CN211082379U

CN211082379U - Fan blade mounting disc, fan blade mounting structure and ceiling fan

Info

Publication number: CN211082379U
Application number: CN201921675047.2U
Authority: CN
Inventors: 张建生; 袁智强
Original assignee: Foshan Carro Electrical Co Ltd
Current assignee: Foshan Carro Electrical Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-07-24
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to a flabellum mounting disc, flabellum mounting structure and ceiling fan. Wherein, this flabellum mounting disc is including being used for being connected fixed installation department with the flabellum, the installation department have with the installation face that the sector of flabellum was laminated mutually, the installation face is in be from the cambered surface setting of both sides to middle hunch-up on the width direction of flabellum. The utility model discloses a flabellum mounting disc can play fine supporting role to the flabellum, prevents effectively that the flabellum from collapsing down.

Description

Fan blade mounting disc, fan blade mounting structure and ceiling fan

Technical Field

The utility model relates to a ceiling fan technical field especially relates to a flabellum mounting disc, flabellum mounting structure and ceiling fan.

Background

The ceiling fan is an electric fan fixedly installed on a ceiling, has the advantages of energy conservation, convenience, practicability and the like, and is widely popular with consumers. When the fan blades are installed, the plurality of fan blades can be connected and fixed on the fan blade installation disc, and then the fan blade installation disc is fixedly connected with the rotor of the motor. Traditional flabellum mounting disc is weaker to the support intensity of flabellum, and the flabellum after the assembly collapses easily.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a fan blade mounting plate, a fan blade mounting structure and a ceiling fan for solving the above problems, wherein the fan blade mounting plate can well support the fan blade and effectively prevent the fan blade from collapsing.

The utility model provides a flabellum mounting disc is including being used for being connected fixed installation department with the flabellum, the installation department have with the installation face that the sector of flabellum was laminated mutually, the installation face is in be from the cambered surface setting of both sides to middle hunch-up on the width direction of flabellum.

Foretell flabellum mounting disc passes through the installation department and is connected fixedly with the flabellum, and the cambered surface setting is personally submitted in the installation of installation department, can play fine supporting role to the flabellum, and after the sector of flabellum is fixed with the installation face laminating, can make and originally be planar flabellum and produce certain radian to make the structure of flabellum strengthened, prevent effectively that the flabellum from collapsing down.

In one embodiment, the fan blade mounting disc further comprises a disc body used for being fixedly connected with a rotor of a motor, at least two mounting portions are arranged at intervals in the circumferential direction of the disc body, and each mounting portion is fixedly locked with the corresponding fan blade through a fastener.

In one embodiment, the mounting surface is provided with a positioning column, the positioning column is used for being inserted into a mounting hole of the fan blade, and the positioning column is provided with a connecting hole matched with the fastener.

In one embodiment, a nut is embedded in the positioning column, the inner threaded hole of the nut forms the connecting hole, the fastener comprises a screw matched with the nut and a gasket sleeved on the screw, and a fixing head of the screw is pressed against the mounting surface through the gasket.

In one embodiment, the mounting surface is obliquely arranged relative to the horizontal surface, and the axis of the connecting hole is perpendicular to the mounting surface.

In one embodiment, a flange is arranged on one side of any one of the mounting parts, which is close to the other adjacent mounting part.

In one embodiment, the fan blade mounting plate is made of BMC (bulk molding compound); or the fan blade mounting disc is made of engineering plastics and glass fiber composite materials.

The fan blade mounting structure comprises a plurality of fan blades and the fan blade mounting disc, wherein the fan blades are connected to the periphery of the fan blade mounting disc at intervals.

In one embodiment, a notch groove is formed in the middle of the connecting end of the fan blade, connecting arms fixedly connected with the fan blade mounting disc are formed in the positions, located on the two sides of the notch groove, of the fan blade respectively, and mounting holes for fasteners to penetrate through are formed in the connecting arms.

A ceiling fan comprises the fan blade mounting structure.

Drawings

Fig. 1 is a schematic structural view of a fan blade mounting plate according to an embodiment of the present invention in a first state;

FIG. 2 is a structural schematic view of the blade mounting plate of FIG. 1 in a second state;

FIG. 3 is a structural view of the blade mounting plate of FIG. 1 in a third state;

fig. 4 is a schematic view of a fan blade mounting structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of the fan blade mounting structure and the motor of FIG. 4;

fig. 6 is a schematic view of a ceiling fan according to an embodiment of the present invention.

