CN219242294U

CN219242294U - Electric fan

Info

Publication number: CN219242294U
Application number: CN202223425121.XU
Authority: CN
Inventors: 黄征宇
Original assignee: Jiangmen Runming Technology Co ltd
Current assignee: Jiangmen Runming Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-23
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an electric fan, which comprises a fan head and an upright post. The fan head comprises a shell, wherein the shell is provided with a mounting cavity, a fan motor and a head-swing motor are arranged in the mounting cavity, the fan motor is positioned above the head-swing motor, a rotating shaft of the fan motor penetrates out of the front end of the shell and is connected with fan blades, so that the fan blades can be driven to rotate, the head-swing motor is fixedly connected to the shell, and an output shaft of the head-swing motor penetrates out of the lower end of the shell; the lower part of the shell is rotatably connected to the upper end part of the upright post, the output shaft of the swing motor is fixedly connected with a first gear, the first gear is meshed with a second gear, the second gear is fixedly connected to the upright post, and the swing motor can drive the first gear to rotate and drive the fan head to rotate around the upright post. The electric fan provided by the utility model can be used for enabling a worker to carry out maintenance and maintenance by only opening the fan head by installing the fan motor and the head-swing motor in the fan head, and is simple and convenient to operate, and time and labor are saved.

Description

Electric fan

Technical Field

The utility model relates to the technical field of electric technology, in particular to an electric fan.

Background

In daily life, the electric fan is a household appliance which drives the fan blades to rotate by using the motor, so that air circulates in an accelerating way, is mainly used for cooling and relieving summer heat and circulating air, and is widely used in indoor places such as families, classrooms, offices, shops and the like. Most of electric fans on the market are respectively installed on the fan head and the upright post by the fan motor and the swinging motor, so that a great deal of manpower and time are required to be spent for disassembling and assembling the electric fans when a worker performs maintenance and maintenance, and the operation is complex.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the electric fan, and the fan motor and the swing motor can be installed in the fan head together, so that a worker can perform maintenance and service only by opening the fan head.

The utility model provides an electric fan, which comprises a fan head, wherein the fan head comprises a shell, the shell is provided with a mounting cavity, a fan motor and a swinging motor are arranged in the mounting cavity, the fan motor is positioned above the swinging motor, a rotating shaft of the fan motor penetrates out of the front end of the shell and is connected with fan blades, the swinging motor is fixedly connected with the shell, and an output shaft of the swinging motor penetrates out of the lower end of the shell; the lower part of casing rotatable connect in the upper end of stand, swing the output shaft rigid coupling of first gear of first motor, first gear mesh in the second gear, the second gear rigid coupling in the stand, swing the first gear of ability drive rotates, and drive the fan head is around the stand rotates.

The electric fan according to the embodiment of the utility model has at least the following beneficial effects:

through installing fan motor and the motor of swaying together in the fan head to the mounted position of fan motor and motor of swaying does not interfere each other, makes the staff only need open the fan head and can maintain and maintain, and easy operation is convenient, thereby saves time and manpower.

According to some embodiments of the utility model, the housing is connected with an end cover for closing or opening the mounting cavity, an electric control board is mounted on the inner side of the end cover, and the fan motor and the swing motor are electrically connected to the electric control board.

According to some embodiments of the utility model, the end cap is connected to the upper portion of the housing, one end of the end cap, which is close to the fan blade, is hinged to the housing, and one end of the end cap, which is far away from the fan blade, is fixedly connected to the housing through a locking structure.

According to some embodiments of the utility model, one end of the end cover, which is close to the fan blade, is connected with the shell through a hinge, the locking structure is a buckle arranged on the end cover, the shell is correspondingly provided with a clamping groove, the top of the buckle is provided with a clamping part with a trapezoid cross section, and the buckle is buckled in the clamping groove through the clamping part.

According to some embodiments of the utility model, a plurality of buttons are provided on the outside of the end cap, the buttons being electrically connected to the electronic control board.

