Fan blade connecting structure and fan lamp

Abstract

The utility model discloses a fan blade connection structure and fan lamp, including base and fan blade subassembly, the upper surface or lower surface of base is provided with the inclined binding surface, the inclined binding surface gradually inclined setting from inside to outside, the fan blade subassembly and the inclined binding surface are mutually attached and are rotatingly set relative to the base. According to the fan blade assembly, the fan blade assembly can be in an inclined state after being unfolded, only an inclined face needs to be punched on the base during production and machining, the shape of the fan blade does not need to be changed, machining and production are facilitated, and production requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, and particularly relates to a connection structure of fan blades and a fan lamp. Background Art

[0002] In the prior art, such as the Chinese utility model patent document with the publication number CN206600308U, a fan blade is disclosed, which includes an installation root end and a blade area extending outward from the installation root end; the blade area includes a blade width part arranged on the inner side thereof and a pushing part arranged on the outer side thereof; the blade width part is a sheet-like inclined body, and the inclination direction thereof is inclined downward from the inner side to the outer side; the pushing part is bent downward and connected to the outer side of the blade width part. By arranging the pushing part on the outer side of the blade width part of the blade area and bending and connecting the pushing part and the blade width part, on the one hand, a gathering area is formed below the blade areas of the pushing part and the blade width part, so that air will be more concentratedly gathered below the fan blade to generate more wind force, and on the other hand, the pushing part becomes a stress surface for bearing the action of air flow, increasing the stress area of the air flow driving force of the fan blade, further improving the auxiliary driving force for the rotation of the fan blade, and further improving the working efficiency of the fan blade.

[0003] Based on the above, in the prior art, the stress area of the air flow driving force of the fan blade is increased by the inclined blade width part. The technical problem existing therein is that although the inclination of the fan blade itself changes the air flow, it is not conducive to processing, the processing procedure is complex, and it is not conducive to reducing the production cost and improving the production efficiency. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a connection structure of fan blades and a fan lamp.

[0005] A connection structure of fan blades designed according to this purpose includes a base and a fan blade assembly. An inclined fitting surface is arranged on the upper surface or the lower surface of the base, and the inclined fitting surface is gradually inclined from the inner side to the outer side. The fan blade assembly is mutually attached to the inclined fitting surface and is rotatably arranged relative to the base.

[0006] Preferably, the fan blade assembly includes a fan blade body and a fixing seat. The fixing seat is mutually attached to and fixedly connected with the inclined fitting surface. The fan blade body is attached to the fixing seat and is rotatably arranged relative thereto. A torsion spring is connected between the fixing seat and the fan blade body.

[0007] Preferably, a hollow shaft penetrating up and down is provided on the fixed seat, a rotating connection part is provided on the fan blade body, a first shaft hole is provided on the rotating connection part, a second shaft hole is provided on the base, the first shaft hole, the hollow shaft and the second shaft hole are coaxially arranged, and a first bolt is inserted in the first shaft hole, the hollow shaft and the second shaft hole, and a locking nut is connected to the other end of the first bolt.

[0008] Preferably, the torsion spring is sleeved on the hollow shaft and is connected to the rotating connection part at one end and to the fixed seat at the other end.

[0009] Preferably, an arc-shaped track groove coaxially arranged with the hollow shaft is provided on the fixed seat, and a track limiting rod is provided on the fan blade body, and the track limiting rod is movably inserted in the arc-shaped track groove.

[0010] Preferably, a first plugging and matching part is provided on the inclined fitting surface, and a second plugging and matching part for plugging and matching with the first plugging and matching part is provided on the fixed seat.

[0011] Preferably, the first plugging and matching part is a jack provided on the inclined fitting surface, and the second plugging and matching part is a plug post provided on the fixed seat.

[0012] Preferably, a first connection hole is provided on the base inside the inclined fitting surface, the fixed seat is provided with a second connection hole communicating with the first connection hole, and a second bolt is inserted in the second connection hole, and the second bolt is threadedly connected to the second connection hole.

[0013] A fan lamp includes a hanging rod, the hanging rod is connected with an outer rotor motor, the rotor part of the outer rotor motor is connected with a base, multiple groups of fan blade assemblies are arranged on the base, the stator part of the outer rotor motor is connected with a lighting lamp, an inclined fitting surface is provided on the upper surface or the lower surface of the base, the inclined fitting surface is gradually inclined from the inside to the outside, and the fan blade assemblies are mutually attached to the inclined fitting surface and are rotatably arranged relative to the base.