10. The fan blade mounting plate comprises a fan blade mounting plate body, 11, a mounting portion, 101, a mounting surface, 111, a first plate body, 112, a second plate body, 113, a positioning column, 1131, a connecting hole, 114, a flanging, 12, a plate body, 121, a mounting hole, 122, an avoiding hole, 123, a flanging, 124, a cavity, 20, a fan blade, 21, a notch groove, 22, a connecting arm, 30, a fastener, 40, a motor, 41, a rotor, 42, a stator, 43, a main shaft, 50, a hanging cup, 60, a hanging rod, 70 and a lamp.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," and the like are used herein for illustrative purposes only. In the present invention, the terms "first" and "second" do not denote any particular quantity or order, but are merely used to distinguish names.

Referring to fig. 1 and 4, a fan blade mounting plate 10 includes a mounting portion 11 for connecting and fixing with a fan blade 20, the mounting portion 11 has a mounting surface 101 attached to a fan surface of the fan blade 20, and as shown in fig. 2, the mounting surface 101 is an arc surface that is arched from two sides to a middle in a width direction of the fan blade 20.

Foretell flabellum mounting disc 10 is connected fixedly with flabellum 20 through installation department 11, and the installation face 101 of installation department 11 is the cambered surface setting, can play fine supporting role to flabellum 20, and after the sector of flabellum 20 was laminated fixedly with installation face 101, can make and originally be planar flabellum 20 and produce certain radian to make the structure of flabellum 20 strengthened, effectively prevent that flabellum 20 from collapsing.

In order to guarantee structural strength and the life of flabellum mounting disc, traditional flabellum mounting disc adopts die-casting aluminum alloy material to make more, and manufacturing cost is higher. The utility model discloses a flabellum mounting disc 10 is preferred to be made by adopting the BMC material. Specifically, the BMC is unsaturated polyester bulk molding compound, is suitable for molding by processes such as die pressing, transfer molding and injection molding, and has good mechanical property, high dimensional stability, good surface smoothness and good corrosion resistance. The fan blade mounting disc 10 made of BMC can well guarantee structural strength and service life, is cheaper than aluminum alloy, and can effectively save production cost. Certainly, the fan blade mounting plate 10 can also be made of a composite material of engineering plastic and glass fiber, for example, polypropylene resin (PP) and glass fiber, polyoxymethylene resin (POM) and glass fiber, or nylon and glass fiber can be used, so that the product has high structural strength, and the production cost can be effectively saved.

Referring to fig. 1 and 5, in one embodiment, the blade mounting plate 10 further includes a plate body 12 for connecting and fixing with a rotor 41 of a motor 40, at least two mounting portions 11 are circumferentially spaced on the plate body 12, and each mounting portion 11 is fastened and fixed with a corresponding blade 20 through a fastener 30. The number of the fan blades 20 can be set according to actual requirements, for example, the number of the fan blades 20 can be 2, 3 or more, and the number of the mounting portions 11 corresponds to the number of the fan blades 20. For example, as shown in fig. 5, the number of the fan blades 20 is 3, and accordingly, 3 mounting portions 11 are provided in the circumferential direction of the tray body 12. The disc body 12 is fixedly connected to a rotor 41 of the motor 40, and when the motor 40 operates, the rotor 41 drives the fan blade mounting disc 10 and the fan blades 20 to rotate together. Preferably, the plurality of mounting portions 11 are uniformly distributed along the circumferential direction of the blade mounting disk 10 at intervals to ensure the rotational stability of the blade mounting disk 10 and the blades 20.

In an embodiment, referring to fig. 1 and 2, the mounting portion 11 includes a first plate 111 bent and extended upward from the periphery of the tray 12, and a second plate 112 connected to the top of the first plate 111, the second plate 112 is bent and extended in a direction away from the central axis of the tray 12, and the top surface of the second plate 112 forms the mounting surface 101. The first plate 111 and the disc body 12 enclose to form a receiving cavity with an open top, the rotor 41 of the motor 40 can be received in the receiving cavity, and the disc body 12 is correspondingly provided with an assembling hole 121 for fixedly connecting with the rotor 41. The second plate 112 and the horizontal plane form a certain inclination angle, so that the fan blade 20 can generate a certain inclination angle after being installed, thereby ensuring the air supply effect.

Further, as shown in fig. 2, the first plate 111 is inclined at a certain angle from bottom to top toward a side away from the central axis of the tray body 12. After the fan blades 20 are fixed on the second plate 112, the second plate 112 transmits the vertical acting force to the first plate 111, and the acting force can be decomposed into forces in two directions by the first plate 111, so as to prevent the first plate 111 from breaking due to the overlarge vertical bearing force, and ensure that the fan blade mounting disk 10 can better support. The bending parts of the first plate 111 and the second plate 112 adopt arc-shaped chamfer smooth transition, so that stress concentration can be avoided, the structural strength of the fan blade mounting disc 10 is further improved, and the service life is prolonged.

