TW201912945A - ceiling fan - Google Patents

Abstract

A ceiling fan is used to solve the problem of a large overall axial thickness of conventional ceiling fans. The ceiling fan includes a motor having a stator coupled to an axle and a rotor, and the outer surface of the motor has a plurality of cooling holes. An adaptor disc is coupled to the motor and includes a body and a plurality of first engaging portions integrally formed with the body. A central portion of the body includes a central bore for receiving the axle. The plurality of first engaging portions extends in a direction away from the axle. A plurality of blades is coupled to the plurality of the first engaging portions.

Description

   Ceiling fan   

This creation is about a ceiling fan, especially a ceiling fan that improves heat dissipation efficiency and reduces the overall axial thickness of the ceiling fan.

Ceiling fans are widely used by the public because they are suspended from the ceiling, do not occupy floor space, and have good air disturbance effects. Referring to FIG. 1, the pivoting portion 931 of the assembly 93 of the conventional ceiling fan 9 is rotatably looped around the axis 911 of the stator 91, and the positioning portion 932 of the assembly 93 is disposed on the hub of a rotor 92 921, and the positioning portion 932 of the assembly 93 is provided with a plurality of blades 94. By rotating the hub 921 of the rotor 92 relative to the axis 911 of the stator 91, the plurality of blades 94 are driven to rotate synchronously, whereby the plurality of blades 94 drive wind to generate airflow.

However, the conventional ceiling fan 9 is disposed on the hub 921 by the positioning portion 932 of the assembly 93, and then the plurality of blades 94 are disposed on the positioning portion 932, the assembly process is time-consuming, and the ceiling fan 9 is assembled The problem of unstable strength and quality. In addition, because the hub 921, the positioning portion 932 and the fan blade 94 all have a thickness, when the ceiling fan 9 is suspended on a ceiling, the overall axial thickness of the ceiling fan 9 is caused Increase, which in turn creates a sense of oppression.

In view of this, the conventional ceiling fans still need to be improved.

To solve the above problems, the present invention provides a ceiling fan. In addition to improving the heat dissipation efficiency and reducing the overall axial thickness of the ceiling fan, it can also improve the convenience and efficiency during assembly, thereby saving costs.

The following directivity or similar terms of the present invention, such as "front", "rear", "upper (top)", "lower (bottom)", "inner", "outer", "side", etc., mainly With reference to the directions of the attached drawings, each directivity or its approximate terms are only used to help explain and understand the embodiments of the present invention, and are not intended to limit the present invention.

The ceiling fan of the present invention includes: a motor with a stator and a rotor, the stator is combined with an axis, the outer surface of the motor has a plurality of heat dissipation holes; an adapter disk is coupled to the motor, the adapter disk is The body is integrally formed with a body and a plurality of first joint parts, a center hole is provided at the center of the body, the center hole is provided for the axis to pass through, the plurality of first joint parts extend away from the axis, the adapter plate The outer diameter of the body is smaller than the outer diameter of the upper surface of the motor, the body of the adapter plate is coupled to the upper surface of the motor; and a plurality of blades are coupled to the plurality of first coupling portions.

The ceiling fan of the present invention includes: a motor with a stator and a rotor, the stator is combined with an axis, the outer surface of the motor has a plurality of heat dissipation holes; an adapter disk is coupled to the motor, the adapter disk is The body is integrally formed with a body and a plurality of first joint parts, a center hole is provided at the center of the body, the center hole is provided for the axis to pass through, the plurality of first joint parts extend away from the axis, the adapter plate The outer diameter of the body is smaller than the outer diameter of the lower surface of the motor, the body of the adapter disk is coupled to the lower surface of the motor; and a plurality of blades are coupled to the plurality of first coupling portions.

