CN210440266U

CN210440266U - Combined fan

Info

Publication number: CN210440266U
Application number: CN201921386477.2U
Authority: CN
Inventors: 丁睿; 张培德; 陈正超; 徐余良; 陈志聪; 梁健华
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-01
Anticipated expiration: 2029-08-23

Abstract

The utility model provides a modular fan includes: a tower fan body; the rotating fan is hinged on the upper end face of the tower fan body; the driving assembly is arranged in the tower fan body, and the driving end of the driving assembly acts on the rotating fan to drive the rotating fan to rotate; wherein the drive assembly comprises: the motor is arranged inside the tower fan body, and a motor shaft of the motor is provided with a driving gear; the driven gear is meshed with the driving gear; and the ejector rod is arranged on the driven gear and rotates along with the driven gear, and the ejector rod acts on the rotating fan to drive the rotating fan to rotate. The utility model discloses in will rotate the fan and articulate the upper end at tower fan body to but make the wind gap of rotating the fan relatively tower fan body take place to rotate under drive assembly's effect, change the air-out angle, increase air-out position, especially in the direction of height, improved the not nimble problem of the air-out scope of original tower fan.

Description

Combined fan

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to modular fan.

Background

The tower fan throws out wind through the cross flow fan to form airflow, and the airflow is rotated through the wind wheel to generate centrifugal wind force, and finally the wind force is transmitted out through the inner wind guide wall. Since the cross-flow wind wheel is generally cylindrical, a tower fan is used to obtain a three-dimensional airflow wall, or called an "air curtain", which is perpendicular to the ground and swings to blow air. In addition, the cross-flow wind wheel is provided with a plurality of fan blades, so that the air supply is uniform and soft, and is very close to natural wind, and the cross-flow wind wheel is deeply loved by consumers due to the characteristic of soft air outlet.

The tower fan is mainly used in living rooms such as a living room of a consumer, the consumer mostly takes a sitting posture or a lying posture in the environment, the air outlet range of the tower fan is designed by the designer according to the height from the ground when the consumer takes the state, and the design can prevent the phenomenon that the air outlet range is too large, so that the increase of useless power consumption and the waste of energy are caused. The air outlet height of the existing tower fan is generally in the range of 30cm to 100cm from the ground.

However, with the continuous rise of temperature in recent years, the amount of sweat generated by a human body increases, and a user with sweat wants to be in the blowing range of the tower fan for the purpose of urgent blowing or protecting furniture for cleaning, but the height of the air discharged by the tower fan cannot be blown to the head of the user, which affects the user experience.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the not flexible enough defect of range of blowing of tower fan among the prior art to a modular fan is provided.

In order to solve the above problem, the utility model provides a modular fan includes: a tower fan body; the rotating fan is hinged on the upper end face of the tower fan body; the driving assembly is arranged in the tower fan body, and the driving end of the driving assembly acts on the rotating fan to drive the rotating fan to rotate; wherein the drive assembly comprises: the motor is arranged inside the tower fan body, and a motor shaft of the motor is provided with a driving gear; the driven gear is meshed with the driving gear; and the ejector rod is arranged on the driven gear and rotates along with the driven gear, and the ejector rod acts on the rotating fan to drive the rotating fan to rotate.

Furthermore, a clearance groove is formed in the upper end face of the tower fan body and corresponds to the ejector rod.

Further, the jack rod includes: a connecting portion connected to a rotation center of the driven gear; a support part disposed on the connection part; and the sliding groove is arranged on the supporting part.

Furthermore, the lower end face of the rotating fan is provided with a switching rod, and the switching rod is movably connected in the sliding groove in a penetrating mode.

The utility model provides a combination formula fan still includes the slider, sets up in the spout, be provided with the via hole on the slider, the activity of switching pole is cup jointed in the via hole.

Further, a hinge portion is provided at a lower end surface of the rotary fan and an upper end portion of the tower fan body, the hinge portion being configured to be provided along an end surface edge of the rotary fan or the tower fan body.

Furthermore, the hinge part comprises a groove formed on the upper end surface of the tower fan body and a support lug which protrudes out of the lower end surface of the rotating fan and is arranged in the groove.

Further, the drive assembly is disposed proximate the hinge.