[0014] Compared with the prior art, the utility model includes a base and a fan blade assembly. An inclined fitting surface is provided on the upper surface or the lower surface of the base. The inclined fitting surface is gradually inclined from the inside to the outside. The fan blade assembly is in mutual fit with the inclined fitting surface and is rotatably arranged relative to the base. By providing the inclined fitting surface and making the fan blade assembly fit with it, when the fan blade assembly rotates and unfolds, with the inclination change of the inclined fitting surface, the inclination angle of the fan blade assembly will also change accordingly. The utility model realizes that the fan blade assembly can be in an inclined state after unfolding. During production and processing, only an inclined surface needs to be stamped on the base, and the shape of the fan blade itself does not need to be changed, which is convenient for processing and production and meets the production requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 FIG. is a three-dimensional structural diagram of a fan light;

[0016] Figure 2 FIG. is a sectional structural diagram of a fan light;

[0017] Figure 3 is Figure 2 an enlarged structural diagram at A in FIG.;

[0018] Figure 4 FIG. is a schematic diagram of the fan blades unfolding;

[0019] Figure 5 FIG. is a three-dimensional structural diagram of the base;

[0020] Figure 6 FIG. is a three-dimensional structural diagram of the fan blade body;

[0021] Figure 7 FIG. is one of the three-dimensional structural diagrams of the fixing seat;

[0022] Figure 8 FIG. is the other three-dimensional structural diagram of the fixing seat;

[0023] Figure 9 FIG. is a connection diagram of the fixing seat and the base. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes the present utility model in conjunction with the drawings and embodiments.

[0025] See Figures 1 - 9, A connection structure of a fan blade, comprising a base 10 and a fan blade assembly 20. An inclined fitting surface 110 is provided on the upper surface or the lower surface of the base 10. The inclined fitting surface 110 is gradually inclined from the inside to the outside. The fan blade assembly 20 is in mutual fit with the inclined fitting surface 110 and is rotatably arranged relative to the base 10. The present utility model realizes that the fan blade assembly can be in an inclined state after being unfolded. During production and processing, only an inclined surface needs to be stamped on the base, and the shape of the fan blade itself does not need to be changed, which is convenient for processing and production and meets the production requirements.

[0026] See Figure 4 , The inclined fitting surface 110 is gradually inclined upward from the inside to the outside.

[0027] See Figure 3 , The fan blade assembly 20 includes a fan blade body 210 and a fixing seat 220. The fixing seat 220 is in mutual fit with the inclined fitting surface 110 and is fixedly connected to each other. The fan blade body 210 is in fit with the fixing seat 220 and is rotatably arranged relative to it. A torsion spring 250 is connected between the fixing seat 220 and the fan blade body 210. The function of the torsion spring 250 is to make the fan blade body 210 in a stored state when the base 10 does not rotate. When the base 10 rotates, under the action of centrifugal force, the fan blade body 210 unfolds outward. When the rotation stops, the torsion spring 250 will drive the fan blade body 210 to completely retract to the stored state.

[0028] See Figure 3 , A hollow shaft 221 penetrating up and down is provided on the fixing seat 220. A rotating connection part 200 is provided on the fan blade body 210. A first shaft hole 211 is provided on the rotating connection part 200. A second shaft hole 120 is provided on the base 10. The first shaft hole 211, the hollow shaft 221 and the second shaft hole 120 are coaxially arranged. A first bolt 230 is inserted into the first shaft hole 211, the hollow shaft 221 and the second shaft hole 120. The other end of the first bolt 230 is connected with a locking nut 240.

[0029] Such as Figure 3As shown, the inclined fitting surface 110 is provided on the upper surface of the base 10. During assembly, the lower surface of the fixed seat 220 fits with the inclined fitting surface 110, the lower surface of the rotating connection part 200 is connected to the upper surface of the fixed seat 220, and the torsion spring is installed between the fan blade body 210 and the fixed seat 220 and connected to each other. Then, the first bolt 230 is inserted from top to bottom, and a locking nut 240 is connected to the lower end of the first bolt 230. The lower end surface of the first bolt 230 abuts against the upper surface of the rotating connection part 200, and the locking nut 240 fits with the lower surface of the base 10. To realize the cooperation between the locking nut 240 and the first bolt 230 to restrict the up and down positions of the fan blade body 210, the fixed seat 220, and the base 10. During the unfolding and retracting process of the fan blade body 210, the fan blade body 210 rotates relative to the fixed seat 220 with the first bolt 230 as the axis.

[0030] In the present utility model, the torsion spring 250 is sleeved on the hollow shaft 221 and one end is connected to the rotating connection part 200 and the other end is connected to the fixed seat 220.

[0031] See Figure 6 and Figure 7 , an arc-shaped track groove 224 coaxial with the hollow shaft 221 is provided on the fixed seat 220, a track limiting rod 260 is provided on the fan blade body 210, and the track limiting rod 260 is movably inserted into the arc-shaped track groove 224.

[0032] In the present utility model, the cooperation between the track limiting rod 260 and the arc-shaped track groove 224 can restrict the rotation angle of the fan blade body 210.

[0033] See Figures 5 to 8 , a first plug-in cooperation part is provided on the inclined fitting surface 110, and a second plug-in cooperation part that is plugged and cooperated with the first plug-in cooperation part is provided on the fixed seat 220. The mutual plugging of the first plug-in cooperation part and the second plug-in cooperation part can restrict the fixed seat 220 so that it cannot rotate relative to the base 10.

