CN114837988A

CN114837988A - Fan chassis and fan

Info

Publication number: CN114837988A
Application number: CN202210653308.0A
Authority: CN
Inventors: 冉宏宇; 陈其; 刘义刚; 路尧远; 刘辰辰
Original assignee: SUZHOU BEIANG TECHNOLOGY Ltd
Current assignee: SUZHOU BEIANG TECHNOLOGY Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-02
Anticipated expiration: 2042-06-09
Also published as: TW202348925A; JP2023181040A; CN114837988B; TWI828236B; JP7230266B1

Abstract

The application relates to the technical field of household appliances, provides a fan chassis and fan, wherein, fan chassis includes: the upper surface of the chassis is provided with a mounting hole; the first end of the push rod is positioned in the mounting hole, and the second end of the push rod is used for being connected with a fan blade assembly of the fan; and the driving assembly is positioned in the chassis and is connected with the first end of the push rod for driving the push rod to rotate relative to the chassis so as to drive the fan blade assembly to rotate. Through the technical scheme of this application, the noise that produces when the flabellum subassembly that can effectively reduce the fan rotates, and product simple structure, the assembly of being convenient for, whole comparatively pleasing to the eye.

Description

Fan chassis and fan

Technical Field

The application relates to the technical field of household appliances, in particular to a fan chassis and a fan.

Background

With the improvement of consumption level, the fan is used as a necessary electrical appliance for a family, the requirement of people on the fan is higher and higher, the functions are more, and the performance is required to be good, which is the pursuit of the user.

At present, the traditional fan shaking head rotates by shaking the head of a fan blade component of the fan, and the shaking mode has the advantages of high noise, complex structure and no attractiveness.

Disclosure of Invention

An object of the embodiment of the application is to provide a fan chassis, which is used for reducing noise generated when a fan rotates.

In a first aspect, an embodiment of the present application provides a fan chassis, including: the upper surface of the chassis is provided with a mounting hole; the first end of the push rod is positioned in the mounting hole, and the second end of the push rod is used for being connected with a fan blade assembly of the fan; and the driving assembly is positioned in the chassis, is connected with the first end of the push rod and is used for driving the push rod to rotate relative to the chassis so as to drive the fan blade assembly to rotate.

In the above embodiment, the fan chassis includes a chassis, a push rod, and a drive assembly. Wherein, be provided with the mounting hole that is used for installing the push rod on the chassis, the first end of push rod is located the mounting hole, the second end of push rod is used for linking to each other with the flabellum subassembly of fan, drive assembly is located the chassis, and link to each other with the first end of push rod, drive assembly can drive the push rod when moving and be circular motion, thereby drive the flabellum subassembly and rotate, in order to realize shaking the head action of fan, the mode that the relative push rod of flabellum subassembly of having cancelled current fan shaken head, the noise that produces when having reduced the flabellum subassembly and shaking the head, and product simple structure, and the installation of being convenient for, and effectively improved the pleasing to the eye degree of product.

The position of the mounting hole is not limited, and the mounting hole can be arranged in the middle or at the edge of the upper surface of the chassis.

It can be understood that the chassis is of a shell structure and comprises an upper shell and a lower shell, an accommodating space is formed between the upper shell and the lower shell, and the driving assembly is installed in the accommodating space.

In some embodiments, the drive assembly comprises: the driving component is fixedly connected with the first end of the push rod, and the driving component drives the transmission component to move so as to drive the push rod to rotate relative to the chassis.

In the above embodiment, the driving assembly includes a driving member and a transmission assembly connected to the driving member, and by connecting the first end of the push rod to the transmission assembly, the driving member drives the transmission assembly to move, so as to drive the push rod to rotate. It can be understood that, when transmission assembly was gear and chain, the gear linked to each other with the driving piece, and the chain meshes with the gear mutually to can set up the meshing tooth at the periphery side of push rod, and mesh mutually with the chain, like this, when driving piece drive gear rotated, just can drive the relative chassis rotation of push rod through the chain, and then realized driving flabellum subassembly and rotate.

