Ceiling fan with fan blades convenient to install

Abstract

The utility model discloses a ceiling fan with fan blades convenient to install. The motor is mounted below the hanging bracket; the rotating disc is connected with the motor and driven by the motor, a plurality of inserting grooves are formed in the peripheral wall of the rotating disc, and screw holes are formed in the rotating disc; the fan blades are inserted into the insertion grooves, and limiting grooves are formed in the roots of the fan blades; the pressing plate is connected to the fan blades in a pressing mode, a limiting buckle is arranged on the pressing plate, and the limiting buckle is located in the limiting groove so as to limit radial displacement of the fan blades; and the hand screwing bolt penetrates through the pressing plate and then is connected with the screw hole, so that the pressing plate is fixed on the turntable. The structure is simple, and the fan blades are convenient and fast to install.

Description

Technical Field

[0001] The utility model relates to a ceiling fan, in particular to a ceiling fan with conveniently installed fan blades. Background Art

[0002] Ceiling fans are hung on the ceiling to supply air. They do not occupy floor space and are widely used. Ceiling fans generally include a motor that drives a turntable to rotate. A number of fan blades are inserted on the turntable. For the convenience of storage and transportation, the fan blades and the turntable are unpacked. After purchase, users need to assemble the fan blades and the turntable by themselves, and then hang the ceiling fan on the ceiling.

[0003] There are generally two ways to fix the existing fan blades and turntable: 1. The fan blades are locked and fixed to the turntable by multiple screws. This structure requires users to prepare special screwdriver tools, and each fan blade requires multiple screws to ensure a reliable connection. The operation of multiple screws is labor-intensive. A ceiling fan has at least 3 fan blades. At least ten screws need to be tightened to install all the fan blades. For users, the installation of the fan blades is too troublesome; 2. Automatic locking mechanism. During assembly, the fan blades are directly inserted into the slots of the turntable, triggering the automatic locking mechanism in the turntable to lock the fan blades. Although this structure is indeed convenient for users to install, the automatic locking mechanism is complex, costly, and easy to damage.

[0004] For this reason, it is necessary to improve and optimize the existing ceiling fans. Utility Model Content

[0005] The utility model aims to solve at least one of the problems in the prior art. To this end, the utility model provides a ceiling fan with conveniently installed fan blades, a simple structure, and convenient and quick installation of the fan blades.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] A ceiling fan with easy-to-install fan blades, comprising:

[0008] Hanger;

[0009] A motor, installed below the hanger;

[0010] A turntable is connected to the motor and driven by the motor. A plurality of slots are formed on the outer peripheral wall of the turntable. A screw hole is arranged inside the turntable.

[0011] The fan blade is inserted into the slot, and a limiting groove is provided at the root of the fan blade;

[0012] A pressure plate, pressed on the fan blade, a limit buckle is provided on the pressure plate, and the limit buckle is located in the limit groove to limit the radial displacement of the fan blade;

[0013] The hand-tightened bolts penetrate through the pressing plate and are connected with the screw holes to fix the pressing plate on the turntable.

[0014] Optionally, the pressure plate is a U-shaped plate, including a bottom plate and side plates arranged on both sides of the bottom plate, the limiting buckle is arranged on the bottom plate or the side plate, and the limiting groove is arranged on both side edges of the fan blade.

[0015] Optionally, the side panel comprises a first side panel and a second side panel, the opening between the first side panels is larger than the opening between the second side panels, and the second side panels are provided with guide slopes.

[0016] Optionally, a pad is also included. When the fan blade is not installed, the pad is located between the pressure plate and the turntable, so that an escape space is formed between the pressure plate and the turntable; when the fan blade is inserted into the escape space, the fan blade pushes the pad out.

[0017] Optionally, a avoidance groove is provided at the root of the fan blade, and the avoidance groove is used to avoid the hand-tightened bolt.

[0018] Optionally, the number of groups of the limiting grooves and limiting buckles is two or more.

[0019] Optionally, a gasket is provided between the hand-tightening bolt and the pressure plate.