In addition, the middle portion of the disc body 12 is further provided with an avoiding hole 122, and the avoiding hole 122 is used for avoiding a bearing or a rotor shell of the motor 40 when the disc body 12 is connected with the rotor 41. Fig. 3 is a schematic view of the bottom surface of the fan blade mounting disk 10 in fig. 1 after being turned over, and as shown in fig. 3, the peripheral edge of the avoiding hole 122 is provided with a flanging 123, and the flanging 123 can improve the structural strength of the disk body 12, and plays a role of a reinforcing rib. Preferably, the assembly holes 121 are multiple, and the multiple assembly holes 121 are distributed along the circumferential direction of the avoiding hole 122, so as to improve the assembly stability between the disc body 12 and the rotor 41, and further improve the stability when the fan blade 20 rotates.

Furthermore, the middle part of the bottom surface of the tray body 12 is also provided with a concave cavity 124 which is concave upwards, and the concave cavity 124 can be used for accommodating other mounting structures (such as a fixing seat of the lamp 70) of the ceiling fan, so that the whole structure of the ceiling fan is more compact; in addition, the bottom surface of the tray body 12 may be formed in a stepped structure, and the structure of the tray body 12 may be reinforced.

Referring to fig. 1 again, in order to facilitate positioning and installation of the fan blade 20, in one embodiment, the installation surface 101 is provided with a positioning column 113, the positioning column 113 is used for being inserted into an installation hole of the fan blade 20, and the positioning column 113 is provided with a connecting hole 1131 matched with the fastener 30. During assembly, the mounting hole of the fan blade 20 is aligned with the positioning column 113 and then sleeved with the positioning column 113, so that the fan surface of the fan blade 20 is attached to the mounting surface 101, the fastening piece 30 penetrates through the connecting hole 1131 and is locked, the fan blade 20 and the mounting portion 11 can be assembled into a whole, the operation is simple and convenient, and the quick and accurate mounting of the fan blade 20 can be realized. In order to ensure the installation reliability, the number of the installation holes and the positioning pillars 113 may be set to two or more.

For example, as shown in fig. 1 and 4, two mounting holes are provided on fan blade 20, and correspondingly, two positioning posts 113 are provided on mounting surface 101. In addition, since the mounting surface 101 is provided with the arc surfaces of which both sides are low and the middle is high in the width direction of the fan blade 20, in order to make the fan blade 20 better fit with the mounting surface 101, the mounting hole of the fan blade 20 is provided at a position close to the edge in the width direction of the fan blade 20, and accordingly, the positioning column 113 is provided at a lower position of the arc surface of the mounting surface 101. The two sides of the fan blade 20 in the width direction are respectively fastened and fixed to the mounting portion 11 by the two fasteners 30, so that the fan blade 20 can be more easily attached to the mounting surface 101 to form a certain radian.

Furthermore, a nut is embedded in the positioning post 113, an inner threaded hole of the nut forms a connecting hole 1131, the fastening member 30 includes a screw matched with the nut and a gasket sleeved on the screw, and a fixing head of the screw is pressed against the mounting surface 101 through the gasket. For example, an injection molding process may be used to insert M6 copper nuts into the positioning posts 113, and after the screws and nuts are tightened, the gaskets may be pressed tightly to ensure the assembling reliability.

Further, referring to fig. 2, the mounting surface 101 is disposed obliquely with respect to the horizontal plane, and the axis of the connecting hole 1131 is perpendicular to the mounting surface 101. By arranging the mounting surface 101 in an inclined manner, the fan blade 20 can generate a certain inclination angle relative to the horizontal plane after being mounted, so that the air supply effect is ensured. And the coupling holes 1131 are perpendicular to the mounting surface 101, the contact area between the fastening member 30 and the coupling holes 1131 can be maximized, thereby further improving the assembling stability.

In addition, a flange 114 is provided on one side of any one of the mounting portions 11 adjacent to the other mounting portion 11. The flange 114 is provided to enhance the structural strength of the mounting plate of the fan blade 20, and also to make the fan blade mounting plate 10 more beautiful as a whole. Preferably, the two flanges 114 of the adjacent sides of the two adjacent mounting portions 11 are connected together to further improve the structural strength.

Referring to fig. 4, the present invention further provides a fan blade mounting structure. The fan blade mounting structure comprises a plurality of fan blades 20 and the fan blade mounting disk 10, wherein the fan blades 20 are connected to the periphery of the fan blade mounting disk 10 at intervals. Specifically, each fan blade 20 is fixedly connected to the mounting portion 11 of the fan blade mounting plate 10, and the fan surface of the fan blade 20 is tightly attached to the mounting surface 101 of the mounting portion 11 to form a certain radian, so that the structure of the fan blade 20 is strengthened, and the fan blade 20 can be effectively prevented from collapsing. The specific structure of the fan blade mounting disk 10 can refer to the above embodiments, and since the fan blade mounting structure adopts all technical solutions of the above embodiments, all beneficial effects brought by the above technical solutions are at least achieved, and are not repeated here.