The ceiling fan of the present invention includes: a ceiling fan including: a motor with a stator and a rotor, the stator is combined with an axis, the outer surface of the motor has a plurality of heat dissipation holes, and the side peripheral wall of the motor has a radial extension A ring part; an adapter plate, combined with the motor, the adapter plate is integrally formed with a body and a plurality of first coupling parts, a center hole is provided in the center of the body, the plurality of first coupling parts face away from the shaft Extending in the direction of the center, the inner diameter of the center hole of the adapter disk is slightly greater than or equal to the outer diameter of the side peripheral wall of the motor, the body of the adapter disk is coupled to the ring portion of the motor; and a plurality of blades are coupled to the Plural first joints.

Accordingly, in the ceiling fan of the present invention, the adapter plate is integrally formed with a body and a plurality of first joint parts and the arrangement of the plurality of heat dissipation holes, the plurality of first joint parts radiate away from the axis Extend, and the second joints of the fan blades are respectively coupled to the first joints of the adapter discs, which can increase the joint strength and reduce the overall axial thickness of the ceiling fan to reduce the pressure Improve the convenience and efficiency of assembly, thereby saving costs, and at the same time achieve good heat dissipation efficiency.

Wherein, the junction of the plurality of blades and the adapter disk is outside the outer diameter range of the upper surface of the motor. In this way, it has the effect of reducing the overall axial height of the ceiling fan.

Wherein, each first coupling portion of the adapter plate protrudes out of the outer diameter range of the upper surface of the motor. In this way, it has the effect of reducing the overall axial height of the ceiling fan.

Wherein, the junction of the plurality of blades and the adapter disk is outside the outer diameter range of the lower surface of the motor. In this way, it has the effect of reducing the overall axial height of the ceiling fan.

Wherein, each first coupling portion of the adapter plate protrudes out of the outer diameter range of the lower surface of the motor. In this way, it has the effect of reducing the overall axial height of the ceiling fan.

Wherein, the plurality of heat dissipation holes are equally spaced between two adjacent first joint parts. In this way, it has the effect of uniform heat dissipation.

Wherein, the adapter plate further has a plurality of first fixing parts, the body of the adapter plate has a plurality of first positioning holes, and the body is fixed by the plurality of first fixing parts penetrating the plurality of first positioning holes In that motor. In this way, it has the effect of positioning the adapter plate firmly on the motor.

Wherein, each of the plurality of blades has a second coupling portion, and the second coupling portion of each blade is coupled to the first coupling portion of each adapter plate. In this way, it has the effect of easy assembly.

Wherein, the adapter plate further has a plurality of second fixing members, each of the first coupling portions of the adapter plate has a plurality of second positioning holes, and the second coupling portion of each blade is based on the plurality of Two fixing pieces penetrate the plurality of second positioning holes to be fixed to the plurality of first combining parts. In this way, it has the effect of stably positioning each fan blade on the adapter plate.

Wherein, the second coupling portion of each fan blade is a receiving slot, and each first coupling portion of the adapter plate extends through each of the receiving slots. In this way, it has the effect of easy assembly.

Wherein, the accommodating groove is formed to pass through at both ends. In this way, it has the effect of improving the heat dissipation efficiency.

Wherein, the number of the first joints of the adapter plate corresponds to the number of the blades. In this way, it has the effect that each of the first joints is combined with a leaf.

Wherein, the plurality of first joints extend radially from the outer periphery of the body. In this way, it has the effect of being easily combined with the second joint portion of each fan blade.

Wherein, the plurality of first joints extend from the outer periphery of the body along the tangential direction. In this way, it has the effect of being easily combined with the second joint portion of each fan blade.