[0020] Optionally, the hand-tightening bolt includes a screw rod and a hand-tightening portion fixed on the screw rod, and the hand-tightening portion is a round cap, a polygonal cap or a horn head.

[0021] Optionally, the motor includes a motor shaft, to which a lighting assembly is connected and fixed, and the ceiling fan forms a ceiling fan lamp.

[0022] The utility model has at least one of the following beneficial effects: the utility model embodiment provides a pressure plate, which is crimped onto the fan blades, and a limiting buckle is provided on the pressure plate, and the limiting buckle is located in the limiting groove of the fan blades to limit the radial displacement of the fan blades; the hand-tightening bolt passes through the pressure plate and is connected with the screw hole in the turntable to fix the pressure plate on the turntable. During installation, the user only needs to crimp the pressure plate onto the fan blades and manually tighten the hand-tightening bolt. The fan blades will not radially separate from the turntable under the cooperation of the limiting groove and the limiting buckle, and the method of manually fixing the fan blades by driving multiple screws in the prior art is abandoned, thereby reducing the labor of users when installing the fan blades. Compared with the existing automatic locking structure, the structure described in the utility model embodiment is simpler and has lower cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of a ceiling fan in an embodiment of the utility model (only one fan blade is drawn);

[0024] Figure 2It is a schematic diagram of the assembly structure of the fan blades in the rotating disk in the embodiment of the utility model;

[0025] Figure 3 yes Figure 2 A schematic diagram of the three-dimensional structure of the bottom surface;

[0026] Figure 4 It is a schematic diagram of the assembly structure of the fan blade and the pressure plate in the embodiment of the utility model;

[0027] Figure 5 It is a three-dimensional structural schematic diagram of a turntable in an embodiment of the utility model;

[0028] Figure 6 yes Figure 5 A schematic diagram of the three-dimensional structure of the bottom surface;

[0029] Figure 7 It is a three-dimensional structural schematic diagram of a pressing plate in an embodiment of the utility model;

[0030] Figure 8 yes Figure 7 Schematic diagram from another angle;

[0031] Fig. 9 It is a three-dimensional structural schematic diagram of a hand-tightened bolt in an embodiment of the utility model;

[0032] Fig.10 It is a schematic diagram of the three-dimensional structure in which the pressing plate is pre-installed on the rotating disk in the embodiment of the utility model (there is a cushion block between the pressing plate and the rotating disk);

[0033] Fig.11 yes Fig.10 The schematic diagram of the structure when the fan blades are inserted in the pre-installed state is shown.

[0034] Description of Figure Numbers:

[0035] 1- hanger, 2- turntable, 21- slot, 22- screw hole, 3- fan blade, 31- limit slot, 32- avoidance slot, 4- pressure plate, 41- limit buckle, 42- bottom plate, 43- side plate, 431- first side plate, 432- second side plate, 44- guide slope, 5- manual bolt, 51- screw rod, 52- hand-tightening part, 6- pad, 7- gasket, 8- lighting assembly, A- avoidance space. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the utility model more clear, the embodiments of the utility model will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features in the embodiments described below can be combined with each other arbitrarily without conflict.

[0037] Many different implementations or examples are provided below to implement the structure of the present utility model.

[0038] See also Figure 1-Figure 11 The utility model is a ceiling fan with easy installation of fan blades, comprising a hanger 1, which is fixed on the ceiling. The specific structure is a well-known technology. The motor is installed below the hanger 1, and the motor is covered by a decorative cover and is not visible; the turntable 2 is connected to the motor and driven by the motor. Specifically, in this embodiment, the motor is an outer rotor motor, and the turntable 2 is connected and fixed to the outer rotor. A slot 21 is formed on the outer peripheral wall of the turntable 2, and there are multiple slots 21. The turntable 2 is provided with a screw hole 22; the fan blade 3 is inserted into the slot 21. A limiting groove 31 is provided at the root of the blade 3; a pressure plate 4 is crimped onto the fan blade 3, and a limiting buckle 41 is provided on the pressure plate 4, and the limiting buckle 41 is located in the limiting groove 31 to limit the radial displacement of the fan blade 3; a hand-tightening bolt 5 passes through the pressure plate 4 and is connected to the screw hole 22 to fix the pressure plate 4 on the turntable 2, and the hand-tightening bolt 5 includes a screw rod 51 and a hand-tightening portion 52 fixed on the screw rod 51, and the hand-tightening portion 52 is a round cap, a polygonal cap or a horn head, wherein the screw rod 51 passes through the pressure plate 4 and is connected to the screw hole 22.

