CN210371282U

CN210371282U - Novel ceiling fan

Info

Publication number: CN210371282U
Application number: CN201921424017.4U
Authority: CN
Inventors: 陈德泉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-04-21
Anticipated expiration: 2029-08-29

Abstract

The utility model relates to a novel ceiling fan, which comprises a lifting bar, a suspender, a motor, a fan head and fan blades, wherein the output shaft of the motor is coaxial with the fan head and is connected with the first end of the fan head in a transmission way; the fan blades are wing-shaped, the width of the fan blades is gradually increased along the direction far away from the fan head, the sum of the angles formed by the maximum width positions of the fan blades relative to the central axis of the fan head is greater than or equal to 300 degrees, and the edge of the first end far away from the fan head on each fan blade is tooth-shaped. Due to the arrangement, the noise generated by the rotation of the fan blades can be reduced, and the condition that the fan blades fly out or fall carelessly can not occur; the flabellum has great air area of cutting, and then is favorable to promoting the amount of wind, and the air is dispersed along the dentate border on the flabellum, increases the air-out scope of flabellum.

Description

Novel ceiling fan

Technical Field

The utility model relates to an electric fan technical field, more specifically say, relate to a novel ceiling fan.

Background

Under the condition of hot weather, the ceiling fan is a popular cooling tool, and can convect indoor air to achieve the purpose of cooling people. The ceiling fan has the advantages that the price and the use cost of the ceiling fan are superior to those of an air conditioner, so that the ceiling fan is used in many families or public places.

The existing ceiling fan generally comprises a lifting bar, a hanging rod, a motor, a fan head and fan blades, wherein the lifting bar and the motor are respectively connected to two ends of the hanging rod, the fan head is connected to an output shaft of the motor, the fan blades are provided with a plurality of fan blades and connected to the periphery of the fan head, and after the existing ceiling fan is used for a long time, under the action of centrifugal force, the connection part of the fan blades and the fan head is easy to loosen, and even the fan blades fall off to hit people. The existing fan blades are in a strip shape and extend along the radial direction of the fan head, so that the existing ceiling fan is small in air volume, concentrated in wind power and small in fan air range, if the length of the fan blades needs to be increased by increasing the air volume, the occupied space is increased, noise is increased, and the mounting is not facilitated.

Therefore, how to solve the problems of small fan wind range, large noise and easy injury caused by falling of the existing ceiling fan is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the invention aims to provide a novel ceiling fan which can solve the problems that the fan range of the existing ceiling fan is small, the noise is large, and people are easy to hurt by falling.

The application provides a novel ceiling fan, which comprises a lifting bar, a hanging rod, a motor, a fan head and fan blades, wherein an output shaft of the motor is coaxial with the fan head and is in transmission connection with the first end of the fan head, the fan blades are provided with a plurality of fan blades and distributed on the outer peripheral surface of the fan head in a surrounding manner, the fan blades extend along the radial direction of the fan head, the fan blades are obliquely arranged and are gradually close to the first end of the fan head along the first peripheral direction of the fan head, and the fan head and the fan blades are of an integrated structure; the fan blade is wing-shaped, the width of the fan blade is gradually increased along the direction far away from the fan head, the sum of the angles formed by the maximum width positions of the fan blades relative to the central axis of the fan head is more than or equal to 300 degrees, and the edge of the first end, far away from the fan head, of the fan blade is toothed.

Preferably, the motor and the suspension rod are fixedly connected through a fastener, one end of the fastener is arranged on the outer wall of the suspension rod in a surrounding mode, and the other end of the fastener is arranged on the outer wall of the motor in a surrounding mode.

Preferably, the first end of the fastener is set to be a sleeve member sleeved outside the hanging rod, the second end of the fastener is set to be four fixing pieces distributed in a cross shape, and the fixing pieces surround the peripheral surface of the motor and are connected with the motor.

Preferably, the fastener comprises two clamps, the first ends of the two clamps are respectively provided with a semicircular clamping piece, and the two clamping pieces are connected with the suspender through screws to form the kit; the second end of each clamp is provided with two fixing pieces and is connected with the clamping pieces into an integral structure.

Preferably, the suspension rod is coaxial with the output shaft of the motor and is connected to one end far away from the output shaft of the motor; the stator is right angle bending and is two sections, is close to one section edge of clamping piece the radial extension of motor keeps away from one section edge of clamping piece the axial extension of motor.

Preferably, the fan blade includes a first arc edge connected to the fan head, a second arc edge far away from the fan head, a third arc edge close to the first end of the fan head, and a fourth arc edge close to the second end of the fan head, and the third arc edge and the fourth arc edge are both bent along the first circumferential direction.