〔this invention〕

1‧‧‧Motor

11‧‧‧ Stator

12‧‧‧Rotor

13‧‧‧Axis

14‧‧‧Ventilation holes

15‧‧‧Connecting board

1a‧‧‧upper surface

1b‧‧‧Side peripheral wall

1c‧‧‧Circle

1d‧‧‧Lower surface

2‧‧‧Adapter plate

21‧‧‧Center hole

22‧‧‧Body

221‧‧‧First positioning hole

23‧‧‧First Joint Department

231‧‧‧Second positioning hole

24‧‧‧First fixing

25‧‧‧Second fixing piece

3‧‧‧leaf

31‧‧‧The second joint

31a‧‧‧Range

4‧‧‧Safety device

D1‧‧‧Outer diameter of motor upper surface

D1’‧‧‧Outer diameter of the lower surface of the motor

D2‧‧‧Outer diameter of the adapter body

D3‧‧‧Inner diameter of center hole of adapter plate

D4‧‧‧Outer diameter of the side wall of the motor

〔Convention〕

9‧‧‧ Ceiling fan

91‧‧‧ Stator

911‧‧‧Axis

92‧‧‧Rotor

921‧‧‧Wheel

93‧‧‧ Group connection

931‧‧‧Pivot Department

932‧‧‧Positioning Department

94‧‧‧fan blade

Figure 1: A structural diagram of a conventional ceiling fan.

Figure 2: Exploded perspective view of the first embodiment of the present invention.

Figure 3: Top view of the first embodiment of the invention.

Figure 4: A combined cross-sectional view of the first embodiment of the present invention (including fan blades).

Figure 5: A combined cross-sectional view of a second embodiment of the present invention (including fan blades).

Figure 6: An exploded perspective view of a third embodiment of the present invention.

Figure 7: Top view of a third embodiment of the invention.

Figure 8: A combined cross-sectional view of a third embodiment of the present invention (including a fan blade and a safety device).

Fig. 9: A schematic diagram of an embodiment of the adapter plate of the present invention.

In order to make the above and other objects, features and advantages of the present invention more obvious and understandable, the preferred embodiments of the present invention are described below in conjunction with the attached drawings, which are described in detail as follows: Please refer to Sections 2, 3 and 4 The figure is the first embodiment of the ceiling fan of the present invention. The ceiling fan includes a motor 1, an adapter plate 2 and a plurality of blades 3, the adapter plate 2 is combined with the motor 1, and the plurality of blades 3 are combined于 该 Adapter disc 2

Please refer to Figures 3, 4, and 5, the motor 1 has a stator 11 and a rotor 12, the stator 11 is combined with an axis 13, the axis 13 is hollow, the stator 11 is used to drive the rotor 12, the The motor 1 further has an outer surface (including an upper surface 1a, a lower surface 1d and a side peripheral wall 1b). The upper surface 1a, the lower surface 1d and the side peripheral wall 1b of the motor 1 may have a plurality of heat dissipation holes 14, and each of the The heat dissipation holes 14 penetrate the upper surface 1a, the lower surface 1d and the side peripheral walls 1b of the motor 1, so that the high-temperature air generated inside the motor 1 can be discharged through the plurality of exposed heat dissipation holes 14, in this embodiment The plurality of heat dissipation holes 14 are provided on the upper surface 1a of the motor 1.

Please refer to Figures 2 and 3, the adapter plate 2 is coupled to the upper surface 1a of the motor 1, the adapter plate 2 is integrally formed with a body 22 and a plurality of first coupling portions 23, and the adapter plate 2 The outer diameter D2 of the body 22 is smaller than the outer diameter D1 of the upper surface 1a of the motor 1, so that the plurality of heat dissipation holes 14 of the motor 1 can be exposed, wherein the center of the body 22 is provided with a center hole 21, the center hole 21 The shaft 13 is penetrated, and the body 22 has a plurality of first positioning holes 221, and the plurality of first coupling portions 23 extend away from the shaft 13 so that the plurality of heat dissipation holes 14 It is equidistantly located between two adjacent first coupling parts 23, and each of the first coupling parts 23 has a plurality of second positioning holes 231, wherein the plurality of first coupling parts 23 can also be connected by the body The outer edge of 22 extends radially, or extends from the outer edge of the body 22 in a tangential direction (as shown in FIG. 9).

Please refer to FIGS. 3 and 4, the adapter plate 2 further includes a plurality of first fixing members 24 and a plurality of second fixing members 25, the plurality of first fixing members 24 respectively penetrate the plurality of first positioning holes 221, The body 22 is fixedly disposed on the upper surface 1a of the motor 1, wherein each first coupling portion 23 of the adapter plate 2 protrudes out of the outer diameter D1 of the upper surface 1a of the motor 1, thereby The overall axial height of the ceiling fan can be reduced.

