TWM608248U - Ceiling fan and fan set - Google Patents

Abstract

The invention discloses a ceiling fan and a fan set. The fan set includes an upper fixed plate, a lower fixed plate arranged at intervals from the upper fixed plate, and a plurality of fan blades arranged between the upper fixed plate and the lower fixed plate. The upper fixing plate has a plurality of first perforations arranged in a ring shape. The lower fixing plate has a plurality of second perforations arranged in a ring shape. The number of the plurality of second perforations is the same as the number of the plurality of first perforations and is arranged correspondingly. The plurality of fan blades respectively have a set of connecting portions, a blade portion extending from the set of connecting portions, and a plurality of locking members. Each fan blade is arranged between the upper fixed disk and the lower fixed disk with its assembly part, and the corresponding fan blade is fixed by the plurality of locking members respectively passing through the plurality of first perforations and the plurality of second perforations.

Description

Ceiling fan and fan set

This creation relates to a ceiling fan, in particular to a ceiling fan and fan set that can facilitate the production and adjustment of the number of blades.

The existing ceiling fan has a base arranged on the ceiling, a driving unit arranged on the base, a blade seat arranged on the driving unit, and a plurality of blades arranged on the blade seat; among them, the existing ceiling fan is based on The number of multiple blades is divided into multiple specifications, such as three-blade ceiling fans and five-blade ceiling fans.

However, the specifications of the existing ceiling fans (that is, the number of blades) have been determined when they leave the factory, and depending on the specifications, the blade seat of each ceiling fan will be different, but it will also cause the ceiling fan to require different production lines to produce different Furthermore, the blades of this ceiling fan are assembled with the blade seat, that is to say, the number of blades is fixed, so users cannot adjust the blades of the ceiling fan according to the environment or use requirements.

Therefore, the author believes that the above-mentioned defects can be improved, and with great concentration of research and the application of scientific principles, finally proposed a reasonable design and effective improvement of the above-mentioned shortcomings of this creation.

The technical problem to be solved by this creation is to provide a ceiling fan and a fan kit for the shortcomings of the prior art, which can effectively improve the possible defects of the existing ceiling fan.

This creative embodiment discloses a ceiling fan, which is arranged on a ceiling. The ceiling fan includes: a top cover; a suspension rod with one end connected to the top cover; and an outward rotation motor arranged on the suspension rod At the other end, the outer rotation motor has a fixed unit and an outer rotation unit assembled on the fixed unit, and the fixed unit is assembled with the other end of the boom so that the outer rotation unit can face each other The fixing unit rotates; and a fan set is disposed on the outer rotation unit of the outer rotation motor, which includes: an upper fixing plate disposed on the outer rotation unit adjacent to the boom On one side, the upper fixed disk has a plurality of first perforations arranged in a ring shape, and the number of the plurality of first perforations is 3M respectively, and M is a positive integer not less than 2; the lower fixed disk is set at On the side of the outer rotation unit away from the boom, the lower fixing plate has a plurality of second perforations arranged in a ring shape, and the number of the plurality of second perforations and the plurality of first perforations The same and correspondingly arranged; and a plurality of fan blades, the number of which is N and each has a set of connecting portions, a blade portion extending from the connecting portion, and 3N locking members, each of the fan blades has its The assembling part is arranged between the upper fixed plate and the lower fixed plate, and passes through the plurality of first perforations and the plurality of second perforations through the plurality of locking members respectively, so that the corresponding The fan blades are fixed; wherein N is a common factor of 3M, and N is not less than a positive integer of 2; wherein, each of the blades defines an outlet side and an opposite side to the outlet side according to the gas flow direction On the air inlet side, each fan blade can be arranged between the upper fixed disc and the lower fixed disc in a direction in which the air outlet side faces the upper fixed disc or is away from the upper fixed disc.