Preferably, the diameter of the third arc side is larger than the diameter of the fourth arc side.

Preferably, the joints of the third arc edge and the fourth arc edge, and the joints of the third arc edge and the second arc edge are all in arc transition.

Preferably, an upper hanging cover is arranged on the outer side of the hanging flap, and the upper hanging cover is connected with the hanging rod or the hanging flap.

Preferably, a lower hanging cover is arranged on the outer side of the motor, a through hole for the hanging rod to pass through is formed in the lower hanging cover, and the through hole of the lower hanging cover penetrates through the hanging rod to abut against the motor.

The technical scheme provided by the application can comprise the following beneficial effects:

the fan head and the fan blades are integrally molded by injection, so that a connecting structure of the fan blades and the fan head is avoided, the looseness of a connecting part can be avoided, the noise generated by the rotation of the fan blades is reduced, the condition that a single fan blade flies out or drops carelessly is avoided, and the safety of a user is ensured; the fan blades are arranged in a wing shape, so that the larger air cutting area of the fan blades is ensured, the air blowing quantity is further favorably improved, and meanwhile, if the fan heads and the fan blades are separated from the motor and fall carelessly, the fan blades are large in windward area, large in air resistance and slow in falling speed, and cannot easily injure people; when the fan blades cut air and make the air flow downwards, the air is dispersed along the toothed edges on the fan blades, and the air outlet range of the fan blades is enlarged.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present novel ceiling fan, according to some exemplary embodiments;

FIG. 2 is a block diagram of a fan blade according to some exemplary embodiments;

FIG. 3 is a block diagram illustrating a fan blade according to other exemplary embodiments;

FIG. 4 is a block diagram of a fastener shown in accordance with some exemplary embodiments.

In the figure: 1-fan blade, 2-fan head, 3-lower hanging cover, 4-hanging rod, 5-upper hanging cover, 6-fixing piece and 7-clamping piece.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 4, the present embodiment provides a novel ceiling fan, which includes a hanger, a suspension rod 4, a motor, a fan head 2 and fan blades 1, wherein the hanger is used for being fixed to a roof to fix a main body of the ceiling fan to the roof, the hanger and the motor are respectively connected to two ends of the suspension rod 4, an output shaft of the motor is coaxially arranged with the fan head 2, and the output shaft of the motor is in transmission connection with a first end of the fan head 2, specifically, the output shaft of the motor can be fixed inside the fan head 2. Here, the fan head 2 may be formed in a cylindrical shape, a prismatic shape, or a circular truncated cone shape, and it is only necessary that the rotation center of the fan head 2 and the rotation center of the output shaft of the motor are located on the same straight line, that is, in the vertical direction, so as to blow air downward.

The fan blades 1 are arranged in plurality and distributed on the outer circumferential surface of the fan head 2 in a surrounding manner, specifically, the number of the fan blades 1 can be set to 3-5, preferably 3, and the distance between adjacent fan blades 1 and the size of the formed included angle are consistent, so as to ensure the balance and stability of the air blowing of the fan blades 1. The fan blade 1 is connected to the fan head 2 and extends along the radial direction of the fan head 2, and the axial direction of the fan head 2 is vertical when the fan is used, so that the fan blade 1 extends along the horizontal direction, and then the wind is blown out downwards through the fan blade 1.

Moreover, each fan blade 1 is obliquely arranged on the outer peripheral surface of the fan head 2, specifically, the fan blades 1 gradually approach the first end of the fan head 2 along the first circumferential direction of the fan head 2, so that an included angle is formed between the fan blades 1 and the horizontal plane, and further, air can be driven to flow downwards, so that the air circulation is improved, and the air blowing quantity is further improved; here, set up flabellum 1 and fan head 2 as integral type structure, can be with fan head 2 and the integrative injection moulding of flabellum 1, avoid producing the connection structure of flabellum 1 and fan head 2, can avoid the junction not hard up, be favorable to reducing the noise that flabellum 1 rotated the production, the condition that monolithic flabellum 1 flew out or drop carelessly can not appear simultaneously, has guaranteed user's safety.

The fan blade 1 is configured into a wing shape, as shown in fig. 2-3, specifically, the width of the fan blade 1 gradually increases along a direction away from the fan head 2 to form the wing shape, which is beneficial to increasing the air cutting area of the fan blade 1 and increasing the air volume. Here, when the fan blade 1 extends to the maximum width along the direction far away from the fan head 2, the included angle formed by connecting the two ends of the position of the maximum width and the central axis of the fan head 2 is the extension angle of the fan blade 1, because the structures of the fan blades 1 are consistent, the extension angles formed are the same, the sum of the extension angles of the fan blades 1 is set to be greater than or equal to 300 degrees, for example, when the fan blades 1 are three, the extension angle of the fan blade 1 is greater than or equal to 100 degrees, thus, the fan blade 1 is ensured to have a large air cutting area, which is beneficial to improving the air blowing amount, and meanwhile, if the fan head 2 and the fan blade 1 are separated from the motor and drop carelessly, because the windward area of the fan blade 1 is large, the obtained air resistance is large, the falling speed is slow, and people are not.