In one embodiment, a notch 21 is formed in the middle of the connection end of the fan blade 20, connection arms 22 fixedly connected to the fan blade mounting plate 10 are respectively formed at the portions of the fan blade 20 located at the two sides of the notch 21, and mounting holes for the fasteners 30 to pass through are formed in the connection arms 22. After the fan blades 20 are aligned with the mounting portion 11 of the fan blade mounting plate 10, the two connecting arms 22 are respectively fastened and fixed with the mounting portion 11 by the fasteners 30. Because the gap groove 21 is arranged between the two connecting arms 22, the connecting arms 22 are easier to bend towards two sides to form a radian under the pressing action of the fastener 30, so that the fan blades 20 can be well tightly attached to the mounting surface 101 to form a certain radian.

Referring to fig. 5 and 6, the present invention further provides a ceiling fan, which includes a motor 40 and the above-mentioned fan blade mounting structure. Specifically, the motor 40 includes a rotor 41, a stator 42, and a main shaft 43 fixedly inserted in the stator 42. Flabellum mounting structure includes flabellum mounting disc 10 and a plurality of flabellum 20, and a plurality of flabellum 20 intervals are connected in the circumference of flabellum mounting disc 10, flabellum mounting disc 10 and rotor 41 fixed connection. When the motor 40 is operated, the rotor 41 can drive the fan blade mounting plate 10 and the fan blade 20 to rotate together, so as to achieve the air supply effect. The specific structure of the fan blade mounting plate 10 can refer to the above embodiments, and the ceiling fan adopts all the technical solutions of the above embodiments, so that the ceiling fan at least has all the beneficial effects brought by the above technical solutions, and is not repeated herein.

In one embodiment, as shown in fig. 6, the ceiling fan further comprises a hanging cup 50, a hanging rod 60 and a lamp 70, wherein the hanging cup 50 is used for being installed on a ceiling, one end of the hanging rod 60 is fixedly connected with the hanging cup 50, the other end of the hanging rod 60 is connected with one end of a main shaft 43 of the motor 40, and the other end of the main shaft 43 of the motor 40 is fixedly connected with the lamp 70. The ceiling fan has the functions of fanning and lighting at the same time, and has higher practicability.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a flabellum mounting disc, its characterized in that, the flabellum mounting disc is including being used for being connected fixed installation department with the flabellum, the installation department have with the installation face that the sector of flabellum was laminated mutually, the installation face is in be from the cambered surface setting of both sides to middle hunch-up on the width direction of flabellum.

2. The fan blade mounting disk of claim 1, further comprising a disk body for being fixedly connected to a rotor of an electric motor, wherein at least two of the mounting portions are circumferentially spaced apart from each other on the disk body, and each mounting portion is fastened to the corresponding fan blade by a fastening member.

3. The fan blade mounting plate of claim 2, wherein a positioning post is disposed on the mounting surface, the positioning post is configured to be inserted into a mounting hole of the fan blade, and the positioning post is provided with a connecting hole matched with the fastening member.

4. The fan blade mounting plate of claim 3, wherein a nut is embedded in the positioning column, the inner screw hole of the nut forms the connecting hole, the fastening member includes a screw engaged with the nut and a gasket sleeved on the screw, and a fixing head of the screw is pressed against the mounting surface via the gasket.

5. The fan blade mounting plate of claim 3, wherein the mounting surface is inclined with respect to the horizontal plane, and an axis of the connecting hole is perpendicular to the mounting surface.

6. The fan blade mounting plate of claim 2, wherein a flange is provided on one side of any one of the mounting portions adjacent to another of the mounting portions.

7. The blade mounting plate of any one of claims 1-6, wherein the blade mounting plate is made of BMC.

8. A fan blade mounting structure comprising a plurality of fan blades and a fan blade mounting plate according to any one of claims 1 to 7, wherein the plurality of fan blades are connected to the fan blade mounting plate at intervals in the circumferential direction.

9. The fan blade mounting structure according to claim 8, wherein a notch groove is formed in a middle portion of the connecting end of the fan blade, connecting arms for connecting and fixing the fan blade mounting plate are respectively formed at positions of the fan blade located at two sides of the notch groove, and mounting holes for fasteners to pass through are formed in the connecting arms.

10. A ceiling fan comprising the fan blade mounting structure of claim 8 or 9.