The embodiment of the invention further discloses a fan set for being set on an outer rotation motor, which includes: an upper fixed plate with a plurality of first perforations arranged in a ring shape, and a plurality of first perforations The number is 3M, and M is a positive integer not less than 2. The lower fixed disk is spaced from the upper fixed disk and spaced from the upper fixed disk, and the lower fixed disk has a ring-shaped configuration. A plurality of second perforations, the number of the plurality of second perforations is the same as that of the plurality of the first perforations and is arranged correspondingly; and a plurality of fan blades, the number of which is N and each has a set of connecting parts, and is composed of A blade portion extending from the connecting portion, and 3N locking members, each of the fan blades is arranged between the upper fixed disk and the lower fixed disk with its assembly portion, and is respectively passed through a plurality of the locking members Pass through a plurality of the first perforations and a plurality of the second perforations to fix the corresponding fan blades; wherein, N is a common factor of 3M, and N is a positive integer not less than 2; wherein, each of the The blade portion defines an air outlet side and an air inlet side opposite to the air outlet side according to the gas flow direction, and each of the fan blades can use the air outlet side to face the upper fixed disk or away from the air outlet side. The direction of the upper fixed disc is arranged between the upper fixed disc and the lower fixed disc.

In summary, the ceiling fan and fan set disclosed in this creative embodiment are designed to be spaced apart from the upper fixed plate and the lower fixed plate, and cooperate with a plurality of the first perforations and a plurality of the first holes. The number of perforations is configured, a plurality of the fan blades can be arranged between the upper fixed disk and the lower fixed disk, and a plurality of the fasteners pass through the upper fixed disk and the plurality of fans Blades, and the lower fixed plate, so that a plurality of the fan blades can be fixed to the upper fixed plate and the lower fixed plate; accordingly, the user can adjust the plurality of the ceiling fans according to the environment and the use requirements. The number of fan blades; Moreover, when the ceiling fan is produced, only a single type of the upper fixed plate and the lower fixed plate is required to produce a variety of ceiling fans with different specifications (that is, with different fans Ceiling fan with number of leaves).

In order to further understand the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation. However, the drawings provided are only for reference and explanation, and are not used to limit this creation.

The following is a specific embodiment to illustrate the implementation of the "ceiling fan and fan set" disclosed in this creation. Those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the protection scope of this creation.

It should be understood that although terms such as "first", "second", and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

[First Embodiment]

As shown in FIGS. 1 to 4, this is the first embodiment of the creation. This embodiment discloses a ceiling fan 100, which is arranged on a ceiling W and rotates to generate airflow to adjust the environment. In other words, it is not a ceiling fan that is installed on the ceiling W and generates airflow through rotation, and is not the ceiling fan 100 referred to in this creation. The ceiling fan 100 includes a top cover 1 disposed on the ceiling W, a boom 2 disposed on the top cover 1, an outward rotation motor 3 disposed on the boom 2, and A fan set 4 on the outer circumference of the outer rotating motor 3.

It should be noted that the above-mentioned top cover 1, boom 2, outward rotation motor 3, and fan set 4 are collectively defined as the ceiling fan 100 in this embodiment. But this creation is not limited to this. For example, in other embodiments not shown in this creation, the fan set 4 can also be used separately (for example, sold) or used with other components. The structure of each element of the ceiling fan 100 and the fan set 4 will be separately introduced below, and the connection relationship between the various elements of the ceiling fan 100 will be described in a timely manner.

As shown in Figures 2 and 3, the top cover 1 in this embodiment has a circular shell-like structure and has a chamber 11, and the top cover 1 is used to be set on the ceiling W, and The top cover 1 is formed with a plurality of through holes 12, and the plurality of through holes 12 respectively communicate with the chamber 11, and the boom 2 is assembled with the top cover 1 at one end thereof, but the present creation is not limited Contained in this example. For example, the top cover 1 may also be another structure that can be installed on the ceiling W, such as a square solid structure.