Referring to FIGS. 3 and 4, the plurality of blades 3 each have a second coupling portion 31, and the second coupling portion 31 of each blade 3 is coupled to the first coupling portion 23 of each adapter plate 2, The second coupling portion 31 of each fan blade 3 is preferably a receiving groove 31a, which can be formed through both ends, thereby improving the heat dissipation efficiency, each of the first connecting portions of the adapter plate 2 23 extends through each of the accommodating grooves 31a, and the plurality of second fixing members 25 of the adapter plate 2 penetrate the plurality of second positioning holes 231 to fix the second joint portions 31 of the blades 3 The plurality of first coupling portions 23 provided on the adapter plate 2.

Please refer to FIGS. 3 and 4, wherein the number of the first coupling portions 23 of the adapter plate 2 corresponds to the number of the blades 3, and since each of the first coupling portions 23 of the adapter plate 2 protrudes Outside the range of the outer diameter D1 of the upper surface 1a of the motor 1, the junction of the plurality of blades 3 and the adapter plate 2 is located outside the range of the outer diameter D1 of the upper surface 1a of the motor 1, thereby The overall axial height of the ceiling fan can be reduced.

Please refer to Figures 3 and 4. According to the foregoing structure, when the ceiling fan of this embodiment is used, the axis 13 can be fixed to a predetermined position such as a ceiling (not shown), and the ceiling fan is connected to a power source. After the stator 11 is energized, the rotor 12 is driven to rotate, and the rotor 12 simultaneously drives the plurality of blades 3 to rotate. By the adapter plate 2 is integrally formed with a body 22 and a plurality of first joint portions 23, and the The outer diameter D2 of the body 22 of the adapter plate 2 is smaller than the outer diameter D1 of the upper surface 1 a of the motor 1, and the high-temperature air generated inside the motor 1 can be discharged through the plurality of heat dissipation holes 14.

Please refer to FIGS. 3 and 4. In addition, since the adapter plate 2 is integrally formed, each first coupling portion 23 of the adapter plate 2 extends away from the axis, and each of the blades 3 The second coupling portion 31 is respectively coupled to the first coupling portion 23 of each adapter plate 2, thereby, in addition to increasing the coupling strength and reducing the overall axial thickness of the ceiling fan to reduce the pressure, it also improves the convenience of assembly Performance and efficiency, thereby saving costs and achieving good heat dissipation efficiency.

Please refer to FIG. 5, which is a second embodiment of the ceiling fan of the present invention. The second embodiment of the present invention is substantially the same as the first embodiment described above. The main difference is that the plurality of heat dissipation holes 14 are provided in the The lower surface 1d of the motor 1 and the adapter plate 2 are coupled to the lower surface 1d of the motor 1, wherein each of the plurality of first fixing members 24 of the adapter plate 2 respectively penetrates the plurality of first positioning holes 221, the body 22 is fixedly disposed on the lower surface 1d of the motor 1, and the second coupling portions 31 of the blades 3 are respectively coupled to the first coupling portions 23 of the adapter plates 2, wherein the adapter The outer diameter D2 of the body 22 of the disk 2 is smaller than the outer diameter D1 'of the lower surface 1d of the motor 1, and each of the first coupling portions 23 of the adapter disk 2 protrudes from the outer diameter of the lower surface 1d of the motor 1 Outside the range of D1 ', therefore, the junction of the plurality of blades 3 and the adapter plate 2 is outside the range of the outer surface Dd of the lower surface 1d of the motor 1, thereby reducing the overall axial height of the ceiling fan .