In some embodiments, the transmission assembly includes a gear assembly including a drive gear and a driven gear in meshing engagement with the drive gear; the driving gear is connected with the driving piece, the driven gear is fixedly connected with the first end of the push rod, and the driving piece is suitable for driving the driving gear to rotate so as to drive the driven gear and the push rod to rotate.

In the above-mentioned embodiment, the transmission assembly includes the gear assembly, and the gear assembly includes the driving gear that links to each other with the driving piece and the driven gear who meshes mutually with the driving gear, through the first end and the driven gear fixed connection with the push rod, then when driving piece drive driving gear rotates, just can drive driven gear and push rod and rotate, the structure with original all comparatively simple, easily realize.

It will be appreciated that the drive gear and the driven gear are both horizontally disposed.

In some embodiments, further comprising: the bearing assembly comprises a bearing and a bearing fixing piece, the bearing fixing piece is arranged on the outer periphery side of the bearing and fixedly connected with the chassis and used for fixing the bearing, and the first end of the push rod is tightly matched and connected with the inner periphery side of the bearing.

In the above embodiment, the bearing assembly is arranged in the chassis, and the first end of the push rod is tightly matched and connected with the inner peripheral side of the bearing, so that the stability of the push rod during rotation can be improved, and the stability of the fan blade assembly of the fan during rotation can be improved.

Specifically, the bearing fixing piece is a fixing piece, a fixing groove is formed in the chassis, the bearing fixing piece is arranged in the fixing groove and fixedly connected with the chassis, a limiting groove used for fixing a bearing is formed in the middle of the bearing fixing piece, and the bearing is located in the limiting groove, so that the reliability and the stability of bearing installation are improved.

In some embodiments, the bearing fixing member is provided with a communicating groove along an axial direction of the push rod; the driven gear is provided with a connecting part, and the connecting part is located in the communicating groove and fixedly connected with the first end of the push rod.

In the above embodiment, through set up the intercommunication groove on the bearing mounting, the bearing is fixed to be set up in the intercommunication inslot for driven gear's connecting portion can with the first end fixed connection of push rod, and then can realize that driven gear drives the relative chassis rotation of push rod.

Illustratively, the connecting part is a connecting column and the like formed by partially protruding one side of the driven gear towards the push rod.

It can be understood that the communicating groove is internally provided with a limiting groove, and the bearing is fixedly arranged in the limiting groove.

In some embodiments, the connecting portion has a first gap with an inner wall surface of the communication groove, and the first gap is set in a range of 0.1mm to 0.5 mm.

In the above embodiment, through being provided with first clearance between the internal face at connecting portion and intercommunication groove, thereby it can drive the push rod rotation to have guaranteed that driven gear's connecting portion insert in the intercommunication groove and link to each other with the first end of push rod, when first clearance is too little, cause the dead phenomenon of card to appear between connecting portion and the intercommunication groove easily, when first clearance value is too big, then the push rod is when rotating, take place great rocking again easily, consequently set up first clearance value in the within range of 0.1mm ~ 0.5mm, in order to avoid taking place the dead phenomenon of card between connecting portion and the intercommunication groove, and reduce the rocking phenomenon that produces when the push rod rotates.

In some embodiments, a first annular groove is formed in one side, facing the bearing fixing member, of the driven gear, a plurality of first arc-shaped grooves are formed in one side, facing the driven gear, of the bearing fixing member, the first arc-shaped grooves are arranged at intervals and correspond to the first annular groove, and balls are arranged between the first arc-shaped grooves and the first annular groove.

In the above embodiment, the first annular groove is formed in one side, facing the bearing fixing member, of the driven gear, the plurality of first arc-shaped grooves are formed in one side, facing the driven gear, of the bearing fixing member, the plurality of first arc-shaped grooves are arranged at intervals and correspond to the first annular groove in position, and the balls are arranged between the plurality of first arc-shaped grooves and the first annular groove.