Furthermore, a driven gear connecting seat is arranged on the tower fan body, the ejector rod and the driven gear are installed on the driven gear connecting seat through a connecting shaft, and the ejector rod and the driven gear move synchronously.

Further, the rotating fan is an axial fan.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a combination formula fan includes: a tower fan body; the rotating fan is hinged on the upper end face of the tower fan body; the driving assembly is arranged in the tower fan body, and the driving end of the driving assembly acts on the rotating fan to drive the rotating fan to rotate; wherein the drive assembly comprises: the motor is arranged inside the tower fan body, and a motor shaft of the motor is provided with a driving gear; the driven gear is meshed with the driving gear; and the ejector rod is arranged on the driven gear and rotates along with the driven gear, and the ejector rod acts on the rotating fan to drive the rotating fan to rotate.

The utility model discloses in the upper end setting rotation fan of tower fan body, the wind gap that generally rotates the fan sets up to convenient and tower fan cooperation in the body, realize the circulation with higher speed of air. But the wind gap of rotating the fan sets up, can not blow people's head, the utility model discloses in will rotate the fan and articulate the upper end at tower fan body to but make the wind gap of rotating the fan under drive assembly's effect tower fan body relatively take place to rotate, change the air-out angle, increase air-out position, especially in the direction of height, improved the not nimble problem of the air-out scope of original tower fan.

2. The utility model provides an in the combination formula fan on the up end of tower fan body with the dead slot has been seted up to ejector pin correspondence department to make things convenient for the ejector pin can be used in the lower terminal surface department that rotates the fan.

3. The utility model provides an among the combination formula fan the ejector pin includes: a connecting portion connected to a rotation center of the driven gear; a support part disposed on the connection part; the sliding groove is formed in the supporting portion, and the ejector rod rotates and drives the switching rod to move in the sliding groove. The utility model discloses in with driven gear direct drive ejector pin to the ejector pin drives the rotation that rotates the fan, simple structure.

4. The utility model provides a still include the slider in the combination formula fan, set up in the spout, be provided with the via hole on the slider, the switching pole activity cross-under in the via hole, the setting of slider has reduced the noise in the motion process.

5. The utility model provides an in the combination formula fan the lower terminal surface of rotating the fan with the upper end of tower fan body is provided with articulated portion, articulated portion is constructed as the edge the rotating fan or the terminal surface border setting of tower fan body. The hinge part is arranged at a position convenient for the rotation of the rotating fan, so that the interference between the hinge part and the tower fan body in the rotating process is reduced as much as possible, the structural change of the tower fan body is reduced, and the design is simplified.

6. The utility model provides an in the combination formula fan articulated portion is in including the shaping recess and the protrusion of tower fan body up end department the lower terminal surface of rotating the fan sets up and arranges in journal stirrup in the recess. The utility model discloses in will realize hiding the journal stirrup through setting up the journal stirrup in the recess, be favorable to rotating the rotatory in-process of fan, guarantee articulated portion not to leak outward, do not influence the aesthetic property of combination formula fan, on the other hand also can reduce the too big problem in clearance between the up end of the lower terminal surface of rotating the fan that probably brings because of articulated portion sets up and tower fan body.

7. The utility model provides an in the combination formula fan drive assembly is close to articulated portion sets up. The hinge part, the rack and the rotating fan form a structure similar to a right triangle, when the rotating fan rotates around the hinge part at the same angle, the closer the rack is to the hinge part, the smaller the rotating radian is, and the less the part exposed outside is, thereby being beneficial to maintaining the aesthetic property of the combined fan.

Drawings

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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 front view of a combination fan according to an embodiment of the present invention;

fig. 2 is a sectional view of a combined fan according to an embodiment of the present invention;

fig. 3 is a diagram illustrating an open state of a rotating fan in a combined fan according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a top rod in the combined fan according to the embodiment of the present invention;

fig. 5 is an appearance structure diagram of the combined fan in the embodiment of the present invention.