Referring to FIG. 5, according to the foregoing structure, the adapter plate 2 is provided on the lower surface 1d of the motor 1, in addition to being easy to disassemble, in addition, the adapter plate 2 is integrally formed with a body 22 and a plurality of A first coupling portion 23, and the outer diameter D2 of the body 22 of the adapter plate 2 is smaller than the outer diameter D1 'of the lower surface 1d of the motor 1, which can dissipate the high-temperature air generated inside the motor 1 through the plurality of The holes 14 are discharged, thereby, in addition to increasing the bonding strength and reducing the overall axial thickness of the ceiling fan to reduce the pressure, it can also improve the convenience and efficiency of assembly, thereby saving costs and achieving good heat dissipation efficiency.

Please refer to Figures 6, 7, and 8, which is the third embodiment of the ceiling fan of the present invention. The third embodiment of the present invention is substantially the same as the first embodiment described above. The main difference is that: the side peripheral wall of the motor 1 The tool 1b has a radially extending ring portion 1c, and the inner diameter D3 of the center hole 21 of the adapter disk 2 is slightly greater than or equal to the outer diameter D4 of the side peripheral wall 1b of the motor 1, and each of the plural numbers of the adapter disk 2 A first fixing member 24 penetrates the plurality of first positioning holes 221 respectively, so that the body 22 is fixedly disposed on the ring portion 1c of the motor 1, and the second coupling portions 31 of the blades 3 are respectively coupled to the rotors接 盘 2 的 第一 组合 部 23。 The first coupling portion 23 of the disk 2.

Please refer to figures 6, 7, and 8, wherein, since the adapter plate 2 is coupled to the ring portion 1c of the motor 1, each first coupling portion 23 of the adapter plate 2 protrudes from the motor 1 The side peripheral wall 1b is outside the range of the outer diameter D4. Therefore, the junction of the plurality of blades 3 and the adapter plate 2 is outside the range of the outer diameter D4 of the side peripheral wall 1b of the motor 1.

Referring to Figures 6, 7, and 8, according to the foregoing structure, the inner diameter D3 of the center hole 21 of the adapter plate 2 is slightly greater than or equal to the outer diameter D4 of the side peripheral wall 1b of the motor 1, and the adapter plate 2 The ring portion 1c of the motor 1 can discharge the high-temperature air generated inside the motor 1 through the plurality of heat dissipation holes 14. In addition, since the adapter plate 2 is integrally formed with a body 22 and a plurality of first combinations Portion 23, each first coupling portion 23 of the adapter plate 2 extends away from the axis, and the second coupling portion 31 of each blade 3 is coupled to the first coupling of the adapter plate 2 respectively The part 23 can not only increase the bonding strength and reduce the overall axial thickness of the ceiling fan to reduce the pressure, but also improve the convenience and efficiency during assembly, thereby saving costs and achieving good heat dissipation efficiency.

In order to ensure the safety of using the ceiling fan, the ceiling fan of the present invention can also be combined with a safety device 4 as shown in FIG. 8, the safety device 4 is in the form of a rope, and the safety device 4 extends through the hollow shaft One end of the safety device 4 is fixed to a predetermined position such as a ceiling (not shown), and the other end is combined with a connecting plate 15 provided at the bottom end of the stator 11, thereby preventing the ceiling fan from falling.

In summary, in the ceiling fan of the present invention, the adapter plate is integrally formed with a body and a plurality of first joint parts and the plurality of heat dissipation holes. The plurality of first joint parts are away from the axis The radiation extends in the direction, and the second joints of the blades are respectively coupled to the first joints of the adapter discs. In addition to increasing the joint strength and reducing the overall axial thickness of the ceiling fan to reduce the pressure, It can also improve the convenience and efficiency of assembly, thereby saving costs, and at the same time achieve good heat dissipation efficiency.

