CN217176996U

CN217176996U - Fan

Info

Publication number: CN217176996U
Application number: CN202122635096.7U
Authority: CN
Inventors: 刘艳丽
Original assignee: Shunde Kingtec Appliances Co ltd
Current assignee: Shunde Kingtec Appliances Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-08-12
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a fan, including the casing with establish the flabellum subassembly on the casing, the outside of casing and flabellum subassembly is equipped with the flabellum cover, and the side of flabellum cover has been arranged and has been equipped with air filter on air intake and the air intake. So set up, not only accessible air filter screen filters the dust, and the air filter screen that sets up moreover can play the effect of decorating, promotes whole aesthetic property.

Description

Fan

Technical Field

The utility model relates to a fan technical field especially relates to a fan.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

An electric fan, also called fan and fanner, is a household electrical appliance which uses an electric motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air. The product is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like.

At present, with the increasingly serious air pollution problem and the increasing health awareness of people, the air blowing fan is expected to have an air filtering effect on all blowing products, and meanwhile, as people are increasingly looking at the beauty of the products, how to realize the filtering function of the fan and improve the beauty of the products are problems to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a fan filters the dust through air filter.

The utility model discloses a following technical scheme realizes: the utility model provides a fan, includes the casing and establishes the flabellum subassembly on the casing, and the outside of casing and flabellum subassembly is equipped with the flabellum cover, and the side of flabellum cover has arranged the air intake and is equipped with the air filter screen on the air intake.

In one embodiment, the fan blade shroud is cylindrical and the air screen is annular.

In one embodiment, the fan blade cover is fixedly connected or detachably connected with the air filter screen.

In one embodiment, when the fan blade cover is detachably connected with the air filter screen, a fixing structure is arranged between the fan blade cover and the air filter screen, the fixing structure comprises a clamping rib and a clamping hole, one of the clamping rib and the clamping hole is arranged on the fan blade cover, and the other of the clamping rib and the clamping hole is arranged on the air filter screen.

In one embodiment, the air screen is made of non-woven fabric or cotton cloth.

In one embodiment, the device also comprises a base connected with the shell, the shell can rotate up and down relative to the base, and an elastic connecting piece is arranged between the base and the shell; when the shell rotates downwards, the elastic connecting piece is stressed and deformed; when the shell rotates upwards, the elastic connecting piece is deformed and restored.

In one embodiment, the resilient connecting member is a torsion spring, a flat spiral spring or a flat spring.

In one embodiment, the base is provided with a rotating shaft; when the elastic connecting piece is a torsion spring, the torsion spring is arranged on the rotating shaft in a penetrating way, and two tail ends of the torsion spring are respectively fixed on the shell and the rotating shaft.

In one embodiment, the rotating shaft comprises a rotating shaft body and a rotating shaft end cover arranged at one end of the rotating shaft body, an accommodating space is arranged between the rotating shaft end cover and the shell, and the torsion spring is located in the accommodating space.

In one embodiment, an annular rib is arranged on one side of the rotating shaft end cover facing the shell, the torsion spring is arranged on the annular rib in a penetrating mode, and two tail ends of the torsion spring are fixed on the shell and the rotating shaft end cover respectively.

Compared with the prior art, the utility model discloses following beneficial effect has: through set up air filter screen on the flabellum cover, not only accessible air filter screen filters the dust, and the air filter screen who sets up moreover can play the effect of decorating, promotes whole aesthetic property.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the fan of the present invention without a filter screen.

Fig. 2 is the utility model discloses a fan is equipped with the spatial structure schematic diagram that sets up the filter screen.

Fig. 3 is a schematic view of the three-dimensional structure of the filter screen of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the fan of the present invention after the fan blade cover is removed.

Fig. 5 is a schematic perspective view of the outer shell shown in fig. 4 with a portion of the outer shell hidden (for convenience, a portion of the outer shell is hidden).

Fig. 6 is a schematic perspective view of the shaft end cover shown in fig. 5 (a part of the structure, such as the housing, is hidden for convenience of illustration of the internal structure).

Fig. 7 is a schematic perspective view of the torsion spring of the present invention.

Fig. 8 is a schematic perspective view of the first angle of the rotating shaft end cover according to the present invention.

Fig. 9 is a schematic perspective view of a second angle of the rotating shaft end cover according to the present invention.

The reference symbols in the figures represent the following meanings: a base 100; a housing 200; a drive mechanism 3; a fan blade assembly 4; a fan blade cover 5; an air inlet 6; an air screen 17; a clamping rib 7; a torsion spring 8; a shaft body 91; a shaft end cap 92; an annular bead 10; an arc-shaped rack guide rail 11; a counterweight 14; a stopper post 15; and limiting stop ribs 16.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 4, the present invention discloses a fan, which comprises a base 100, a housing 200 disposed on the base 100, and a driving mechanism 3 for driving the housing 200 to rotate up and down relative to the base 100, wherein the driving mechanism 3 drives the housing 200 to rotate up and down to realize the up-and-down air supply function of the fan.