Description of reference numerals:

1-a tower fan body;

2-rotating the fan;

3-a drive assembly; 31-a motor; 32-a drive gear; 33-a driven gear; 34-a mandril; 341-a connecting portion; 342-a support portion; 343-a chute;

4-a transfer lever;

5-a slide block; 51-via holes;

6-a hinge; 61-a lug; 62-groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

As shown in fig. 1 to 5, a combined fan provided for the embodiment includes: a tower fan body 1; the rotating fan 2 is hinged on the upper end face of the tower fan body 1; the driving component 3 is arranged in the tower fan body 1, and the driving end of the driving component acts on the rotating fan 2 to drive the rotating fan 2 to rotate; wherein the drive assembly 3 comprises: a motor 31 arranged inside the tower fan body 1, wherein a motor shaft is provided with a driving gear 32; a driven gear 33 meshed with the drive gear 32; and the push rod 34 is arranged on the driven gear 33 and rotates along with the driven gear 33, and the push rod 34 acts on the rotating fan 2 to drive the rotating fan 2 to rotate.

The rotary fan 2 in this embodiment is a commonly used axial fan, and has a simple structure and a low cost, and is easy to select and install due to its mature technology.

Of course, in some other embodiments, the above-mentioned rotating fan 2 may also be a bladeless fan.

It should be further noted that, when the axial flow fan of this embodiment is in the initial installation position, the air inlet thereof is disposed upward, and in the rotation process thereof, the air inlet assembly faces the user, so as to ensure that the air outlet direction of the axial flow fan is substantially the same as the air outlet direction of the through-flow air outlet on the tower fan body 1, and thus ensure the whole body of the user to feel the wind.

The tower fan body 1 in this embodiment is nearly cylindric structure, rotates fan 2 for with the cylindric structure of tower fan body 1 isodiametric, rotates fan 2 and installs on the up end of tower fan body 1 with the coaxial footpath of tower fan body 1 to guarantee the uniformity and the aesthetic property that whole combination formula fan encloses the appearance.

The rotating fan 2 in this embodiment is internally provided with an axial flow motor, the upper end surface is provided with a latticed air outlet, and the axial flow motor is arranged on the axis of the whole rotating fan 2 so as to ensure the stability in the rotating process.

Further, a cross-flow fan is installed on the tower fan body 1, an air outlet of the cross-flow fan is arranged on the side wall of the tower fan body 1, and the wind direction is perpendicular to the side wall.

In this embodiment, set up in the upper end of tower fan body 1 and rotate fan 2, will rotate fan 2 and articulate the upper end at tower fan body 1 to make the wind gap that rotates fan 2 rotate relative tower fan body 1 under drive assembly 3's effect, change the air-out angle, increase the air-out position, especially in the direction of height, improved the not flexible enough problem of air-out scope of original tower fan.

Further, a clearance groove is formed in the upper end face of the tower fan body 1 corresponding to the ejector rod 34, so that the ejector rod can act on the lower end face of the rotating fan 2 conveniently.

As shown in fig. 4, the jack 34 includes: a connecting portion 341 connected to a rotation center of the driven gear 33, wherein a short shaft is formed at a gear center of the driven gear 33 in a protruding manner, the connecting portion 341 is in a shaft sleeve structure, is mounted on the short shaft in an interference fit manner, and rotates together with the rotation of the driven gear 33, and a supporting portion 342 is in a rod-shaped structure and is integrally formed on the connecting portion 341; the sliding groove 343 is arranged on the supporting part 342, and the push rod 34 has simple structure and convenient installation.

As shown in fig. 2, the lower end surface of the rotating fan 2 is integrally formed with an adapter rod 4, and the adapter rod 4 is movably inserted into the sliding groove 343. The chute 343 moves to drive the switching rod 4 therein to rotate.

In order to reduce the resistance of rotating fan 2 in the rotation process in this embodiment, slider 5 has still been set up, installs in spout 343, and processing has via hole 51 on slider 5, and adapter rod 4 activity cross-under is in via hole 51, and when driven gear 33 rotated, drive ejector pin 34 and rotate together, and the slider 5 that slips in the spout 343 in ejector pin 34 rotates along with, and then drives adapter rod 4 and moves, realizes rotating fan 2's rotation operation.

