CN113669280A

CN113669280A - Circulating fan

Info

Publication number: CN113669280A
Application number: CN202010411631.8A
Authority: CN
Inventors: 陈小平; 陈伟健; 唐清生
Original assignee: Yunmi Internet Technology Guangdong Co Ltd
Current assignee: Yunmi Internet Technology Guangdong Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-11-19

Abstract

The embodiment of the invention discloses a circulating fan, which comprises a base and a driving mechanism, wherein a supporting rod is arranged on the base, the driving mechanism comprises a telescopic rod sleeved in the supporting rod and a transverse motor arranged on the telescopic rod, the output end of the transverse motor is connected with a supporting frame, a fan body is arranged on the supporting frame, and the transverse motor is arranged on the telescopic rod and used for driving the fan body on the supporting frame to rotate.

Description

Circulating fan

Technical Field

The invention relates to the field of household appliances, in particular to a circulating fan.

Background

Compared with the traditional electric fan, the circulating fan can blow out the wind spirally along a certain direction, and the spiral columnar wind can be formed along with the stirring of the fan blades.

Generally, the distance of wind blown out by the circulating fan is far, the wind has better directionality, the contact surface of the wind and surrounding air is larger, the surrounding air is scattered, more air is driven to participate in indoor air circulation, indoor air circulation is accelerated, and therefore indoor temperature is balanced.

At present, the driving mechanism of the existing circulating fan is arranged on one side of the supporting rod close to the fan body, and the structure is relatively complex and not attractive.

Disclosure of Invention

The invention provides a circulating fan, which can be used for arranging a transverse motor on a telescopic rod and driving a fan body on a supporting frame to rotate, and has the advantages of simple structure and more compact and attractive overall structure.

The present invention provides a circulation fan, comprising:

the base is provided with a supporting rod;

the driving mechanism comprises a telescopic rod sleeved in the supporting rod and a transverse motor installed on the telescopic rod, wherein the output end of the transverse motor is connected with a supporting frame, and a fan body is installed on the supporting frame.

In the circulation fan, the telescopic rod comprises a telescopic rod body and a transverse motor fixing part arranged at the upper end of the telescopic rod body, and the transverse motor is arranged on the transverse motor fixing part.

In the circulation fan, the transverse motor fixing part is provided with a motor fixing groove, and the shape and the size of the motor fixing groove are matched with those of the transverse motor.

In the circulation fan, the telescopic rod further comprises a transverse motor cover body and a first bearing, the output end of the transverse motor is fixed on the transverse motor cover body through the first bearing, and the support frame is arranged on the outer side of the transverse motor cover body.

In the circulation fan, the driving mechanism further comprises an adapter, a first bearing installation part is arranged on the transverse motor cover body, the adapter is installed on the first bearing installation part through the first bearing, and the support frame is connected with the transverse motor through the adapter.

In the circulating fan, the support frame is in a U-shaped structure, one end of the support frame is connected with the adapter, and the fan body is arranged at the other end of the support frame.

In the circulation fan of the present invention, a distance between both ends of the support frame is greater than a diameter of the fan body so that the fan body can be mounted in the recess of the support frame.

In the circulation fan of the invention, the fan body comprises a front shell, a rear shell and fan blades, the front shell is combined with the rear shell to form an accommodating space, the fan blades are arranged in the accommodating space, and the rear shell is arranged on the support frame.

In the circulation fan of the present invention, a bracket mounting groove is provided on the rear case, and the support bracket is mounted in the bracket mounting groove.

In the circulation fan, the fan body further comprises a fan motor for driving the fan blades to rotate, and the fan motor is fixed on the rear shell.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs a circulation fan, because the horizontal motor is installed on the telescopic link of cover in locating the bracing piece for the fan organism on the drive support frame rotates, simple structure not only, overall structure seems compacter moreover pleasing to the eye.

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

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a circulation fan according to the present invention;

FIG. 2 is another schematic view of the circulation fan of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the circulation fan of FIG. 1;

FIG. 4 is an exploded schematic view of the circulation fan of FIG. 1;

FIG. 5 is a sectional structural view of the drive mechanism in FIG. 1;

FIG. 6 is an exploded schematic view of the drive mechanism of FIG. 1;

FIG. 7 is a partially exploded view of the drive mechanism of FIG. 1;

FIG. 8 is a partially exploded view of the drive mechanism of FIG. 1;

FIG. 9 is a partially exploded view of the drive mechanism of FIG. 1;

FIG. 10 is a partially exploded view of the drive mechanism of FIG. 1;

FIG. 11 is a partially exploded view of the drive mechanism of FIG. 1;

FIG. 12 is an exploded view of the fan housing of FIG. 1;

fig. 13 is an exploded schematic view of the fan body of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientation or positional relationship illustrated in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 13, the present application provides a circulation fan, which includes a base 10, a driving mechanism 20 and a fan body 30, wherein the base 10 includes a seat plate 12 and a support rod 11 disposed on the seat plate 12, the driving mechanism 20 includes an expansion link 21 and a support frame 22 disposed above the expansion link 21, the fan body 30 is connected to the support frame 22 and away from the expansion link 21, the expansion link 21 is sleeved in the support rod 11 for adjusting the longitudinal height of the fan body 30, so that the fan body 30 can stay at a preset height according to the requirement of a user.