[0034] For the assembly embodiment of the fixed seat 220 and the base 10, the first plug-in cooperation part is a jack 130 provided on the inclined fitting surface 110, and the second plug-in cooperation part is a plug post 223 provided on the fixed seat 220.

[0035] See Figures 7 to 9, a first connection hole 140 is provided on the base 10 within the inclined fitting surface 110. The fixed seat 220 is provided with a second connection hole 222 that communicates with the first connection hole 140. A second bolt 70 is inserted into the second connection hole 222, and the second bolt 70 is threadedly connected to the second connection hole 222. By using the second bolt 70 for connection, it can restrict the fixed seat 220 from rotating relative to the base 10 and can also restrict the vertical position of the fixed seat 220 and the base 10 to prevent the two from separating.

[0036] See Figures 1 - 8 , a fan light, comprising a suspension rod 60. The suspension rod 60 is connected to an external rotor motor 40. The rotor part of the external rotor motor 40 is connected to a base 10. A plurality of fan blade assemblies 20 are provided on the base 10. The stator part of the external rotor motor 40 is connected to a lighting lamp. It is characterized in that: an inclined fitting surface 110 is provided on the upper surface or the lower surface of the base 10. The inclined fitting surface 110 is gradually inclined from the inside to the outside. The fan blade assembly 20 is mutually fitted with the inclined fitting surface 110 and is rotatably arranged relative to the base 10.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation to the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features.

[0038] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A fan blade connection structure, comprising a base (10) and a fan blade assembly (20), characterized in that: The upper surface or the lower surface of the base (10) is provided with an inclined fitting surface (110), and the inclined fitting surface (110) is gradually inclined from the inside to the outside, and the fan blade assembly (20) and the inclined fitting surface (110) are mutually fitted and rotatably arranged relative to the base (10).

2. A fan blade connection structure according to claim 1, characterized in that: The fan blade assembly (20) includes a fan blade body (210) and a fixing seat (220), wherein the fixing seat (220) and the inclined fitting surface (110) fit each other and are fixedly connected to each other, the fan blade body (210) and the fixing seat (220) fit each other and are relatively rotatable, and the fixing seat (220) and the fan blade body (210) are connected to each other by a torsion spring (250).

3. A fan blade connection structure according to claim 2, characterized in that: The fixing seat (220) is provided with a hollow shaft (221) passing through the fixing seat (220) from top to bottom, the fan blade body (210) is provided with a rotating connection part (200), the rotating connection part (200) is provided with a first axial hole (211), the base (10) is provided with a second axial hole (120), the first axial hole (211), the hollow shaft (221) and the second axial hole (120) are coaxially arranged with each other, a first bolt (230) is passed through the first axial hole (211), the hollow shaft (221) and the second axial hole (120), and the other end of the first bolt (230) is connected with a locking nut (240).

4. A fan blade connection structure according to claim 3, characterized in that: The torsion spring (250) is sleeved on the hollow shaft (221) and has one end connected to the rotating connection part (200) and the other end connected to the fixing seat (220).

5. A fan blade connection structure according to claim 3 or 4, characterized in that: The fixing seat (220) is provided with an arc-shaped track groove (224) coaxially arranged with the hollow shaft (221), and the fan blade body (210) is provided with a track limiting rod (260), and the track limiting rod (260) is movably inserted in the arc-shaped track groove (224).

6. A fan blade connection structure according to any one of claims 2 to 4, characterized in that: The inclined fitting surface (110) is provided with a first plug-in fitting portion, and the fixing seat (220) is provided with a second plug-in fitting portion that is plug-fitted with the first plug-in fitting portion.

7. A fan blade connection structure according to claim 6, characterized in that: The first plug-in fitting portion is a plug hole (130) arranged on the inclined fitting surface (110), and the second plug-in fitting portion is a plug post (223) arranged on the fixing seat (220).

8. The fan blade connection structure according to claim 6, characterized in that: A first connecting hole (140) is provided on the base (10) within the inclined fitting surface (110), and the fixing seat (220) is provided with a second connecting hole (222) which is interconnected with the first connecting hole (140), and a second bolt (70) is passed through the second connecting hole (222), and the second bolt (70) is threadedly connected to the second connecting hole (222).

9. The fan blade connection structure according to claim 1, characterized in that: The inclined fitting surface (110) is arranged to be gradually inclined upward from the inside to the outside.

10. A fan lamp, comprising a suspension rod (60), the suspension rod (60) being connected to an outer rotor motor (40), the rotor portion of the outer rotor motor (40) being connected to a base (10), a plurality of groups of fan blade assemblies (20) being arranged on the base (10), the stator portion of the outer rotor motor (40) being connected to a lighting lamp, characterized in that: The upper surface or the lower surface of the base (10) is provided with an inclined fitting surface (110), and the inclined fitting surface (110) is gradually inclined from the inside to the outside, and the fan blade assembly (20) and the inclined fitting surface (110) are mutually fitted and rotatably arranged relative to the base (10).

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