In some embodiments, a second gap is provided between the first end of the push rod and the inner circumferential surface of the mounting hole, and the first gap is set in a range of 0.1mm to 0.5 mm.

In the above embodiment, be provided with the second clearance through between the outer peripheral face of the first end at the push rod and the inner peripheral surface of mounting hole, thereby guaranteed that the push rod can rotate relative to the chassis when inserting in the mounting hole, when the second clearance is too little, cause the dead phenomenon of card to appear between the mounting hole on push rod and chassis easily, when the second clearance value is too big, then the push rod is when rotating, take place great rocking again easily, consequently set up first clearance value in the within range of 0.1mm ~ 0.5mm, in order to avoid taking place the dead phenomenon of card between push rod and the mounting hole, and reduce the rocking phenomenon that produces when the push rod rotates.

In some embodiments, a push rod anti-shaking piece is sleeved on the outer peripheral side of the push rod and is positioned at one end of the push rod close to the chassis; the chassis faces one side of the push rod anti-shaking piece, a second annular groove is formed in the side of the push rod anti-shaking piece, a plurality of second arc-shaped grooves are formed in the side of the push rod anti-shaking piece, the second arc-shaped grooves are arranged at intervals and correspond to the second annular groove, and balls are arranged between the second arc-shaped grooves and the second annular groove.

In the above embodiment, the push rod anti-shaking piece is sleeved on the outer periphery side of the push rod, the bottom of the push rod anti-shaking piece is provided with the second annular groove, the outer periphery side of the mounting hole of the chassis is provided with the second arc-shaped grooves, the second arc-shaped grooves are arranged at intervals and correspond to the second annular groove in position, and the balls are also arranged between the second arc-shaped grooves and the second annular groove.

In a second aspect, an embodiment of the present application provides a fan, including: a fan blade assembly; and the fan chassis according to any of the embodiments of the first aspect, wherein the second end of the push rod is connected with the fan blade assembly.

The fan provided in the embodiment of the second aspect of the present application includes the fan chassis in any one of the embodiments of the first aspect, so that the technical effects in any one of the embodiments described above are achieved, and details are not described herein.

The fan chassis that this application first aspect embodiment provided, the mode that the relative push rod of flabellum subassembly rotated and shaken the head in the current fan has been cancelled, but with the one end fixed connection of flabellum subassembly and push rod, and insert the other end of push rod in the mounting hole on chassis, and utilize drive assembly drive push rod to do circumference or half circumference rotation relative chassis, thereby realize driving the flabellum subassembly and rotate, not only help reducing the relative push rod of flabellum subassembly and rotate the noise that produces when shaking the head, and product simple structure, the installation of being convenient for, and the holistic pleasing to the eye degree of product has been improved.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.

In order to make the aforementioned objects, structures and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is an exploded schematic view of a fan chassis according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of an assembly structure of a fan chassis according to some embodiments of the present disclosure;

FIG. 3 is a cross-sectional structural schematic view of a fan chassis provided in accordance with some embodiments of the present application;

FIG. 4 is a partially exploded view of a fan chassis according to some embodiments of the present disclosure;

FIG. 5 is a schematic top view of a driven gear provided in accordance with certain embodiments of the present application;

FIG. 6 is a schematic bottom view of a bearing retainer according to some embodiments of the present application;

FIG. 7 is a schematic top view of a chassis provided in accordance with certain embodiments of the present application;

FIG. 8 is a schematic bottom view of a putter guard according to some embodiments of the present application;

fig. 9 is a schematic structural diagram of a fan according to some embodiments of the present disclosure.