In this embodiment, the driving mechanism 20 further includes a transverse motor 23, the transverse motor 23 is mounted on the telescopic rod 21, and an output end of the transverse motor 23 is in transmission connection with the supporting frame 22, so as to drive the fan body 30 on the supporting frame 22 to swing left and right, which is simple in structure but practical.

Specifically, the support rod 11 is provided with a support rod through hole (not shown in the figure), and the shape and size of the support rod through hole are matched with those of the telescopic rod 21, so that the telescopic rod 21 can be just put into the support rod through hole and fixed through an adjusting device outside the support rod 11.

In an alternative embodiment, the telescopic rod 21 comprises a telescopic rod body and a transverse motor fixing part 25 arranged at the upper end of the telescopic rod body, and the transverse motor 23 is mounted on the transverse motor fixing part 25.

Specifically, the transverse motor fixing portion 25 includes a locking housing 251 and a fixing housing 252, wherein the end of the telescopic rod body located outside the supporting rod 11 is provided with a telescopic rod fixing end 211, the locking housing 251 is locked on the telescopic rod fixing end 211 through a screw, then the fixing housing 252 is installed on the locking housing 251, and the fixing housing 252 is used for fixing the transverse motor 23.

In an alternative embodiment, the transverse motor fixing portion 25 is provided with a motor fixing groove (not shown in the figure), wherein the shape and size of the motor fixing groove are matched with the shape and size of the transverse motor 23, so that the transverse motor 23 can be installed in the motor fixing groove, which not only facilitates the installation of the transverse motor 23, but also makes the structure of the telescopic rod 21 more compact and the design more reasonable.

In an alternative embodiment, the telescopic rod 21 further comprises a transverse motor housing 26 and a first bearing 28, wherein the output end of the transverse motor 23 is fixed on the transverse motor housing 26 through the first bearing 28, and the support frame 22 is disposed outside the transverse motor housing 26, so that not only the transmission stability of the transverse motor 23 can be improved, but also the noise generated by the transverse motor 23 during operation can be reduced.

Specifically, the transverse motor cover 26 includes a cover body 261 and a cover body 262, the cover body 262 is covered on the cover body 261, and the cover body 261 is installed in the fixed housing 252. Wherein, be equipped with first bearing installation department (not shown in the figure) on the cover body 261, first bearing 28 is fixed on first bearing installation department, and the output of transverse motor 23 passes first bearing 28 and cover body 262 in proper order after and be connected with the transmission of support frame 22, so not only can increase the fore-and-aft transmission distance of transverse motor 23, but also can ensure the driven stability of transverse motor 23, the output of noise when avoiding transverse motor 23 to transmit.

In an alternative embodiment, the drive mechanism 20 further comprises an adapter 27, the adapter 27 being secured to the outer race of a first bearing 28, the inner race of the first bearing 28 being mounted on the first bearing mounting portion. In the present embodiment, one end of the adapter 27 is connected to the support frame 22, and the other end of the adapter 27 is connected to the traverse motor 23.

Specifically, cover body 261 can be processed into solid construction to ensure cover body 261 the intensity on first bearing installation department position, the both ends of adapter 27 are equipped with torque transmission hole and torque output shaft respectively, wherein, torque transmission hole be used for with transverse electric motor 23's output shaft, torque output shaft is connected to support frame 22, be used for driving fan organism 30 horizontal hunting on the support frame 22.

After the technical scheme is adopted, the telescopic rod body, the locking shell 251, the fixed shell 252, the cover body 261 and the cover body 262 are designed in a split mode, and then the telescopic rod body, the locking shell 251, the fixed shell 252, the cover body 261 and the cover body 262 are assembled together, so that the telescopic rod body, the locking shell 251, the fixed shell 252, the cover body 261 and the cover body 262 are convenient to form and design, meanwhile, different materials can be selected for the telescopic rod body, the locking shell 251, the fixed shell 252, the cover body 261 and the cover body 262 according to the requirements of the strong hardness of the applied parts of the telescopic rod body, the locking shell 251, the fixed shell 252, the cover body 261 and the cover body 262, and the manufacturing cost is saved.

In an alternative embodiment, the support frame 22 is in a U-shaped configuration, and has one end connected to the adapter 27 and the other end connected to the fan body 30.