The following provides a detailed explanation of how the rotating fan 2 is hinged to the tower fan body 1:

the lower end face of the rotating fan 2 and the upper end portion of the tower fan body 1 are formed with a hinge portion 6, and the hinge portion 6 is configured to be disposed along the edge of the end face of the rotating fan 2 or the tower fan body 1. The hinge portion 6 is disposed at a position convenient for the rotation of the rotary fan 2 to reduce interference with the tower fan body 1 during the rotation process as much as possible, and to reduce structural changes to the tower fan body 1 to simplify the design.

Further, the hinge portion 6 includes a groove 62 formed at the upper end surface of the tower fan body 1 and a support lug 61 protruding out of the lower end surface of the rotating fan 2 and disposed in the groove, mounting holes are processed on two opposite groove walls of the groove 62, mounting holes are also processed at the positions corresponding to the mounting holes on the groove walls of the support lug 61, and the rotating shaft is inserted into the mounting holes, so as to realize the hinge connection of the rotating fan 2 and the tower fan body 1.

Further, the driving component 3 is arranged close to the hinge portion 6, the adapter rod 4 and the rotating fan 2 form a structure similar to a right triangle, when the rotating fan 2 rotates around the hinge portion 6 at the same angle, the closer the adapter rod 4 is to the hinge portion 6, the smaller the rotating radian is, the fewer the parts exposed outside are, and the attractiveness of the combined fan is maintained.

The tower fan body 1 is provided with a driven gear connecting seat, the ejector rod 34 and the driven gear are installed on the driven gear connecting seat through a connecting shaft, and the ejector rod 34 and the driven gear move synchronously. The mounting seat is a base with a gear shaft, and is locked on the inner side wall of the tower fan body 1 by screws, and the driven gear is sleeved on the gear shaft.

In other embodiments, the driven gear mounting seat may be directly formed on the inner sidewall of the tower fan body 1, and an injection molding process may be adopted.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A modular fan, comprising:

a tower fan body (1);

the rotating fan (2) is hinged to the upper end face of the tower fan body (1);

the driving assembly (3) is arranged in the tower fan body (1), and the driving end of the driving assembly acts on the rotating fan (2) to drive the rotating fan (2) to rotate;

wherein the drive assembly (3) comprises:

the motor (31) is arranged inside the tower fan body (1), and a driving gear (32) is arranged on a motor shaft of the motor;

a driven gear (33) meshed with the driving gear (32);

and the ejector rod (34) is arranged on the driven gear (33) and rotates along with the driven gear (33), and the ejector rod (34) acts on the rotating fan (2) to drive the rotating fan (2) to rotate.

2. The combined fan as claimed in claim 1, wherein a clearance groove is formed on the upper end surface of the tower fan body (1) at a position corresponding to the ejector rod (34).

3. Combined fan according to claim 2, characterised in that the ejector pin (34) comprises:

a connecting portion (341) connected at a rotation center of the driven gear (33);

a support portion (342) provided on the connection portion (341);

a slide groove (343) provided on the support portion (342).

4. The combined fan according to claim 3, wherein an adapter rod (4) is arranged on the lower end face of the rotary fan (2), and the adapter rod (4) is movably connected in the sliding groove (343) in a penetrating manner.

5. The combined fan according to claim 4, further comprising a sliding block (5) disposed in the sliding groove (343), wherein a through hole (51) is disposed on the sliding block (5), and the adapting rod (4) is movably inserted into the through hole (51).

6. Combined fan according to claim 5, characterised in that the lower end face of the rotating fan (2) and the upper end of the tower fan body (1) are provided with a hinge part (6), which hinge part (6) is configured to be provided along the end face edge of the rotating fan (2) or the tower fan body (1).

7. The combined fan according to claim 6, wherein the hinge portion (6) comprises a groove formed at an upper end surface of the tower fan body (1) and a lug provided to protrude from a lower end surface of the rotating fan (2) and placed in the groove.

8. Combined fan according to claim 7, characterised in that the drive assembly (3) is arranged close to the hinge (6).

9. The combined fan according to claim 2, wherein the tower fan body (1) is provided with a driven gear connecting seat, the push rod (34) and the driven gear are mounted on the driven gear connecting seat through a connecting shaft, and the push rod (34) and the driven gear move synchronously.

10. Combined fan according to any of claims 1-9, characterised in that the rotating fan (2) is an axial fan.