Reference numerals:

a fan 1000;

a fan chassis 100; a fan blade assembly 200;

a push rod 10; a chassis 20; a drive assembly 30; a bearing assembly 40; a ball 50;

a push rod anti-wobble member 101; a first projection 102; an upper case 201; a lower case 202; a mounting hole 203; a driver 301; a drive gear 302; a driven gear 303; a bearing mount 401; a bearing 402;

a second arc-shaped groove 1011; a second annular groove 2031; a connecting portion 3031; a second projection 3032; a first annular groove 3033; a first recess 3034; a communicating groove 4011; a first arcuate slot 4012.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "two" means two or more unless otherwise specified.

Referring to fig. 1 and fig. 2, an embodiment of the first aspect of the present application provides a fan chassis 100, including: the device comprises a chassis 20, wherein the upper surface of the chassis 20 is provided with a mounting hole 203; a first end of the push rod 10 is located in the mounting hole 203, and a second end of the push rod 10 is used for connecting with a fan blade assembly 200 of the fan; and the driving assembly 30 is located in the chassis 20, and the driving assembly 30 is connected to the first end of the push rod 10 and is used for driving the push rod 10 to rotate relative to the chassis 20 so as to drive the fan blade assembly 200 to rotate.

In the above embodiment, the fan chassis 100 includes the chassis 20, the push rod 10, and the driving assembly 30. Wherein, be provided with the mounting hole 203 that is used for installing push rod 10 on the chassis 20, the first end of push rod 10 is located mounting hole 203, the second end of push rod 10 is used for linking to each other with the flabellum subassembly 200 of fan, drive assembly 30 is located chassis 20, and link to each other with the first end of push rod 10, drive assembly 30 can drive push rod 10 when moving and be circular motion, thereby drive flabellum subassembly 200 and rotate, in order to realize the action of shaking the head of fan, the flabellum subassembly 200 of having cancelled current fan carries out the mode of shaking the head relative to push rod 10, the noise that produces when flabellum subassembly 200 shakes the head has been reduced, and product simple structure, and the installation of being convenient for, and the pleasing to the eye degree of product has effectively been improved.

The position of the mounting hole 203 is not limited, and may be provided in the middle or the edge of the upper surface of the chassis 20.

It can be understood that the chassis 20 is a housing structure, and includes an upper housing 201 and a lower housing 202, and a receiving space is formed between the upper housing 201 and the lower housing 202, and the driving assembly 30 is installed in the receiving space.

Referring to fig. 1, in some embodiments, the driving assembly 30 includes: the driving member 301 and the transmission assembly connected to the driving member 301, the transmission assembly is fixedly connected to the first end of the push rod 10, and the driving member 301 drives the transmission assembly to move, so as to drive the push rod 10 to rotate relative to the chassis 20.

In the above embodiment, the driving assembly 30 includes the driving member 301 and a transmission assembly connected to the driving member 301, and by connecting the first end of the push rod 10 to the transmission assembly, the driving member 301 drives the transmission assembly to move, so as to drive the push rod 10 to rotate. It can be understood that, when the transmission assembly is a gear and a chain, the gear is connected to the driving member 301, the chain is engaged with the gear, and the outer peripheral side of the push rod 10 is provided with engaging teeth and engaged with the chain, so that when the driving member 301 drives the gear to rotate, the push rod 10 can be driven by the chain to rotate relative to the chassis 20, and the fan blade assembly 200 can be driven to rotate.

Referring to fig. 1, in some embodiments, the transmission assembly includes a gear assembly including a drive gear 302 and a driven gear 303 engaged with the drive gear 302; the driving gear 302 is connected to the driving member 301, the driven gear 303 is fixedly connected to the first end of the push rod 10, and the driving member 301 is adapted to drive the driving gear 302 to rotate so as to drive the driven gear 303 and the push rod 10 to rotate.