The outer rotation motor 3 is arranged at the other end of the boom 2. The outer rotation motor 3 has a fixing unit 31 and an outer rotation unit 32 assembled to the fixing unit 31, the fixing unit 31 and The other end of the boom 2 is assembled so that the outward rotation unit 32 can rotate relative to the fixed unit 31. Specifically, the outer rotation unit 32 in this embodiment may be composed of stator coils, rotors, shafts, bearings, stator silicon steel sheets, rotor silicon steel sheets, impeller flanges, impellers, etc., but this creation is not Limited to what is contained in this example. It should be noted that the manner in which the outer rotation unit 32 of the outer rotation motor 3 can rotate relative to the fixed unit 31 is a technique known to those skilled in the art, and is not the focus of this case, so it will not be omitted here. Describe its details.

The fan set 4 is disposed on the outer rotation unit 32 of the outer rotation motor 3. The fan set 4 includes: an upper fixed disk 41 disposed on the outer rotating unit 32, a lower fixed disk 42 disposed on the outer rotating unit 32, and a lower fixed disk 41 disposed on the upper fixed disk 41 and the lower fixed disk. A plurality of fan blades 43 between the fixed disks 42 are fixed. Specifically, the fan set 4 drives the upper fixed disk 41 and the lower fixed disk 42 through the outer rotating unit 32, so that a plurality of the fan blades 43 follow the upper fixed disk 41 and the lower fixed disk 42. As described below, the fixed disk 42 rotates to drive the surrounding air to generate airflow.

The upper fixed disk 41 is disposed on one side of the outer rotation unit 32 adjacent to the boom 2, and the upper fixed disk 41 has a plurality of first perforations 411 arranged in a ring shape, and a plurality of the first holes 411 are arranged in a ring shape. The number of a perforation 411 is 3M, and M is not less than a positive integer of 2. In other words, the number of the plurality of first through holes 411 is at least six.

Specifically, the upper fixing plate 41 is in the shape of a disc in this embodiment, and a first strengthening portion 412 is formed at the center of the upper fixing plate 41. The first strengthening portion 412 has a circular shape and is connected to the upper fixing plate 41. The fixed disk 41 has the same center; further, the first strengthening portion 412 in this embodiment is a raised structure protruding from the upper fixed disk 41 toward the top cover 1, but the invention is not limited In this example. For example, in other embodiments not shown, the first reinforcement portion 412 may also be a ring wall structure that protrudes away from the top cover 1.

The plurality of first through holes 411 are arranged around the first reinforcement portion 412. Specifically, the plurality of first perforations 411 are further divided into a plurality of first outer perforations 411X and a plurality of first inner perforations 411Y, and the plurality of first outer perforations 411X are located relative to the plurality of first perforations 411X. The outer side of the inner perforation 411Y, and the plurality of first outer perforations 411X and the plurality of first inner perforations 411Y are arranged in a ring shape and have the same center. In detail, the plurality of first inner through holes 411Y are arranged in a ring shape and are adjacent to the first reinforcement portion 412, and the plurality of first outer holes 411X are arranged in a ring shape and are away from the first reinforcement. 412, the plurality of first outer perforations 411X surround the plurality of first inner perforations 411Y, and the plurality of first outer perforations 411X and the plurality of first inner perforations 411Y are in this embodiment The number is 15 each, that is, the number of the plurality of first perforations 411 is 30, and the number of the plurality of first outer perforations 411X is the same as the number of the plurality of first inner perforations 411Y. In addition, a first ring wall portion 413 is formed on the outer edge of the upper fixing plate 41 facing away from the top cover 1.

The lower fixed plate 42 is arranged on the side of the outer rotation unit 32 away from the boom 2 and is arranged spaced apart from the upper fixed plate 41. The lower fixed plate 42 has a ring-shaped configuration. There are two second perforations 421, and the number of the plurality of second perforations 421 is the same as the number of the plurality of first perforations 411 and is arranged correspondingly; that is, the number of the plurality of second perforations 421 is also at least nine.

