CN218934789U

CN218934789U - Fan with large fan surface range

Info

Publication number: CN218934789U
Application number: CN202223186023.5U
Authority: CN
Inventors: 麦泳
Original assignee: Zhongshan Chunkai Electric Appliance Co ltd
Current assignee: Zhongshan Chunkai Electric Appliance Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-04-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a fan with a large fan surface range, which comprises a base, a rocker box and a fan head, wherein the fan head is arranged at the top end of the rocker box; a first transmission motor and a second transmission motor are arranged in the rocker arm box, and the fan head is connected with the first transmission motor; the base is provided with a connector, teeth are arranged in the connector, and the second transmission motor is meshed with the teeth. The novel combined type air conditioner has the advantages of simple structure, excellent effect, convenience in assembly, reasonable design and the like; therefore, it is a product with excellent performance both technically and economically.

Description

Fan with large fan surface range

[ field of technology ]

The utility model mainly relates to a fan with a large fan area.

[ background Art ]

At present, most fans in the market have a left-right head shaking function and are generally driven mechanically by a synchronous motor. The synchronous motor is mechanically driven by a four-bar mechanism, so that the mechanism occupies larger space, the processing and assembling errors are extremely easy to cause uneven head shaking speed, the service life is shorter, the long-term use reliability is poor, and the effect is poor. The wind surface formed by the shaking head of the fan is an arc section, and the area of the wind surface is small; in view of this, we propose a new fan structure scheme that enables smooth rotation.

[ utility model ]

In order to solve the problems, a new technical scheme is provided, and the fan with the large fan area adopts the following technical scheme:

a fan with a large fan area comprises a base, a rocker box and a fan head, wherein the fan head is arranged at the top end of the rocker box, the bottom end of the rocker box is arranged on the base, and the rocker box is obliquely arranged relative to the base;

a first transmission motor and a second transmission motor are arranged in the rocker arm box, and the fan head is connected with the first transmission motor; the base is provided with a connector, teeth are arranged in the connector, and the second transmission motor is meshed with the teeth.

Preferably, the base has a seat post, and the joint is mounted on the top end of the seat post; the joint is provided with a cavity, and the tooth ring is arranged on the inner wall of the joint.

Preferably, a transmission gear and a driving gear are arranged in the rocker arm box, the driving gears are respectively arranged at the rotating ends of the first transmission motor and the second transmission motor, and the transmission gears are meshed with the driving gears of the first transmission motor; the teeth are meshed with a driving gear of the second transmission motor.

Preferably, the rocker arm box is provided with a butt joint part, the second transmission motor is arranged on the butt joint part, and the butt joint part is connected with the joint to mount the rocker arm box on the seat rod.

Preferably, an included angle is formed between the abutting portion and the rocker arm box.

Preferably, the fan head comprises a follow-up motor and a fan wing, the follow-up motor comprises a motor part and an inserting part, an included angle is formed between the motor part and the inserting part, and the fan wing is arranged on the motor part.

Preferably, the inserting part is inserted into the rocker arm box and connected with the transmission gear, the inserting part and the transmission gear are both provided with lock holes, and the locking piece is connected with the lock holes in a penetrating way so as to fixedly connect the inserting part and the transmission gear.

Compared with the background technology, the utility model has the beneficial effects that:

the utility model provides a fan structure with a large fan area, which adopts a bidirectional driving structure, a first transmission motor and a second transmission motor are arranged in a rocker arm box, and driving gears are respectively arranged on the two transmission motors; wherein the drive gear and the drive gear meshing of first drive motor, the grafting portion rigid coupling of the follow-up motor of fan head is at drive gear, because the follow-up motor has the contained angle, when first drive motor drive follow-up motor rotated, the fan head was the ring form and rotates, compares with the traditional wind face of controlling the shake head, has improved the air-out face area by a wide margin. The second transmission motor rotates along the teeth through the driving gear of the second transmission motor, so that the rocker arm box and the fan head integrally rotate, the wind direction of the fan is changed, the traditional connecting rod mechanism transmission is replaced by gear transmission, the occupation of space is reduced, and the rotation angle is stable.

[ description of the drawings ]

FIG. 1 is a schematic view of a fan with a large fan area according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a first exploded view of a fan with a large fan area according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of a second split structure of a fan with a large fan area according to a preferred embodiment of the present utility model;

FIG. 4 is a schematic view of a fan with a large fan area according to a preferred embodiment of the present utility model;

FIG. 5 is a schematic diagram of a follower motor according to a preferred embodiment of the present utility model.

[ detailed description ] of the utility model

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.

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific scope of protection of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" or "a second" feature may explicitly or implicitly include one or more such feature, and in the description of the utility model, the meaning of "a number" is two or more, unless otherwise specifically defined.

In the present utility model, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.

The technical scheme and the beneficial effects of the utility model are more clear and definite by further describing the specific embodiments of the utility model with reference to the drawings in the specification. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the utility model and are not to be construed as limiting the utility model.

The preferred embodiments provided by the utility model are: as shown in fig. 1 to 5, a fan with a large fan area comprises a base 1, a rocker box 2 and a fan head 3, wherein the fan head 3 is arranged at the top end of the rocker box 2, the bottom end of the rocker box 2 is arranged on the base 1, and the rocker box 2 is obliquely arranged relative to a seat rod 11 of the base 1;

a first transmission motor 21 and a second transmission motor 22 are arranged in the rocker arm box 2, the first transmission motor 21 and the second transmission motor 22 are respectively arranged at the top end and the bottom end of the rocker arm box 2, and the fan head 3 is connected with the first transmission motor 21; the base 1 is provided with a joint 4, teeth 41 are arranged in the joint 4, and the second transmission motor 22 is meshed with the teeth 41. The base 1 is provided with a seat rod 11, and the joint 4 is arranged at the top end of the seat rod 11; the joint 4 has a cavity, and the teeth 41 are annularly arranged on the inner wall of the joint 4.