In the above embodiment, the transmission assembly includes the gear assembly, and the gear assembly includes the driving gear 302 that links to each other with driving piece 301 and the driven gear 303 with driving gear 302 engaged with, through with the first end and the driven gear 303 fixed connection of push rod 10, then when driving piece 301 drive driving gear 302 rotates, just can drive driven gear 303 and push rod 10 and rotate, the structure with original all comparatively simple, easily realize.

It will be appreciated that the drive gear 302 and the driven gear 303 are both horizontally disposed.

Referring to fig. 1 and fig. 3, in some embodiments, the method further includes: the bearing 402 assembly 40 is positioned in the chassis 20, the bearing 402 assembly 40 comprises a bearing 402 and a bearing fixing member 401, the bearing fixing member 401 is arranged on the outer periphery side of the bearing 402 and fixedly connected with the chassis 20 and used for fixing the bearing 402, and the first end of the push rod 10 is in close fit connection with the inner periphery side of the bearing 402.

In the above embodiment, the bearing 402 assembly 40 is disposed in the chassis 20, and the first end of the push rod 10 is tightly fitted and connected to the inner peripheral side of the bearing 402, so as to improve the stability of the push rod 10 during rotation, and further improve the stability of the fan blade assembly 200 of the fan during rotation.

Specifically, bearing fixing member 401 is the mounting, is provided with the fixed slot in chassis 20, and bearing fixing member 401 locates in the fixed slot to with chassis 20 fixed connection, and bearing fixing member 401's middle part is equipped with the spacing groove that is used for fixing bearing 402, and bearing 402 is located the spacing inslot, thereby helps improving the reliability and the stability of bearing 402 installation.

Referring to fig. 1, 3 and 4, in some embodiments, along the axial direction of the push rod 10, the bearing fixing member 401 is provided with a communication groove 4011; the driven gear 303 is provided with a connecting part 3031, and the connecting part 3031 is positioned in the communication groove 4011 and is fixedly connected with the first end of the push rod 10.

In the above embodiment, the communicating groove 4011 is formed in the bearing fixing member 401, and the bearing 402 is fixedly arranged in the communicating groove 4011, so that the connecting portion 3031 of the driven gear 303 can be fixedly connected with the first end of the push rod 10, and the driven gear 303 can drive the push rod 10 to rotate relative to the chassis 20.

Illustratively, the connecting portion 3031 is a connecting column or the like formed by partially protruding one side of the driven gear 303 facing the push rod 10, and the connecting column is fixedly connected with the push rod 10 through a fastener such as a bolt. And a first recess 3034 may be disposed on a side of the connection portion 3031 facing the push rod 10, and a first protrusion 102 may be disposed on a side of the push rod 10 facing the connection portion 3031, wherein the first protrusion 102 is inserted into the second recess, so as to improve the reliability of the connection between the connection portion 3031 and the push rod 10. In addition, a second protrusion 3032 may be further disposed on a side of the connection portion 3031 facing the push rod 10, and a second groove may be further disposed on a side of the push rod 10 facing the connection portion 3031, and the second protrusion 3032 is inserted into the second groove, so as to further improve the reliability of the connection between the connection portion 3031 and the push rod 10. The first protrusion 102 and the second protrusion 3032 may be square or rectangular to prevent relative rotation between the push rod 10 and the connecting portion 3031.

It can be understood that a limiting groove is formed in the communication groove 4011, and the bearing 402 is fixedly arranged in the limiting groove.

In some embodiments, the connection portion 3031 has a first gap with an inner wall surface of the communication groove 4011, and the first gap is set in a range of 0.1mm to 0.5 mm.

In the above embodiment, the first gap is provided between the connecting portion 3031 and the inner wall surface of the communicating groove 4011, so that the connecting portion 3031 of the driven gear 303 is ensured to be inserted into the communicating groove 4011 and can drive the push rod 10 to rotate when being connected with the first end of the push rod 10, when the first gap is too small, the jamming phenomenon between the connecting portion 3031 and the communicating groove 4011 is easily caused, when the first gap value is too large, the push rod 10 is easily greatly shaken when rotating, and therefore the first gap value is set within the range of 0.1mm to 0.5mm, the jamming phenomenon between the connecting portion 3031 and the communicating groove 4011 is avoided, and the shaking phenomenon generated when the push rod 10 rotates is reduced.