Specifically, the lower fixing plate 42 is in the shape of a disc in this embodiment, and a second strengthening portion 422 is formed at the center of the lower fixing plate 42. The second strengthening portion 422 has a circular shape and is connected to the lower fixing plate 42. The fixed discs 42 have the same center; furthermore, the second strengthening portion 422 in this embodiment is a raised structure that protrudes from the lower fixed disc 42 in a direction away from the upper fixed disc 41, but this creation does not Limited to what is contained in this example. For example, in other embodiments not shown, the second reinforcement portion 422 may also be a ring wall structure that protrudes away from the upper fixing plate 41.

The plurality of second through holes 421 are arranged around the second reinforcement portion 422. Specifically, the plurality of second perforations 421 are further divided into a plurality of second outer perforations 421X and a plurality of second inner perforations 421Y, and the plurality of second outer perforations 421X are located relative to the plurality of second perforations. The outer side of the inner perforation 421Y, and the plurality of second outer perforations 421X and the plurality of second inner perforations 421Y are arranged in a ring shape and have the same center. In detail, the plurality of second inner perforations 421Y are arranged in a ring shape and are adjacent to the second reinforcement portion 422, and the plurality of second outer perforations 421X are arranged in a ring shape and are away from the second reinforcement. 422, the plurality of second outer perforations 421X surround the plurality of second inner perforations 421Y, the plurality of second outer perforations 421X and the plurality of second inner perforations 421Y are in this embodiment The number is 15 each, that is, the number of the plurality of second perforations 421 is 30, and the number of the plurality of second outer perforations 421X is the same as the number of the plurality of second inner perforations 421Y. In addition, a second ring wall portion 423 is formed on the outer edge of the lower fixing plate 42 toward the direction of the upper fixing plate 41.

The number of the plurality of fan blades 43 is N and each has a set of connecting portions 431, a blade portion 432 extending from the set of connecting portions 431, and 3N locking members 433, each of the fan blades 43 is The assembling portion 431 is arranged between the upper fixing disc 41 and the lower fixing disc 42, and passes through the plurality of first perforations 411 and the plurality of second holes through the plurality of locking members 433, respectively. The perforation 421 fixes the corresponding fan blade 43; where N is a common factor of 3M. Specifically, the number of the plurality of fan blades 43 is a common factor of the number of the plurality of first perforations 411 or the number of the plurality of second perforations 421 and is not less than 2; for example, the number of the plurality of The number of the first perforations 411 is 30, and the number of the plurality of fan blades 43 can be 2, 3, or 5 blades. In this embodiment, the number of the fan blades 43 is 5 blades. Take an example for description; in addition, the number of the plurality of lock members 433 is 3 times the number of the corresponding plurality of fan blades 43, that is, each fan blade 43 is provided with three lock members 433.

The assembling portion 431 of each fan blade 43 is provided with a plurality of fixing holes 4312, and the plurality of fixing holes 4312 can allow a plurality of the locking members 433 to pass through, so that each fan blade 43 is fixed to the Between the upper fixed plate 41 and the lower fixed plate 42. Furthermore, when each of the assembling portions 431 is fixed between the upper fixing plate 41 and the lower fixing plate 42, each of the assembling portions 431 and the outer edge of the outer rotating unit 32 There is a predetermined distance between them (that is, no direct contact), so that the ceiling fan 100 forms a heat dissipation space S between the outward rotation unit 32 and the assembly portion 431 of the plurality of fan blades 43.

Preferably, each of the assembling portions 431 respectively forms a raised portion 4311 in the direction of the upper fixing plate 41 and the lower fixing plate 42, and each of the raised portions 4311 has an arc-shaped structure and can abut against the upper fixing plate 41 and the lower fixing plate 42. The first ring wall portion 413 and the second ring wall portion 423 prevent each fan blade 43 from moving away from the upper fixing disc 41 and the lower fixing disc 42 when being driven by the upper fixing disc 41 and the lower fixing disc 42 The direction of the center of the lower fixed plate 42 is disengaged.