[0039] See Figure 3 , Figure 7 and Figure 8 As shown, in some embodiments of the utility model, the pressure plate 4 is a U-shaped plate, including a bottom plate 42 and side plates 43 arranged on both sides of the bottom plate 42, the limiting buckle 41 is arranged on the bottom plate 42 or the side plate 43, and the limiting groove 31 is arranged on both side edges of the fan blade 3. The setting of the side plate 43 can form circumferential limitations on both sides of the root of the fan blade to prevent the fan blade 3 from circumferentially shaking when rotating.

[0040] See Figure 7 and Figure 8 As shown, in some embodiments of the utility model, the side panel 43 includes a first side panel 431 and a second side panel 432, and the first side panel 431 and the second side panel 432 each have two left and right panels, and the opening between the two first side panels 431 is larger than the opening between the second side panels 432, and a guide slope 44 is provided on the second side panel 432. Thus, when the fan blades are inserted from the radial direction, it is convenient for the fan blades to be inserted into the opening between the first side panels 431, and inserted into the opening between the second side panels 432 under the guidance of the guide slope 44, and the second side panel 432 can form a good abutment limit on both sides of the fan blades in the circumferential direction.

[0041] See Fig.10 and Fig.11As shown, in some embodiments of the present invention, a cushion block 6 is further included. When the fan blade 3 is not installed, the cushion block 6 is located between the pressure plate 4 and the turntable 2, so that an escape space A is formed between the pressure plate 4 and the turntable 2; when the fan blade 3 is inserted into the escape space A, the fan blade 3 pushes the cushion block 6 out. This structure allows the pressure plate 4 to be pre-installed on the turntable 2 (such as Fig.10 As shown in FIG. 1 , due to the presence of the cushion block 6, the pressure plate 4 will not be pressed against or too close to the turntable 2 after pre-installation. The thickness of the cushion block 6 is the same as or slightly larger than the thickness of the root of the fan blade. Therefore, the height of the avoidance space A between the pressure plate 4 and the turntable 2 is just enough to allow the fan blade 3 to be inserted. For details, see Fig.11 As shown, when the fan blade 3 is inserted into the slot 21 on the turntable 2 and continues to be pushed inward, the root of the fan blade 3 will push out the pad 6, wherein the two dotted arrows respectively indicate the pushing direction of the fan blade and the pushing direction of the pad 6. The pad 6 can be discarded after it falls off. Therefore, the user only needs to do two actions: insert the fan blade 3 and tighten the hand bolt 5 to complete the connection and fixation of the fan blade 3 on the turntable 2.

[0042] For the structure without the cushion block 6, the installation of the fan blade is as follows: insert the fan blade 3 into the slot 21 and push it inward to the position, then place the pressure plate 4 at the root of the fan blade 3, so that the limit buckle 41 on the pressure plate 4 is inserted into the limit groove 31 of the fan blade 3, and then tighten the hand bolt 5. Therefore, the provision of the cushion block 6 reduces the installation steps of the pressure plate 4 on the turntable 2, making the installation of the fan blade simpler and more efficient.

[0043] See Fig.11 As shown, in order to avoid the hand-tightening bolt 5, an avoidance groove 32 can be provided at the root of the blade 3, so that when the pressure plate 4 is pre-installed on the turntable 2 using the cushion block 6, the insertion of the blade 3 will not be blocked by the hand-tightening bolt 5. It is understandable that the root of the blade 3 can also be divided into two to avoid the hand-tightening bolt 5.

[0044] In order to improve the limiting fixation of the fan blades, in some embodiments of the present utility model, the number of groups of the limiting grooves 31 and the limiting buckles 41 is two or more, such as Fig.11 As shown, two groups are selected in this embodiment.