Referring to fig. 5 and 6, in some embodiments, a first annular groove 3033 is disposed on a side of the driven gear 303 facing the bearing fixing member 401, a plurality of first arc-shaped grooves 4012 are disposed on a side of the bearing fixing member 401 facing the driven gear 303 at intervals, the plurality of first arc-shaped grooves 4012 are disposed corresponding to the first annular groove 3033, and the ball 50 is disposed between each of the first arc-shaped grooves 4012 and the first annular groove 3033.

In the above embodiment, the first annular groove 3033 is disposed on one side of the driven gear 303 facing the bearing fixing member 401, the plurality of first arc-shaped grooves 4012 are disposed on one side of the bearing fixing member 401 facing the driven gear 303, the plurality of first arc-shaped grooves 4012 are spaced and correspond to the first annular groove 3033, and the rolling balls 50 are disposed between the plurality of first arc-shaped grooves 4012 and the first annular groove 3033, so that when the driven gear 303 drives the push rod 10 to rotate, the plurality of rolling balls 50 can play a role in supporting and preventing shaking, shaking generated when the driven gear 303 rotates can be further reduced, and stability of rotation of the push rod 10 can be further improved.

In some embodiments, the first end of the push rod 10 has a second gap with the inner circumferential surface of the mounting hole 203, and the first gap is set in a range of 0.1mm to 0.5 mm.

In the above embodiment, the second gap is provided between the outer circumferential surface of the first end of the push rod 10 and the inner circumferential surface of the mounting hole 203, so that the push rod 10 can rotate relative to the chassis 20 when inserted into the mounting hole 203, when the second gap is too small, the phenomenon of locking between the push rod 10 and the mounting hole 203 of the chassis 20 is easily caused, when the second gap value is too large, the push rod 10 is easily greatly rocked when rotating, and therefore, the first gap value is set within the range of 0.1 mm-0.5 mm, the phenomenon of locking between the push rod 10 and the mounting hole 203 is avoided, and the rocking phenomenon generated when the push rod 10 rotates is reduced.

Referring to fig. 1, 3, 7 and 8, in some embodiments, a push rod anti-shaking piece 101 is sleeved on an outer circumferential side of the push rod 10, and the push rod anti-shaking piece 101 is located at one end of the push rod 10 close to the chassis 20; wherein, chassis 20 is equipped with second annular groove 2031 towards one side that the push rod prevented shaking piece 101, and the push rod is prevented shaking piece 101 and is equipped with the second arc groove 1011 that a plurality of intervals set up towards one side of chassis 20, and a plurality of second arc grooves 1011 correspond the setting of second annular groove 2031, and all is equipped with ball 50 between second arc groove 1011 and the second annular groove 2031.

In the above embodiment, the push rod anti-shaking piece 101 is sleeved on the outer periphery of the push rod 10, the bottom of the push rod anti-shaking piece 101 is provided with the second annular groove 2031, the outer periphery of the mounting hole 203 of the chassis 20 is provided with the plurality of second arc-shaped grooves 1011, the plurality of second arc-shaped grooves 1011 are arranged at intervals and correspond to the position of the second annular groove 2031, and the balls 50 are also arranged between the plurality of second arc-shaped grooves 1011 and the second annular groove 2031, so when the driven gear 303 drives the push rod 10 to rotate, the plurality of balls 50 can play a role of supporting and preventing shaking, shaking generated when the driven gear 303 drives the push rod 10 to rotate can be further reduced, and the stability of rotation of the push rod 10 can be further improved.