Wherein, flabellum 1's border sets up to the cusp, specifically, can set up to sawtooth, wave tooth, triangle tooth or square tooth etc. this border is extended by the direction of keeping away from fan head 2, and lie in flabellum 1 and keep away from a side of fan head 2 first end, when flabellum 1 cut wind, and when making the air circulate downwards, the air disperses along the cusp border on the flabellum 1 and opens, and then increases flabellum 1's air-out scope, moreover, reduce the air and flabellum 1's frictional quantity, the noise abatement.

Due to the arrangement, the fan head 2 and the fan blade 1 are integrally molded by injection, so that a connecting structure of the fan blade 1 and the fan head 2 is avoided, looseness of a connecting part can be avoided, noise generated by rotation of the fan blade 1 is reduced, the condition that a single fan blade 1 flies out or falls carelessly is avoided, and safety of a user is guaranteed; the fan blade 1 is arranged in a wing shape, so that the fan blade 1 is ensured to have a larger wind cutting area, the blowing quantity is further favorably improved, and meanwhile, if the fan head 2 and the fan blade 1 are separated from the motor and fall carelessly, the fan blade 1 is large in windward area, large in air resistance, slow in falling speed and not easy to injure people; when the fan blade 1 cuts the air and makes the air flow downward, the air is dispersed along the dentate edge on the fan blade 1, and then the air-out range of the fan blade 1 is enlarged.

In this embodiment, a fastening member is disposed between the motor and the suspension rod 4, and the fastening member has two connecting ends, wherein one connecting end is disposed around the outer wall of the suspension rod 4, and the other connecting end is disposed around the outer wall of the motor, so that the fastening member is connected to the outer wall of the motor and the suspension rod 4, and can prevent the relative rotation between the motor and the suspension rod 4, thereby improving the structural stability. Here, the connection end of the fastener may be fixed to the suspension rod 4 and the motor by a screw.

Specifically, a first end of the fastener is provided with a sleeve piece, and a second end of the fastener is provided with a fixing piece 6, wherein the sleeve piece is sleeved on the outer side of the suspender 4 and is fixed with the suspender 4 through a bolt; stationary blade 6 is provided with four and is the cross and distributes, and the contained angle between four stationary blades 6 is unanimous, is favorable to keeping the equilibrium that fastener and motor are connected, and a plurality of stationary blades 6 encircle the outer peripheral face at the motor moreover and be connected fixedly through bolt and motor, and like this, a plurality of stationary blades 6 are fixed with the motor, are favorable to preventing that the motor from rotating, improve and connect the steadiness.

Furthermore, the fastener comprises two clamps with the same structure, the first ends of the two clamps are provided with semicircular clamping pieces 7, the two clamping pieces 7 are clamped on the outer wall of the suspender 4 through screws, and the two clamps form the kit; and the second end of each clamp is provided with two fixing pieces 6 which are respectively connected to the motor. Here, the stationary blade 6 and the clamping piece 7 are connected into an integral structure, so that the production and the processing are convenient, the disassembly and the assembly are convenient, and the processing and the assembly efficiency are favorably improved.

The hanging rod 4 is coaxially arranged with the output shaft of the motor, and the hanging rod 4 is connected to one end far away from the output shaft of the motor, so that the balance of the novel ceiling fan can be kept under the action of gravity; moreover, the fixing piece 6 is bent into two sections, and the two sections are right-angled, as shown in fig. 4, specifically, one section close to the clamping piece 7 extends along the radial direction of the motor, and one section far away from the clamping piece 7 extends along the axial direction of the motor, so that the motor can be tightly wrapped by the fixing piece 6, and the connection stability can be improved.

In some embodiments, the fan blade 1 includes a first arc edge connected to the fan head 2, a second arc edge far away from the fan head 2, a third arc edge close to the first end of the fan head 2, and a fourth arc edge close to the second end of the fan head 2, wherein the first arc edge and the second arc edge are bent toward the fan head 2, the third arc edge and the fourth arc edge are bent along the first circumference of the fan head 2, and the toothed edge is located at the fourth arc edge, so that the air cutting of the third arc edge is facilitated, the air dispersing of the fourth arc edge is facilitated, the blowing amount is ensured to be large, and the air outlet range is ensured to be large.

