastic element may be provided between the mounting portion 502 and the rotating seat 70 in an embodiment of the present invention, wherein the elastic element may be a torsion spring. With such a configuration, when the fan blade structure 100 is in a non-rotating state, the elastic element drives the fan blade structure 100 to rotate and fold relative to the rotating disk 501 through elastic force. To a certain extent, the appearance performance of the fan lamp can be improved, and the overall volume of the fan lamp can be reduced. When the fan blade structure 100 rotates with the rotating disk 501, the fan blade structure 100 is thrown outward under the action of centrifugal force. As the speed of the rotating disk 501 gradually increases, when the centrifugal force is greater than the elastic force of the elastic element, the fan blade structure 100 unfolds relative to the rotating disk 501, thereby achieving a blowing effect.

[0052] The driving assembly 400 includes a driving motor, a rotating structure connected to the driving motor, and a fixing structure. The rotating structure is connected to the rotating disk 501, and the fixing structure is connected to the suspension assembly 300. With such an arrangement, the driving motor can drive the rotating disk 501 to drive the fan blade structure 100 to rotate and unfold.

[0053] The lamp assembly 200 is arranged below the rotating disk 501, and the lamp assembly 200 is connected to the suspension assembly 300, so that the lamp assembly 200 can be stably suspended on the roof or other mounting surfaces. The lamp assembly 200 includes a light source assembly 201, a chassis 202, and a lamp shade 203. The lamp shade 203 and the chassis 202 are connected to form a receiving cavity for receiving the light source assembly 201. The light source assembly 201 is arranged in a ring shape and fixedly connected to the chassis 202. The chassis 202 and the rotating disk 501 are fixedly connected. Specifically, the rotating disk 501, the chassis 202, and the lamp shade 203 are sequentially fixedly connected through an annular housing 204, which not only realizes the fixed connection between the lamp assembly 200 and the rotating disk 501, but also can effectively protect the internal structure of the lamp assembly 200 and avoid damage.

[0054] Specifically, a through hole (not labeled) for placing the driving assembly 400 and the suspension assembly 300 is provided at the central position of the chassis 202. Correspondingly, a perforation (not labeled) corresponding to the through hole is also provided on the rotating disk 501. A power supply board 205 for supplying power to the driving assembly 400 and the light source assembly 201 is provided near the through hole. The driving motor sequentially passes through the perforation and the through hole and is electrically connected to the power supply board 205. When the driving motor is started, the driving motor drives the rotating disk 501 to rotate, and the rotating disk 501 then drives the fan blade structure 100 to rotate and unfold. Further, the lamp assembly 200 further includes a cover plate 206 connected to the chassis 202, and the cover plate 206 can protect the power supply board 205 and avoid its damage.

[0055] It should be noted that, in addition to the above methods, the above rotating assembly 500, driving assembly 400, lamp assembly 200, and suspension assembly 300 can also be arranged with reference to the related art, and the specific structures of the above components are not limited in the embodiments of the present invention.

[0056] In summary, by arranging the guiding ribs 60 on the lower surface of the guiding surface 50 of the fan blade structure 100 of the present invention, the guiding ribs 60 can cooperate with the first edge 30, the second edge 40, and the guiding surface 50, so as to expand the influence range of the air volume when the fan blade structure 100 rotates and works; in addition, the application of the fan blade structure 100 on the fan lamp not only effectively improves the performance of the fan lamp, but also increases the aesthetic degree of the fan lamp.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A blade structure (100), characterized in that, The blade structure (100) includes a first end portion (10) and a second end portion (20). The first end portion (10) is close to the rotation axis (L) of the blade structure (100), and the second end portion (20) is far from the rotation axis (L) of the blade structure (100). The blade structure (100) further includes: A first edge (30), which is a curved edge on the side where air flows in. The first edge (30) is arranged between the first end portion (10) and the second end portion (20), and the height of the first edge (30) in the horizontal direction gradually increases from the first end portion (10) towards the second end portion (20); A second edge (40), which is a curved edge on the side where air flows out. The second edge (40) is also arranged between the first end portion (10) and the second end portion (20), and the second edge (40) is connected to the first edge (30) at the second end portion (20). The height of the second edge (40) in the horizontal direction is lower than the height of the first edge (30) in the horizontal direction; A guiding surface (50), which is connected between the first edge (30) and the second edge (40). The guiding surface (50) bends and extends downward from the direction of the first edge (30) to the second edge (40), and the width of the guiding surface (50) near the first end portion (10) is smaller than the width far from the first end portion (10); and A guiding rib (60), which is arranged on the guiding surface (50) and extends vertically between the first edge (30) and the second edge (40) to contact the air below the blade structure (100) and guide the air to an area far from the first end portion (10); The guiding rib (60) is arranged in a strip shape between the first edge (30) and the second edge (40) and protrudes from the lower surface of the guiding surface (50); the guiding rib (60) is arranged in an arc shape and protrudes towards the first end portion (10); there are multiple guiding ribs (60), including a first guiding rib (61) arranged near the first end portion (10) and a second guiding rib (63) arranged near the second end portion (20). The protruding curvature of the first guiding rib (61) is greater than the protruding curvature of the second guiding rib (63).