Referring to fig. 9, in a second aspect, an embodiment of the present application provides a fan, including: a fan blade assembly 200; and a fan chassis 100 as in any of the first aspect embodiments, the second end of the pushrod 10 being connected to the fan blade assembly 200.

The fan provided in the embodiment of the second aspect of the present application includes the fan chassis 100 of any one of the embodiments of the first aspect, so that the technical effects of any one of the embodiments described above are achieved, and details are not repeated herein.

In the above embodiment, the fan blade assembly 200 of the fan may be hinged to the second end of the push rod 10, so that the fan blade assembly 200 can rotate up and down relative to the push rod 10 to adjust the blowing angle of the fan blade.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "an embodiment of the present application," or "in one of the embodiments" means that a particular structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in an embodiment of the present application," or "in one of the embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular structures, or characteristics may be combined in any suitable manner in one or both embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

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

Claims

1. A fan chassis, comprising:

the upper surface of the chassis is provided with a mounting hole;

the first end of the push rod is positioned in the mounting hole, and the second end of the push rod is used for being connected with a fan blade assembly of the fan;

and the driving assembly is positioned in the chassis, is connected with the first end of the push rod and is used for driving the push rod to rotate relative to the chassis so as to drive the fan blade assembly to rotate.

2. The fan chassis of claim 1, wherein the drive assembly comprises: the driving component is fixedly connected with the first end of the push rod, and the driving component drives the transmission component to move so as to drive the push rod to rotate relative to the chassis.

3. The fan chassis of claim 2, wherein the transmission assembly comprises a gear assembly including a drive gear and a driven gear in meshing engagement with the drive gear;

the driving gear is connected with the driving piece, the driven gear is fixedly connected with the first end of the push rod, and the driving piece is suitable for driving the driving gear to rotate so as to drive the driven gear and the push rod to rotate.

4. The fan chassis of claim 3, further comprising: the bearing assembly comprises a bearing and a bearing fixing piece, the bearing fixing piece is arranged on the outer periphery side of the bearing and fixedly connected with the chassis and used for fixing the bearing, and the first end of the push rod is tightly matched and connected with the inner periphery side of the bearing.

5. The fan chassis according to claim 4, wherein the bearing fixing member is provided with a communicating groove in an axial direction of the push rod;

the driven gear is provided with a connecting part, and the connecting part is located in the communicating groove and fixedly connected with the first end of the push rod.

6. The fan chassis according to claim 5, wherein a first gap is provided between the connecting portion and an inner wall surface of the communication groove, and the first gap is set in a range of 0.1mm to 0.5 mm.

7. The fan chassis according to any one of claims 4 to 6, wherein a first annular groove is formed in a side of the driven gear facing the bearing fixing member, a plurality of first arc-shaped grooves are formed in a spaced manner in a side of the bearing fixing member facing the driven gear, the plurality of first arc-shaped grooves are arranged corresponding to the first annular groove, and a ball is arranged between each first arc-shaped groove and the corresponding first annular groove.

8. The fan chassis according to any one of claims 1 to 6, wherein a second gap is provided between the first end of the push rod and the inner circumferential surface of the mounting hole, and the first gap is set in a range of 0.1mm to 0.5 mm.

9. The fan chassis according to claim 8, wherein a push rod anti-shaking piece is sleeved on the outer peripheral side of the push rod, and the push rod anti-shaking piece is positioned at one end of the push rod close to the chassis;

the chassis faces one side of the push rod anti-shaking piece, a second annular groove is formed in the side of the push rod anti-shaking piece, a plurality of second arc-shaped grooves are formed in the side of the push rod anti-shaking piece, the second arc-shaped grooves are arranged at intervals and correspond to the second annular groove, and balls are arranged between the second arc-shaped grooves and the second annular groove.

10. A fan, comprising:

a fan blade assembly; and

the fan chassis of any of claims 1-9, wherein the second end of the pushrod is coupled to the fan blade assembly.