Specifically, the distance between the two ends of the supporting frame 22 is greater than the diameter of the fan body 30, so that the fan body 30 can be installed in the recessed portion of the supporting frame 22, which not only facilitates the installation and the disassembly of the fan body 30, but also ensures the strength and the rigidity of the supporting frame 22, i.e., the whole fan body 30 can be accommodated in the recessed portion of the supporting frame 22, one end of the central supporting frame 22 of the rear shell of the fan body 30 is connected, and the lower end of the fan body 30 can be attached to the side face of the other end of the supporting frame 22.

In an alternative embodiment, a longitudinal motor 24 is disposed between the supporting frame 22 and the fan body 30, wherein the longitudinal motor 24 is fixed on the supporting frame 22, and an output end of the longitudinal motor 24 is in transmission connection with the fan body 30, so that the fan body 30 can make up-and-down swinging motion on the supporting frame 22.

Specifically, the supporting frame 22 includes a first housing 221 and a second housing 222 that are fastened to each other, wherein the longitudinal motor 24 is disposed in a mounting cavity formed after the first housing 221 and the second housing 222 are fastened to each other.

It should be noted that the supporting frame 22 can be directly fixed on the telescopic rod body, or can be connected with the telescopic rod body through the transverse motor 23, and the application adopts a use mode of combining the transverse motor 23 and the longitudinal motor 24, mainly for realizing the left-right and up-down swinging of the circulating fan.

In this embodiment, the first housing 221 is provided with a first circular engaging portion 2211 at a position for mounting the vertical motor 24, the second housing 222 is provided with a second circular engaging portion 2211 at a position for mounting the vertical motor 24, and one end of the second housing 222 away from the second circular engaging portion 2211 is provided with a support frame rotating shaft 2222. After the first housing 221 and the second housing 222 are fastened together, the first circular fastening portion 2211 and the second circular fastening portion 2211 just can form a mounting cavity for mounting the longitudinal motor 24, and the support frame rotating shaft 2222 is used for being connected with the adapter 27, so that the whole structure of the circulating fan is more compact, and the design is more reasonable.

In an alternative embodiment, the driving mechanism 20 further includes a longitudinal motor mounting portion 29, and an end of the longitudinal motor mounting portion 29 opposite to the longitudinal motor 24 is provided with a mounting portion rotating shaft, wherein the fan body 30 is fixed in the mounting portion rotating shaft and an output end of the longitudinal motor 24, so that the longitudinal motor 24 can drive the fan body 30 to perform an up-and-down swinging motion on the supporting frame 22 when in operation.

Specifically, a longitudinal motor mounting groove (not shown in the figure) is formed in the longitudinal motor mounting portion 29, a notch (not shown in the figure) is formed in one side of the longitudinal motor mounting groove, and after the longitudinal motor 24 is mounted in the longitudinal motor mounting groove, the wire arranging end of the longitudinal motor 24 is clamped in the notch, so that the positioning function can be achieved, and meanwhile wire arranging of the longitudinal motor 24 is facilitated.

In an alternative embodiment, the second bearing 291 is connected between the mounting portion rotating shaft and the fan body 30, an inner ring of the second bearing 291 is connected with the mounting portion rotating shaft, and an outer ring of the second bearing 291 is connected with the fan body 30, so as to ensure smooth rotation of the fan body 30 relative to the support frame 22.

In an alternative embodiment, a torque shaft 241 is connected to an output end of the longitudinal motor 24, wherein a torque output end of the torque shaft 241 is connected to the fan body 30 for driving the fan body 30 to swing up and down.

In an alternative embodiment, the fan body 30 includes a front shell 32 and a rear shell 31 that are fastened to each other, wherein the mounting portion rotating shaft and the output end of the longitudinal motor are both mounted on the rear shell 32, so as to drive the whole fan body 30 to swing through the rear shell 32.

Specifically, the back shell 32 is provided with a support mounting groove 313, and the support 22 is mounted in the support mounting groove 313, in this embodiment, the support mounting groove 313 is located in the middle of the back shell 32, and has a size that can just place the first circular fastening portion 2211 and the second circular fastening portion 2211 therein, and at the same time, the support mounting groove 313 is ensured to be able to rotate relative to the first circular fastening portion 2211 or the second circular fastening portion 2211.

In an optional embodiment, the driving frame 311 is installed on the bracket installation groove 313, and the installation part rotating shaft and the output end of the longitudinal motor 24 are fixed on the driving frame 311, so as to ensure the strength and rigidity of the rear casing 32, that is, the driving frame 311 is installed in the bracket installation groove 313, and then the longitudinal motor 24 controls the driving frame 311 to drive the rear casing 32 and even the whole fan body 30 to rotate, so that not only the contact surface between the driving frame 311 and the rear casing 32 can be increased, and the stability of transmission is improved, but also the materials of the rear casing 32 and the driving frame 311 can be selected according to requirements, which is beneficial to the selection of the molding process of the rear casing 32 and the driving frame 311.