2. The blade structure (100) according to claim 1, characterized in that: The guiding rib (60) further includes a third guiding rib (62) located between the first guiding rib (61) and the second guiding rib (63). The third guiding rib (62), the second guiding rib (63) and the first guiding rib (61) all incline towards the rotation axis (L), and the inclination angles of the three gradually decrease in sequence.

3. The blade structure (100) according to claim 2, wherein: Both ends of the first guiding rib (61), the second guiding rib (63) and the third guiding rib (62) are respectively close to the first edge (30) and the second edge (40).

4. The blade structure (100) according to claim 1, characterized in that: The first edge (30) includes a first arc segment (31) and a second arc segment (32) that are connected to each other. At the connection of the first arc segment (31) and the second arc segment (32), the distance between the first edge (30) and the line connecting the first end (10) and the second end (20) reaches a peak value.

5. The blade structure (100) according to claim 4, characterized in that: The included angle formed between the first arc segment (31) and the second arc segment (32) is 100° to 180°.

6. The blade structure (100) according to claim 4, characterized in that: The second edge (40) includes a third arc segment (41) and a fourth arc segment (42) that are connected to each other. The third arc segment (41) protrudes toward the side where air flows in, the fourth arc segment (42) protrudes toward the side where air flows out, and the fourth arc segment (42) is connected to the first edge (30).

7. The blade structure (100) according to claim 6, characterized in that: The third arc segment (41) is disposed opposite to the first arc segment (31), the fourth arc segment (42) is disposed opposite to the second arc segment (32), and the protruding curvature of the fourth arc segment (42), the protruding curvature of the third arc segment (41), the protruding curvature of the second arc segment (32), and the protruding curvature of the first arc segment (31) gradually decrease in sequence.

8. The blade structure (100) according to claim 6, characterized in that: The first arc segment (31) and the second arc segment (32) are sequentially connected along the direction from the first end (10) to the second end (20). The first edge (30) further includes a fifth arc segment (33) connected to the second arc segment (32). The fifth arc segment (33) is connected to the fourth arc segment (42), and a curved arc segment is formed at the connection therebetween.

9. The blade structure (100) according to claim 1, characterized in that: The second edge (40) extends in a wavy shape from the first end (10) to the second end (20). The height of the second edge (40) in the horizontal direction gradually increases from the first end (10) toward the second end (20), and the increasing amplitude is smaller than that of the first edge (30).

10. The blade structure (100) according to claim 1, characterized in that: One side of the flow guiding surface (50) close to the second end (20) bends upward, and one side close to the first end (10) bends downward.

11. A fan light, comprising a lamp component (200) and a driving component (400), characterized in that: The fan light further includes the blade structure (100) according to any one of claims 1-10.

12. The ceiling fan light according to claim 11, wherein: The fan light includes three of the blade structures (100). When the three blade structures (100) are all retracted into the fan light, one side of the first edge (30) of the previous blade structure (100) close to the rotation axis (L) is disposed opposite to one side of the first edge (30) of the subsequent blade structure (100) away from the rotation axis (L), and a gap is formed between the previous blade structure (100) and the subsequent blade structure (100).

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