Wherein, not shown in the figures, the base 100 may further be provided with a horizontal rotation device to drive the casing 200 to rotate left and right, and simultaneously, the up-down air supply function and the left-right air supply function of the fan are realized.

As shown in fig. 1-3, a fan blade assembly 4 is disposed on the casing 200, a fan blade cover 5 is disposed outside the casing 200 and the fan blade assembly 4, an air inlet 6 is disposed on a side surface of the fan blade cover 5, and an air filter 17 is disposed on the air inlet 6. So set up, not only accessible air filter 17 filters the dust, and the air filter 17 that sets up moreover can play the effect of decoration, promotes whole aesthetic property. As shown in fig. 1-3, the shape of the air filter 17 matches the shape of the side of the casing 200, so as to further improve the integration of the air filter 17 and the fan blade cover 5 and improve the appearance.

Wherein, the fan blade cover 5 is cylindrical, and the air filter screen 17 is annular. The fan blade cover 5 can be square or cylindrical, wherein, in a preferred embodiment, the cylindrical fan blade cover 5 is adopted to make the air filter screen 17 in a circular ring shape, and the air flow is relatively gentle when the air enters the surface of the circular ring-shaped air filter screen 17, and the air noise is small.

Wherein, the fan blade cover 5 is fixedly connected or detachably connected with the air filter screen 17. The air filter screen 17 can be fixedly attached to the fan blade cover 5 by using adhesive and the like, has the advantage of stable installation, and can be connected in a detachable manner to facilitate replacement or cleaning of the air filter screen 17.

Wherein, when being detachable between flabellum cover 5 and the air filter screen 17 and being connected, be equipped with fixed knot between flabellum cover 5 and the air filter screen 17 and construct, fixed knot constructs including card muscle 7 and card hole, and one of them of card muscle 7 and card hole is established on flabellum cover 5, and one of them another of card muscle 7 and card hole is established on air filter screen 17. The clamping mode of the clamping ribs 7 and the clamping holes is adopted, and the installation is convenient and simple. In one embodiment, the clamping ribs 7 are arranged on the fan blade cover 5, the clamping holes are formed in the air filter screen 17, the clamping ribs 7 are arranged in a plurality and are uniformly distributed along the circumferential direction of the fan blade cover 5, and the clamping holes are arranged corresponding to the clamping ribs 7.

Wherein, the air filter 17 is made of non-woven fabrics or cotton fabrics. In one embodiment, the air filter 17 is a non-woven fabric, which has a better filtering effect.

As shown in fig. 5-9, an elastic connector is disposed between the housing 200 and the base 100; when the shell 200 rotates downwards, the elastic connecting piece is stressed and deformed; when the housing 200 is rotated upward, the elastic connection member is deformed to be restored. Through set up elastic connection spare between casing 200 and base 100, elastic connection spare atress takes place deformation when making casing 200 rotate downwards, and elastic connection spare does not receive the power and deformation resumes when casing 200 upwards rotates to provide the effort when utilizing elastic connection spare's deformation characteristic for casing 200 upwards rotates, thereby reduce the work load of driving motor among the actuating mechanism 3 when driving casing 200 relative base 100 upwards rotation.

Wherein, the elastic connecting piece is a torsion spring 8, a plane scroll spring or a flat spring. In a preferred embodiment, the resilient connecting member is a torsion spring 8, the torsion spring 8 facilitating the installation.

Wherein, the base 100 is provided with a rotating shaft; when the elastic connecting member is a torsion spring 8, the torsion spring 8 is disposed on the rotating shaft in a penetrating manner and two ends of the torsion spring 8 are respectively fixed on the housing 200 and the rotating shaft. The torsion spring 8 is fixed through the rotating shaft, and meanwhile, two tail ends of the torsion spring 8 are arranged on the shell 200 and the rotating shaft, so that when the shell 200 rotates relative to the base 100, the torsion spring 8 is stressed to deform, and the structure is simple.

The rotating shaft includes a rotating shaft body 91 and a rotating shaft end cover 92 disposed at one end of the rotating shaft body 91, an accommodating space is disposed between the rotating shaft end cover 92 and the housing 200, and the torsion spring 8 is disposed in the accommodating space. The rotating shaft end cover 92 effectively protects the torsion spring 8 and also provides a certain limiting effect, thereby achieving two purposes.