A transmission gear 23 and a driving gear 24 are arranged in the rocker arm box 2, the driving gear 24 is respectively arranged at the rotating ends of the first transmission motor 21 and the second transmission motor 22, and the transmission gear 23 is meshed with the driving gear 24 of the first transmission motor 21; the teeth 41 are engaged with the driving gear 24 of the second transmission motor 22.

The rocker box 2 is provided with a butt joint part 25, the butt joint part 25 is positioned at the bottom end of the rocker box 2, the second transmission motor 22 is arranged at the butt joint part 25, and the butt joint part 25 is connected with the joint 4 to mount the rocker box 2 on the seat rod 11. An included angle A is formed between the abutting part 25 and the rocker box 2; the fan head 3 comprises a follow-up motor 31 and a fan wing 32, the follow-up motor 31 comprises a motor part 33 and an inserting part 34, a stator and rotation are arranged in the motor part, an included angle B is formed between the motor part 33 and the inserting part 34, and the fan wing 32 is arranged on the motor part 33. The included angle of the follower motor 31 corresponds to the included angle of the rocker arm box 2, and the included angle of the follower motor 31 is compensated by the included angle of the rocker arm box 2, so that the motor part 33 is kept horizontal. In this embodiment, the driving and rotating parts of each motor adopt the existing stator and rotor structures, and the connection between the butt joint part and the joint can adopt shaft connection.

The inserting part 34 is inserted into the rocker arm box 2 and is connected with the transmission gear 23, the inserting part 34 and the transmission gear 23 are both provided with lock holes 35, and the lock piece is connected with the lock holes 35 of the inserting part and the transmission gear in a penetrating way so as to fixedly connect the fan head 3 with the transmission gear 23, and when the transmission gear 23 rotates, the fan head 3 also rotates along with the rotation; the locking piece adopts conventional screw, and further, fixes through screwed connection between each part. The rocker arm box 2 is provided with a plate seat 26 and a clamping plate 27, the plate seat 26 and the clamping plate 27 are fixed on the rocker arm box 2, the first transmission motor 21 is arranged on the plate seat 26, the plate seat 26 is provided with an opening 28, and the inserting part 34 passes through the opening 28 and is connected with the transmission gear 23; the second transmission motor 22 is fixed at the abutting part 25, the clamping plate 27 is provided with a bayonet 29, and the second transmission motor 22 is embedded in the bayonet 29.

In the patent, a bidirectional driving structure is adopted, a first transmission motor and a second transmission motor are arranged in a rocker arm box, and driving gears are respectively arranged on the two transmission motors; wherein the drive gear and the drive gear meshing of first drive motor, the grafting portion rigid coupling of the follow-up motor of fan head is at drive gear, because the follow-up motor has the contained angle, when first drive motor drive follow-up motor rotated, the fan head was the ring form and rotates, compares with the traditional wind face of controlling the shake head, has improved the air-out face area by a wide margin. The second transmission motor rotates along the teeth through the driving gear of the second transmission motor, so that the rocker arm box and the fan head integrally rotate, the wind direction of the fan is changed, the traditional connecting rod mechanism transmission is replaced by gear transmission, the occupation of space is reduced, and the rotation angle is stable.

In the description of the present utility model, a description of the terms "one embodiment," "preferred," "example," "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 utility model, and a schematic representation of the terms described above in the present specification does 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.

From the above description of the structure and principles, it should be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, but rather that modifications and substitutions using known techniques in the art on the basis of the present utility model fall within the scope of the present utility model, which is defined by the appended claims.

Claims

1. A fan of a large fan area, characterized by: the device comprises a base, a rocker box and a fan head, wherein the fan head is arranged at the top end of the rocker box, the bottom end of the rocker box is arranged on the base, and the rocker box is obliquely arranged relative to the base;

2. A large fan area fan according to claim 1, wherein: the base is provided with a seat rod, and the connector is arranged at the top end of the seat rod; the joint is provided with a cavity, and the tooth ring is arranged on the inner wall of the joint.

3. A large fan area fan according to claim 1, wherein: the rocker arm box is internally provided with a transmission gear and a driving gear, the driving gear is respectively arranged at the rotating ends of the first transmission motor and the second transmission motor, and the transmission gear is meshed with the driving gear of the first transmission motor; the teeth are meshed with a driving gear of the second transmission motor.

4. A large fan area fan according to claim 1, wherein: the rocker arm box is provided with a butt joint part, the second transmission motor is arranged on the butt joint part, and the butt joint part is connected with the connector to install the rocker arm box on the seat rod.

5. A large fan area fan according to claim 4 wherein: an included angle is formed between the abutting part and the rocker arm box.

6. A large fan area fan according to claim 1, wherein: the fan head comprises a follow-up motor and a fan wing, wherein the follow-up motor comprises a motor part and an inserting part, an included angle is formed between the motor part and the inserting part, and the fan wing is arranged on the motor part.

7. A large fan area fan according to claim 6 wherein: the inserting part is inserted into the rocker arm box and connected with the transmission gear, the inserting part and the transmission gear are both provided with lock holes, and the locking piece is connected with the lock holes in a penetrating way so as to fixedly connect the inserting part and the transmission gear.