[0045] In order to prevent the hand-tightening bolt 5 from loosening when the ceiling fan is working, in some embodiments of the utility model, a gasket 7 is provided between the hand-tightening bolt 5 and the pressing plate 4 .

[0046] The ceiling fan of the embodiment of the utility model can be a ceiling fan for blowing air only, or a lighting assembly 8 can be connected and fixed to the motor shaft of the motor, and the ceiling fan forms a ceiling fan lamp, integrating blowing air and lighting.

[0047] From the above structural analysis, it can be known that the embodiment of the utility model sets a pressure plate 4, which is crimped onto the fan blade 3, and a limiting buckle 41 is set on the pressure plate 4, and the limiting buckle 41 is located in the limiting groove 31 of the fan blade 3 to limit the radial displacement of the fan blade 3; the hand-tightening bolt 5 passes through the pressure plate 4 and is connected with the screw hole 22 in the turntable 2 to fix the pressure plate 4 on the turntable 2. During installation, the user only needs to crimp the pressure plate 4 onto the fan blade 3 and manually tighten the hand-tightening bolt 5. The fan blade 3 will not radially separate from the turntable 2 under the cooperation of the limiting groove 31 and the limiting buckle 41, and the method of fixing the fan blade by hand with multiple screws in the prior art is abandoned, thereby reducing the labor of the user when installing the fan blade. Compared with the existing automatic locking structure, the structure described in the embodiment of the utility model is simpler and has lower cost.

[0048] The embodiments of the utility model are described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the utility model.

Claims

1. A ceiling fan with easy-to-install fan blades, characterized in that: include: Hanger; A motor is installed below the hanger; A turntable is connected to the motor and driven by the motor. A plurality of slots are formed on the outer peripheral wall of the turntable. A screw hole is arranged inside the turntable. The fan blade is inserted into the slot, and a limiting groove is provided at the root of the fan blade; A pressure plate, pressed on the fan blade, a limit buckle is provided on the pressure plate, and the limit buckle is located in the limit groove to limit the radial displacement of the fan blade; The hand-tightened bolts penetrate through the pressing plate and are connected with the screw holes to fix the pressing plate on the turntable.

2. A ceiling fan with easy-to-install fan blades according to claim 1, characterized in that: The pressure plate is a U-shaped plate, including a bottom plate and side plates arranged on both sides of the bottom plate, the limiting buckles are arranged on the bottom plate or the side plates, and the limiting grooves are arranged on both side edges of the fan blades.

3. A ceiling fan with easy-to-install fan blades according to claim 2, characterized in that: The side plate comprises a first side plate and a second side plate, the opening between the first side plates is larger than the opening between the second side plates, and the second side plate is provided with a guiding inclined surface.

4. A ceiling fan with easy-to-install fan blades according to any one of claims 1 to 3, characterized in that: It also includes a cushion block. When the fan blade is not installed, the cushion block is located between the pressure plate and the turntable, so that an escape space is formed between the pressure plate and the turntable; when the fan blade is inserted into the escape space, the fan blade pushes the cushion block out.

5. A ceiling fan with easy-to-install fan blades according to claim 4, characterized in that: The root of the fan blade is provided with an avoidance groove, and the avoidance groove is used to avoid the hand-tightening bolt.

6. A ceiling fan with easy-to-install fan blades according to any one of claims 1 to 3, characterized in that: The number of groups of the limiting grooves and limiting buckles is two or more.

7. A ceiling fan with easy-to-install fan blades according to any one of claims 1 to 3, characterized in that: A gasket is arranged between the hand-tightening bolt and the pressing plate.

8. A ceiling fan with easy-to-install fan blades according to any one of claims 1 to 3, characterized in that: The hand-tightening bolt comprises a screw rod and a hand-tightening portion fixed on the screw rod, and the hand-tightening portion is a round cap, a polygonal cap or a horn head.

9. A ceiling fan with easy-to-install fan blades according to any one of claims 1 to 3, characterized in that: The motor comprises a motor shaft, a lighting assembly is connected and fixed to the motor shaft, and the ceiling fan forms a ceiling fan lamp.

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