In addition, each of the blade portions 432 defines an air outlet side 4321 and an air inlet side 4322 opposite to the air outlet side 4321 according to the gas flow direction, and each fan blade 43 can use its air outlet side 4321 is disposed between the upper fixed disk 41 and the lower fixed disk 42 in a direction toward the upper fixed disk 41 or away from the upper fixed disk 41. To put it another way, a plurality of the blade portions 432 can be uniformly arranged on the upper fixing with their air inlet side 4322 facing the ceiling W (as shown in FIG. 3), or facing away from the ceiling W. Between the disc 41 and the lower fixed disc 42 (as shown in FIG. 4); accordingly, by changing the position of the air inlet side of the plurality of fan blades 43, the direction of the airflow generated by the ceiling fan 100 can be adjusted.

[Second Embodiment]

As shown in Figures 5 and 6, this is the second embodiment of the creation. This embodiment is similar to the above-mentioned first embodiment. The similarities between the two embodiments will not be repeated here. However, this embodiment is compared with the above-mentioned first embodiment. The main difference of the first embodiment is that the number of the plurality of fan blades 43 of the ceiling fan 100' is three in this embodiment.

The fan set 4 further has a plurality of decorative plates 44, and the plurality of decorative plates 44 are respectively disposed between the assembly portions 431 of two adjacent fan blades 43, so that the plurality of decorative plates 44 and a plurality of the assembling portions 431 surround between the upper fixing plate 41 and the lower fixing plate 42, and further enable the heat dissipation space S to communicate only with part of the first through hole 411 and part of the The second perforation 421 (as shown in FIG. 6).

Specifically, the cross-sections of the plurality of decorative plates 44 are in the shape of an inverted L in this embodiment, and pass through the first outer perforation 411X and the second outer perforation 421X through a fixing member, respectively. Fix any one of the decorative plates 44 between the connecting portions 431 of two adjacent fan blades 43, when a plurality of the fan blades 43 are fixed to the upper fixing plate 41 and the lower fixing plate 41 When between the disks 42, part of the first perforation 411 and part of the second perforation 421 respectively communicate with the heat dissipation space S, and a plurality of the assembling portions 431 will block part of the first outer Perforation 411X, part of the second outer perforation 421X, part of the first inner perforation 411Y, and part of the second inner perforation 421Y; that is, there are a plurality of the first outer perforations of another part 411X, the plurality of first inner through holes 411Y, the plurality of second outer through holes 421X, and the plurality of second inner through holes 421Y are not blocked by the plurality of connecting portions 431, and are connected to the heat dissipation The space S is connected; accordingly, the heat energy generated by the outer rotation motor 3 can pass through the heat dissipation space S, the plurality of first outer through holes 411X that are not blocked by the plurality of connecting portions 431, and the plurality of The first inner perforation 411Y, the plurality of second outer perforations 421X, and the plurality of second inner perforations 421Y are discharged, but the present creation is not limited to those in this embodiment. For example, in other embodiments that are not shown in the present invention, a plurality of the decorative plates 44 may have a plate-like structure, and are clamped and fixed by the upper fixing plate 41 and the lower fixing plate 42 so that Part of the plurality of first outer through holes 411X, the plurality of second outer through holes 421X, the plurality of first inner through holes 411Y, and the plurality of second inner through holes 421Y communicate with the heat dissipation space S.

[Technical effects of this creative embodiment]

To sum up, the ceiling fan 100 and the fan set 4 disclosed in this creative embodiment are designed to be spaced apart from the upper fixing plate 41 and the lower fixing plate 42, and to cooperate with a plurality of the first perforations 411 and The number of the plurality of second perforations 421 is configured, and the plurality of fan blades 43 can be arranged between the upper fixed disk 41 and the lower fixed disk 42, and a plurality of the locking members 433 pass through the The upper fixed disk 41, the plurality of fan blades 43, and the lower fixed disk 42 enable the plurality of fan blades 43 to be fixed to the upper fixed disk 41 and the lower fixed disk 42; accordingly, The user can adjust the number of the plurality of fan blades 43 of the ceiling fan 100 according to the environment and use requirements; furthermore, when the ceiling fan 100 is produced, only a single type of the upper fixing plate 41 and the lower fixing plate 41 need to be produced. Fixing the plate 42 can produce a variety of ceiling fans with different specifications (that is, ceiling fans 100 with different numbers of fan blades 43).