In an alternative embodiment, the driving frame 311 includes a first frame and a second frame, the first frame and the second frame are mounted on the bracket mounting groove 313 after being fastened, in this embodiment, the first frame and the second frame have substantially the same structure, one end of the first frame mounted inside the bracket mounting groove 313 is provided with a mounting step, and two opposite ends of the first frame and the second frame are provided with fastening steps, so that the first frame and the second frame are mounted in the bracket mounting groove 313 after being fastened, and the strength and the rigidity of the first frame and the second frame can be improved.

In an alternative embodiment, a first frame transmission hole 3111 is provided on the first frame, and a second frame transmission hole is provided on the second frame, wherein the torque shaft 241 is installed in the first frame transmission hole 3111, and the second bearing 291 is installed in the second frame transmission hole.

Specifically, when the supporting frame 22 is connected to the fan body 30, the first frame and the second frame are fastened to the outer sides of the first circular fastening portion 2211 and the second circular fastening portion 2211, wherein the second frame transmission hole just falls into the torque shaft 241, the second frame transmission hole just falls into the second bearing 291, the fastening steps of the first frame and the second frame are fastened by screws, and finally the first frame and the second frame are installed in the supporting frame installation groove 313.

In an alternative embodiment, the rear case 32 is further provided with a frame cover 312, and the frame cover 312 is covered on the outer side of the driving frame 311, so that the first and second

circular fastening parts

2211 and 2211 can rotate in the bracket mounting groove 313 on the inner side of the frame cover 312.

In an alternative embodiment, the fan body 30 further includes a fan blade 33 and a fan motor 34 for driving the fan blade 33 to rotate, wherein the front shell 32 is joined with the rear shell 31 and forms a receiving space, the fan blade 33 is disposed in the receiving space, and the fan motor 34 is fixed on the rear shell 31.

Specifically, fan body 30 still includes motor fixed bolster 35, be equipped with the holding tank with fan motor 34's shape and size looks adaptation on the motor fixed bolster 35, the both sides of holding tank are equipped with the ka tai, fix behind the holding tank at fan motor 34, motor fixed bolster 35 is fixed on backshell 32 through the ka tai, wherein, motor fixed bolster 35 just is relative with drive frame 311's position, make in fan motor 34's focus can disperse support frame 22 through drive frame 311, reduce backshell 32 to fan motor 34's burden.

In addition, it should be noted that, in the present application, the fan body 30 is connected to the telescopic rod 21 through the supporting frame 22, and then the telescopic rod 21 is sleeved on the supporting rod 11, so that not only the whole circulation fan is more compact, but also the cables of the fan motor 34 and the longitudinal motor 24 are convenient to arrange, that is, the supporting frame 22 can be set to be a hollow shell structure, and the cables of the fan motor 34 and the longitudinal motor 24 are set in the hollow shell structure.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A circulation fan, comprising:

the base is provided with a supporting rod;

2. The circulation fan as claimed in claim 1, wherein the telescopic bar comprises a telescopic bar body and a transverse motor fixing part provided at an upper end of the telescopic bar body, the transverse motor being mounted on the transverse motor fixing part.

3. The circulation fan as claimed in claim 2, wherein the transverse motor fixing portion is formed with a motor fixing groove having a shape and size matched with those of the transverse motor.

4. The circulation fan according to claim 2, wherein the extension bar further comprises a transverse motor housing and a first bearing, an output end of the transverse motor is fixed to the transverse motor housing through the first bearing, and the support frame is disposed outside the transverse motor housing.

5. The circulation fan of claim 4, wherein the drive mechanism further comprises an adapter, a first bearing mounting portion is arranged on the transverse motor cover body, the adapter is mounted on the first bearing mounting portion through the first bearing, and the support frame is connected with the transverse motor through the adapter.

6. The circulation fan as claimed in claim 5, wherein the support frame is formed in a U-shaped structure, one end of the support frame is connected to the adaptor, and the fan body is mounted on the other end of the support frame.

7. The circulation fan of claim 6, wherein a distance between both ends of the support frame is greater than a diameter of the fan body so that the fan body can be mounted in a recess of the support frame.

8. The circulation fan as claimed in claim 1, wherein the fan body comprises a front casing, a rear casing and fan blades, the front casing is coupled with the rear casing to form a receiving space, the fan blades are disposed in the receiving space, and the rear casing is mounted on the support frame.

9. The circulation fan as claimed in claim 8, wherein a bracket mounting groove is provided on the rear case, and the support bracket is mounted in the bracket mounting groove.

10. The circulation fan of claim 8, wherein the fan body further comprises a blower motor for driving the fan blades to rotate, the blower motor being fixed to the rear case.