In one embodiment, the torsion spring 8 is disposed on the rotating shaft body 91, and two ends of the torsion spring 8 are respectively fixed on the housing 200 and the rotating shaft end cap 92. The torsion spring 8 is fixed through the rotating shaft body 91, and the two ends of the torsion spring 8 are arranged on the shell 200 and the rotating shaft end cover 92, so that when the shell 200 rotates relative to the base 100, the torsion spring 8 is stressed to deform, and the structure is simple. In another embodiment, an annular rib 10 is disposed on one side of the shaft end cap 92 facing the housing 200, the torsion spring 8 is disposed on the annular rib 10, and two ends of the torsion spring 8 are respectively fixed to the housing 200 and the shaft end cap 92. The torsion spring 8 is fixed by the annular convex rib 10, and the two ends of the torsion spring 8 are arranged on the shell 200 and the rotating shaft end cover 92, so that when the shell 200 rotates relative to the base 100, the torsion spring 8 is stressed to deform, and the structure is simple.

Wherein, be equipped with arc rack guide rail 11 in the periphery of pivot end cover 92, actuating mechanism 3 includes the gear and the gear motor that is used for drive gear pivoted with arc rack guide rail 11 tooth joint. The installation of torsional spring 8 is not only made things convenient for to the pivot end cover 92 that sets up, simultaneously, provides the installation position for arc rack guide rail 11, kills two birds with one stone, design benefit.

Wherein, the casing 200 is provided with an upper and a lower rotation pivot, the casing 200 is provided with a fan blade assembly 4 at the front side of the upper and the lower rotation pivot, and the casing 200 is provided with at least one balancing weight 14 at the rear side of the upper and the lower rotation pivot. Through the weight block 14, the weight difference between the two side members of the upper and lower rotation pivot points is reduced, or the weight of the two side members of the upper and lower rotation pivot points is balanced, so that the workload of the driving motor in the driving mechanism 3 when the driving housing 200 is driven to rotate upward relative to the base 100 is reduced. The weight of the weight 14 may be less than or equal to the weight of the fan blade assembly 4, or greater than the weight of the fan blade assembly 4, and generally speaking, the weight of the weight 14 is the same as or equal to the weight of the fan blade assembly 4.

When the base 100 is provided with a rotating shaft and the shell 200 is correspondingly provided with a rotating shaft hole, a rotating fulcrum is formed on the rotating shaft hole; when the base 100 is provided with a rotation shaft hole and the housing 200 is correspondingly provided with a rotation shaft, a rotation fulcrum is formed on the rotation shaft.

The housing 200 is provided with a position-limiting post 15 and/or a position-limiting rib 16 for limiting the position of the weight block 14, so as to prevent the weight block 14 from shifting. In a preferred embodiment, the housing 200 is provided with a limiting column 15 and a limiting rib 16 for limiting the position of the counterweight 14, so that the structure is more stable.

When the housing 200 is provided with the limiting post 15, the counterweight block 14 is provided with a limiting hole matched with the limiting post 15. The displacement of the balancing weight 14 is prevented by the cross-connection and matching of the limiting column 15 and the limiting hole.

Wherein, the housing 200 is square, and two balancing weights 14 are provided and are disposed at two opposite sides of the housing 200. By being disposed on two opposite sides of the housing 200, the weight of the two opposite sides of the housing 200 is balanced.

Wherein, the balancing weight 14 is a strip shape as a whole. The counterweight 14 with a strip-shaped structure facilitates the arrangement of other components on the housing 200, and has less interference in the installation of other components.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a fan, include the casing and establish the flabellum subassembly on the casing, a serial communication port, the outside of casing and flabellum subassembly is equipped with the flabellum cover, the side of flabellum cover is arranged and is equipped with air filter on air intake and the air intake, be detachable connection between flabellum cover and the air filter, be equipped with fixed knot between flabellum cover and the air filter and construct, fixed knot constructs including card muscle and card hole, one of them of card muscle and card hole is established on the flabellum cover, card muscle and one of them another of card hole are established on the air filter.

2. The fan of claim 1 wherein the fan blade shroud is cylindrical and the air screen is annular.

3. The fan as claimed in claim 1, wherein the air screen is made of a non-woven fabric or a cotton fabric.

4. The fan as claimed in claim 1, further comprising a base connected to the housing, wherein the housing is rotatable up and down relative to the base and an elastic connector is provided between the base and the housing; when the shell rotates downwards, the elastic connecting piece is stressed and deformed; when the shell rotates upwards, the elastic connecting piece is deformed and restored.

5. The fan as claimed in claim 4, wherein the elastic connection member is a torsion spring, a flat spiral spring or a flat spring.

6. The fan as claimed in claim 5, wherein the base is provided with a rotating shaft; when the elastic connecting piece is a torsion spring, the torsion spring is arranged on the rotating shaft in a penetrating way, and two tail ends of the torsion spring are respectively fixed on the shell and the rotating shaft.

7. The fan as claimed in claim 6, wherein the shaft includes a shaft body and a shaft cover provided at one end of the shaft body, an accommodating space is provided between the shaft cover and the housing, and the torsion spring is disposed in the accommodating space.

8. The fan as claimed in claim 7, wherein the shaft cover has an annular rib on a side thereof facing the housing, the torsion spring is inserted through the annular rib, and both ends of the torsion spring are fixed to the housing and the shaft cover, respectively.