The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the scope of patent application for this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the application for this creation. Within the scope of the patent.

100, 100’: Ceiling fan 1: top cover 11: Room 12: Through hole 2: boom 3: Outward rotation motor 31: fixed unit 32: Outward transfer unit 4: Fan set 41: Upper fixed plate 411: first piercing 411X: First outer perforation 411Y: First inner perforation 412: First Strengthening Department 413: First Ring Wall 42: Lower fixed plate 421: Second Piercing 421X: second outer perforation 421Y: second inner perforation 422: Second Strengthening Department 423: Second Ring Wall 43: fan blade 431: Assembly Department 4311: bulge 4312: fixed hole 432: Blade 4321: Outlet side 4322: Inlet side 433: lock firmware 44: veneer S: Cooling space W: Ceiling

Figure 1 is a three-dimensional schematic diagram of the ceiling fan of the first embodiment of the creation.

Figure 2 is an exploded schematic diagram of the ceiling fan of the first embodiment of the creation.

Fig. 3 is a schematic plan view along the line III-III of Fig. 1.

Fig. 4 is a schematic diagram of the state when a plurality of blades of the ceiling fan of the first embodiment of the creation are set with the outlet side facing the ceiling direction.

Fig. 5 is a partial exploded schematic diagram of the ceiling fan of the second embodiment of the creation.

Fig. 6 is a schematic plan view taken along the line VI-VI of Fig. 5.

100: ceiling fan

1: top cover

11: Room

12: Through hole

2: boom

41: Upper fixed plate

412: First Strengthening Department

43: fan blade

431: Assembly Department

432: Blade

4321: Outlet side

4322: Inlet side

433: lock firmware

Claims (10)