According to some embodiments of the utility model, the fan head is provided with a protective cover, the protective cover is in an inverted cone shape, one end with a larger diameter is connected to the lower part of the shell, and the protective cover is arranged around the first gear and the second gear.

According to some embodiments of the utility model, the upright comprises a telescopic rod, an upper end of the telescopic rod is rotatably connected to a lower portion of the housing, and a fixed base is connected to a lower end of the telescopic rod.

According to some embodiments of the utility model, the fixed base is a disc body, and the upright post is connected to the middle part of the disc body.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a rear view of an electric fan according to some embodiments of the present utility model;

FIG. 2 is a side view of an electric fan according to some embodiments of the present utility model;

FIG. 3 is a schematic view of a partial structure of an electric fan according to some embodiments of the present utility model without an end cap opened;

fig. 4 is a schematic view showing a partial structure of an electric fan according to some embodiments of the present utility model when the end cover is opened.

Wherein, the reference numerals:

a fan head 100; a housing 110; a card slot 111; a mounting cavity 120; a fan motor 130; a swing motor 140; a first gear 150; a second gear 160; an end cap 170; a clasp 171; a hinge 180;

a column 200; a telescopic rod 210;

an electric control board 300;

a button 400;

a protective cover 500;

the base 600 is fixed.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 4, an electric fan according to the present utility model includes a fan head 100 and a post 200, the fan head 100 includes a housing 110, the housing 110 is provided with a mounting cavity 120, a fan motor 130 and a swing motor 140 are provided in the mounting cavity 120, the fan motor 130 is located above the swing motor 140, a rotating shaft of the fan motor 130 penetrates out of a front end of the housing 110 and is connected with fan blades, so that the fan blades can be driven to rotate, the swing motor 140 is fixedly connected with the housing 110, and an output shaft of the swing motor 140 penetrates out of a lower end of the housing 110. The lower part of the casing 110 is rotatably connected to the upper end part of the upright post 200, the output shaft of the swing motor 140 is fixedly connected with a first gear 150, the first gear 150 is meshed with a second gear 160, the second gear 160 is fixedly connected to the upright post 200, and the swing motor 140 can drive the first gear 150 to rotate and drive the fan head 100 to rotate around the upright post 200.

It can be appreciated that the fan motor 130 and the swing motor 140 are installed in the fan head 100 together, and the installation positions of the fan motor 130 and the swing motor 140 are not interfered with each other, so that a worker can perform maintenance and service only by opening the fan head 100, and the operation is simple and convenient, thereby saving time and manpower.

Referring to fig. 1 to 4, according to some embodiments of the present utility model, a cover 170 is coupled to a housing 110, the cover 170 is used to close or open a mounting cavity 120, thereby facilitating a worker to open a fan head 100 for maintenance and repair, an electronic control board 300 is mounted on the inner side of the cover 170, and a fan motor 130 and a swing motor 140 are electrically connected to the electronic control board 300. In some embodiments, the outer side of the end cap 170 is provided with a plurality of buttons 400 electrically connected to the electronic control board 300, so as to better control the operation state of the electric fan.

Referring to fig. 1 to 4, according to some embodiments of the present utility model, an end cover 170 is connected to an upper portion of a housing 110, one end of the end cover 170, which is close to a fan blade, is hinged to the housing 110, one end of the end cover 170, which is far away from the fan blade, is fixedly connected to the housing 110 through a locking structure, so that a worker can open the end cover 170 toward the direction of the fan blade, and after opening the end cover 170, the electric control board 300 can be seen from a front view, and the fan motor 130 and the swing motor 140 can be seen from a top view, thereby facilitating the worker to observe the internal condition of the electric fan and perform maintenance.

Referring to fig. 3 and 4, according to some embodiments of the present utility model, one end of the end cover 170, which is close to the fan blade, is connected to the housing 110 through a hinge 180, the locking structure is a buckle 171 disposed on the end cover 170, the housing 110 is correspondingly provided with a clamping groove 111, the top of the buckle 171 is provided with a clamping portion with a trapezoidal cross section, and the buckle 171 is buckled in the clamping groove 111 through the clamping portion, so that a worker can conveniently open or close the end cover 170.