Although the present invention has been disclosed using the above-mentioned preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with this art without departing from the spirit and scope of the present invention still makes various changes and modifications to the above-mentioned embodiments. The technical scope of the invention is protected, so the scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

Claims (16)

    A ceiling fan includes: a motor with a stator and a rotor, the stator is combined with an axis, the motor has a plurality of heat dissipation holes on the outer surface; an adapter disk is combined with the motor, and the adapter disk is integrally formed There is a body and a plurality of first joint parts, a center hole is provided in the center of the body, the center hole is for the axis to pass through, the plurality of first joint parts extend away from the axis, the body of the adapter plate The outer diameter of is smaller than the outer diameter of the upper surface of the motor, the body of the adapter plate is coupled to the upper surface of the motor; and a plurality of blades are coupled to the plurality of first coupling portions.         The ceiling fan as described in item 1 of the patent application scope, wherein the junction of the plurality of blades and the adapter plate is located outside the outer diameter of the upper surface of the motor.         The ceiling fan as described in item 1 of the patent application scope, wherein each first coupling portion of the adapter plate protrudes out of the range of the outer diameter of the upper surface of the motor.         A ceiling fan includes: a motor with a stator and a rotor, the stator is combined with an axis, the motor has a plurality of heat dissipation holes on the outer surface; an adapter disk is combined with the motor, and the adapter disk is integrally formed There is a body and a plurality of first joint parts, a center hole is provided in the center of the body, the center hole is for the axis to pass through, the plurality of first joint parts extend away from the axis, the body of the adapter plate The outer diameter of is smaller than the outer diameter of the lower surface of the motor, the body of the adapter disk is coupled to the lower surface of the motor; and the plurality of blades are coupled to the plurality of first coupling portions.         The ceiling fan as described in item 4 of the patent application scope, wherein the junction of the plurality of blades and the adapter disk is outside the outer diameter range of the lower surface of the motor.         The ceiling fan according to item 4 of the patent application scope, wherein each first coupling portion of the adapter plate protrudes out of the range of the outer diameter of the lower surface of the motor.         A ceiling fan includes: a motor with a stator and a rotor, the stator is combined with an axis, the outer surface of the motor has a plurality of heat dissipation holes, the side peripheral wall of the motor has a radially extending ring portion; an adapter Disc, combined with the motor, the adapter disc is integrally formed with a body and a plurality of first coupling parts, a center hole is provided in the center of the body, the plurality of first coupling parts extend away from the axis, the turn The inner diameter of the central hole of the receiving disk is slightly greater than or equal to the outer diameter of the side peripheral wall of the motor. The body of the adapter disk is coupled to the ring portion of the motor; and a plurality of blades are coupled to the plurality of first coupling portions.         The ceiling fan according to any one of items 1 to 7 of the patent application range, wherein the plurality of heat dissipation holes are equally spaced between two adjacent first joint parts.         The ceiling fan according to any one of items 1 to 7 of the patent application range, wherein the adapter plate further has a plurality of first fixing members, and the body of the adapter plate has a plurality of first positioning holes, the body is The plurality of first fixing members penetrate the plurality of first positioning holes to be fixed to the motor.         The ceiling fan as described in item 9 of the patent application scope, wherein each of the plurality of blades has a second coupling portion, and the second coupling portion of each blade is coupled to the first coupling portion of each adapter plate.         The ceiling fan as described in item 10 of the patent application scope, wherein the adapter plate further has a plurality of second fixing members, and each of the first joint parts of the adapter plate has a plurality of second positioning holes, each of the fans The second coupling portion of the leaf is that the plurality of second fixing members penetrate the plurality of second positioning holes to be fixed to the plurality of first coupling portions.         The ceiling fan as described in item 11 of the patent application scope, wherein the second joint portion of each fan blade is a receiving slot, and each first joint portion of the adapter plate extends through each of the receiving slots.         The ceiling fan as described in item 12 of the patent application scope, wherein the accommodating groove is formed to pass through at both ends.         The ceiling fan according to any one of the items 1 to 7 of the patent application range, wherein the number of the first joint parts of the adapter plate corresponds to the number of each fan blade.         The ceiling fan according to any one of items 1 to 7 of the patent application scope, wherein the plurality of first joint portions extend radially from the outer periphery of the body.         The ceiling fan according to any one of items 1 to 7 of the patent application range, wherein the plurality of first joint portions extend tangentially from the outer periphery of the body.