A ceiling fan is used to be installed on a ceiling. The ceiling fan includes: A top cover A boom, one end of which is assembled with the top cover; An outward rotation motor is arranged at the other end of the boom. The outward rotation motor has a fixing unit and an outward rotation unit assembled on the fixing unit. The fixing unit and the boom The other end is assembled, and the outward rotation unit can rotate relative to the fixed unit; and A fan set, which is arranged on the outer rotation unit of the outer rotation motor, and includes: An upper fixed disk is arranged on one side of the outer rotation unit adjacent to the boom, the upper fixed disk has a plurality of first perforations arranged in a ring shape, and the numbers of the plurality of first perforations are respectively 3M, and M is a positive integer not less than 2; The lower fixing plate is arranged on the side of the outer rotation unit far from the boom and is arranged at intervals from the upper fixing plate. The lower fixing plate has a plurality of second perforations arranged in a ring shape. The number of the second perforations is the same as the number of the plurality of first perforations and is arranged correspondingly; and A plurality of fan blades, the number of which is N and each has a set of connecting portions, a blade portion extending from the connecting portion, and 3N locking members, and each of the fan blades is provided with its connecting portion at all Between the upper fixed disk and the lower fixed disk, a plurality of the locking members respectively pass through a plurality of the first perforations and a plurality of the second perforations to fix the corresponding fan blades; wherein , N is a common factor of 3M, and N is a positive integer not less than 2; Wherein, each of the blade portions defines an air outlet side and an air inlet side opposite to the air outlet side according to the gas flow direction, and each of the fan blades can be fixed with the air outlet side facing the upper The disc, or the direction away from the upper fixed disc, is arranged between the upper fixed disc and the lower fixed disc. The ceiling fan according to claim 1, wherein the plurality of first perforations of the upper fixed plate are divided into a plurality of first outer perforations and a plurality of first inner perforations, and the plurality of first outer perforations are located opposite to each other. On the outer side of the plurality of first inner perforations, and the plurality of first outer perforations and the plurality of first inner perforations are arranged in a ring shape and have the same center; the plurality of first inner perforations of the lower fixed disk The two perforations are divided into a plurality of second outer perforations and a plurality of second inner perforations. The plurality of second outer perforations are located on the outer side of the plurality of second inner perforations, and the plurality of second outer perforations and a plurality of The second inner perforations are annularly arranged and have the same center. The ceiling fan according to claim 1, wherein the connecting portion of each fan blade does not directly contact the outer edge of the outer rotation unit, so that the ceiling fan is connected to the outer rotation unit and a plurality of A heat dissipation space is formed between the connecting parts of the fan blades; part of the first through holes and part of the second through holes respectively communicate with the heat dissipation space. The ceiling fan according to claim 3, wherein the fan set has a plurality of decorative panels, and the plurality of decorative panels are respectively disposed between the assembly parts of two adjacent fan blades, so that more One of the decorative plates and a plurality of the assembling portions surround between the upper fixing plate and the lower fixing plate, so that the heat dissipation space only communicates with a part of the first perforation and a part of the first hole Two perforations. The ceiling fan according to claim 1, wherein the upper fixing plate is in the shape of a disc, and a first strengthening part is formed at the center thereof, and the first strengthening part is in the shape of a circle and is fixed to the upper The disks have the same center; the lower fixed disk is in the shape of a disk, and a second reinforced part is formed at the center of the lower fixed disk. The second reinforced part is circular in shape and has the same center as the lower fixed disk. The ceiling fan according to claim 1, wherein a first ring wall portion is formed on the outer edge of the upper fixed disk, and a second ring wall portion is formed on the outer edge of the lower fixed disk; The assembling part respectively forms a protruding part in the direction of the upper fixing disc and the lower fixing disc, and each of the protruding parts can abut against the first ring wall part and the second ring wall part. A fan set is used to be set on an outer rotation motor, which includes: An upper fixed disk with a plurality of first perforations arranged in a ring shape, the number of the plurality of first perforations is 3M, and M is a positive integer not less than 2; The lower fixed disc is arranged spaced apart from the upper fixed disc, the lower fixed disc has a plurality of second perforations arranged in a ring shape, and the number of the plurality of second perforations is the same as and corresponding to the plurality of the first perforations Set up; and A plurality of fan blades, the number of which is N and each has a set of connecting portions, a blade portion extending from the connecting portion, and 3N locking members, and each of the fan blades is provided with its connecting portion at all Between the upper fixed disk and the lower fixed disk, a plurality of the locking members respectively pass through a plurality of the first perforations and a plurality of the second perforations to fix the corresponding fan blades; wherein , N is a common factor of 3M, and N is a positive integer not less than 2; Wherein, each of the blade portions defines an air outlet side and an air inlet side opposite to the air outlet side according to the gas flow direction, and each of the fan blades can be fixed with the air outlet side facing the upper The disc, or the direction away from the upper fixed disc, is arranged between the upper fixed disc and the lower fixed disc. The fan set according to claim 7, wherein the plurality of first perforations of the upper fixed disk are divided into a plurality of first outer perforations and a plurality of first inner perforations, and a plurality of the first outer perforations And the plurality of first inner perforations are arranged in a ring shape and have the same center, and the plurality of first outer perforations are located on the outer side with respect to the plurality of first inner perforations; The second perforation is divided into a plurality of first outer perforations and a plurality of first inner perforations. A plurality of the second outer perforations and a plurality of the second inner perforations are arranged in a ring shape and have the same center. The second outer perforation is located on the outer side of the plurality of second inner perforations. The fan set according to claim 7, wherein the connecting portion of each fan blade is not in direct contact with the outer edge of the outer rotation unit, so that the ceiling fan is connected to the outer rotation unit and multiple A heat dissipation space is formed between the assembly parts of the fan blades; part of the first through holes and part of the second through holes respectively communicate with the heat dissipation space. The fan set according to claim 9, wherein the fan set has a plurality of decorative plates, and the plurality of decorative plates are respectively arranged between the assembly parts of two adjacent fan blades, A plurality of the decorative plates and a plurality of the assembling parts are surrounded between the upper fixing plate and the lower fixing plate, so that the heat dissipation space only communicates with the first perforation and part of the Mentioned second perforation.

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