Referring to fig. 1 to 4, according to some embodiments of the present utility model, the fan head 100 is provided with a protection cover 500, the protection cover 500 having an inverse cone shape, one end of the protection cover 500 having a larger diameter is connected to a lower portion of the housing 110, and the protection cover 500 is disposed around the first gear 150 and the second gear 160. It is appreciated that the inverted cone-shaped protection cover 500 can better prevent the first gear 150 and the second gear 160 from being impacted by foreign objects, thereby preventing the first gear 150 and the second gear 160 from being damaged, and further prolonging the service life. It should be understood that the inverted cone is not a limitation of the present utility model, the protection cover 500 may have other shapes such as square, and the material of the protection cover 500 may be plastic or metal, which will not be described herein.

Referring to fig. 1 to 2, according to some embodiments of the present utility model, a stand 200 includes a telescopic rod 210, and the height of an electric fan can be freely adjusted by providing a plurality of telescopic rods 210, so that the electric fan can be applicable to different places, and simultaneously, occupied space can be reduced after the telescopic rods 210 are contracted, so that the electric fan is convenient to carry. The upper end of the telescopic rod 210 is rotatably coupled to the lower portion of the housing 110, and the lower end of the telescopic rod 210 is coupled to the fixing base 600, so that the electric fan can be supported on a fixing plane. In some embodiments, the fixing base 600 is a disc body, and the column 200 is connected to the middle of the disc body. It should be understood that the fixing base 600 is not limited to a disc body, and other structures capable of implementing the placement of the electric fan on the fixing plane can be used as an embodiment of the present utility model, and will not be described herein.

In the embodiment of the present utility model, the connecting member may be a clip or a plate with other shapes, and the connecting manner may be a fastening manner, a screw fixing manner, or a welding manner, which will not be described herein.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. An electric fan, comprising:

the fan head comprises a shell, wherein the shell is provided with a mounting cavity, a fan motor and a swinging motor are arranged in the mounting cavity, the fan motor is positioned above the swinging motor, a rotating shaft of the fan motor penetrates out of the front end of the shell and is connected with fan blades, the swinging motor is fixedly connected with the shell, and an output shaft of the swinging motor penetrates out of the lower end of the shell;

the lower part of casing rotatable connect in the upper end of stand, swing the output shaft rigid coupling of first gear of first motor, first gear mesh in the second gear, the second gear rigid coupling in the stand, swing the first gear of ability drive rotates, and drive the fan head is around the stand rotates.

2. The electric fan of claim 1, wherein the housing is connected with an end cap for closing or opening the installation cavity, an electric control board is installed at an inner side of the end cap, and the fan motor and the swing head are electrically connected to the electric control board.

3. The electric fan as claimed in claim 2, wherein the end cap is connected to an upper portion of the housing, one end of the end cap, which is close to the fan blade, is hinged to the housing, and one end of the end cap, which is far from the fan blade, is fixedly connected to the housing through a locking structure.

4. The electric fan as claimed in claim 3, wherein the end of the end cover close to the fan blade is connected with the housing through a hinge, the locking structure is a buckle arranged on the end cover, the housing is correspondingly provided with a clamping groove, the top of the buckle is provided with a clamping portion with a trapezoid cross section, and the buckle is buckled in the clamping groove through the clamping portion.

5. The electric fan of claim 2, wherein a plurality of buttons are provided on an outer side of the end cover, and the buttons are electrically connected to the electric control board.

6. An electric fan as claimed in claim 1, wherein the fan head is provided with a protection cover having an inverted cone shape, the end of the protection cover having a large diameter is connected to the lower portion of the housing, and the protection cover is provided around the first gear and the second gear.

7. The electric fan as claimed in claim 1, wherein the upright includes a telescopic rod, an upper end of which is rotatably connected to a lower portion of the housing, and a lower end of which is connected to a fixing base.

8. The electric fan as claimed in claim 7, wherein the fixing base is a disc body, and the upright post is connected to a middle portion of the disc body.