Specifically, the diameter on third arc limit is greater than the diameter on fourth arc limit to make the angle of the junction on third arc limit and second arc limit be less than the angle of the junction on fourth arc limit and second arc limit, and then be favorable to the cut wind on third arc limit, and then promote the amount of blowing.

Wherein, the junction on third arc limit and fourth arc limit, third arc limit and second arc limit all passes through the circular arc transition, has guaranteed flabellum 1's smoothness, when the dismouting, prevents flabellum 1 fish tail personnel.

In some embodiments, the outer side of the lifting flap is provided with an upper hanging cover 5, and the upper hanging cover 5 is connected with the hanging rod 4 or the lifting flap, so that dust collection or water inflow at the joint of the lifting flap and the hanging rod 4 can be prevented, and the stable connection of the lifting flap is ensured.

Meanwhile, the outer side of the motor is provided with the lower hanging cover 3, the lower hanging cover 3 is provided with a through hole for the hanging rod 4 to pass through, the through hole of the lower hanging cover 3 passes through the hanging rod 4 to be abutted against the motor, dust collection or water inflow at the joint of the hanging bar and the motor can be prevented, the connection structure is kept stable, and stable operation of the motor is ensured.

It should be noted that the terms "first," "second," "third," "fourth," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The described horizontal, vertical, up and down are indicated when the novel ceiling fan is in the state of being arranged as shown in figure 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. The utility model provides a novel ceiling fan, including lifting bar, jib (4), motor, fan head (2) and flabellum (1), its characterized in that, the output shaft of motor with fan head (2) are coaxial, and the transmission is connected in the first end of fan head (2), flabellum (1) be provided with a plurality ofly and encircle distribute on the outer peripheral face of fan head (2), flabellum (1) extend along the radial of fan head (2), and flabellum (1) slope sets up, and be close to gradually along the first circumference of fan head (2) the first end of fan head (2), fan head (2) and flabellum (1) formula structure as an organic whole; the fan blade (1) is wing-shaped, the width of the fan blade (1) is gradually increased along the direction far away from the fan head (2), the sum of angles formed by the maximum width positions of the fan blades (1) relative to the central axis of the fan head (2) is more than or equal to 300 degrees, and the edge of the first end, far away from the fan head (2), of the fan blade (1) is toothed.

2. The new ceiling fan as claimed in claim 1, wherein said motor is fixed to said suspension rod (4) by means of a fastener, one end of said fastener is disposed around the outer wall of said suspension rod (4), and the other end of said fastener is disposed around the outer wall of said motor.

3. The new ceiling fan as claimed in claim 2, wherein the first end of the fastening member is provided as a sleeve member for being sleeved outside the suspension rod (4), and the second end of the fastening member is provided as four fixing pieces (6) distributed in a crisscross manner, wherein the fixing pieces (6) surround the outer circumferential surface of the motor and are connected with the motor.

4. The new ceiling fan as claimed in claim 3, wherein said fastening means comprises two clamps, the first ends of both said clamps being configured as semi-circular clips (7), the two clips (7) being connected to said hanger bar (4) by screws and forming said kit; the second end of each clamp is provided with two fixing pieces (6) and is connected with the clamping piece (7) to form an integral structure.

5. The new ceiling fan according to claim 4, characterized in that said suspension rod (4) is coaxial with and connected at the end remote from the output shaft of said motor; the fixing piece (6) is bent at a right angle and is divided into two sections, one section of the clamping piece (7) is close to and is along the radial extension of the motor, and one section of the clamping piece (7) is far away from and is along the axial extension of the motor.

6. The new ceiling fan according to claim 1, characterized in that said fan blade (1) comprises a first arc connected to said fan head (2), a second arc remote from said fan head (2), a third arc close to said first end of said fan head (2) and a fourth arc close to said second end of said fan head (2), and in that said third arc and said fourth arc are both curved along said first circumference.

7. The novel ceiling fan of claim 6, wherein the diameter of said third curved edge is greater than the diameter of said fourth curved edge.

8. The novel ceiling fan of claim 6 wherein the junction of said third and fourth curved edges and said third and second curved edges is through a circular arc transition.

9. The new ceiling fan as claimed in claim 1, characterized in that the outer side of the lifting flap is provided with an upper hood (5), the upper hood (5) being connected to the hanger bar (4) or the lifting flap.

10. The new ceiling fan as claimed in claim 1, characterized in that the outside of the motor is provided with a lower hood (3), the lower hood (3) is provided with a through hole for the hanging rod (4) to pass through, and the through hole of the lower hood (3) passes through the hanging rod (4) to abut against the motor.