CN110821896A

CN110821896A - Filtration and bladeless fan

Info

Publication number: CN110821896A
Application number: CN201911088765.4A
Authority: CN
Inventors: 俞浩
Original assignee: Dreame Technology Shanghai Co Ltd
Current assignee: Dreame Technology Shanghai Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-02-21

Abstract

The invention discloses a filtering structure and a bladeless fan, which are characterized by comprising: a filter frame having a hollow interior; the filter assembly is hollow and concentrically sleeved on the filter frame, wherein the filter frame and the filter shell are arranged at intervals in the radial direction to form a filter space between the outer side wall of the filter frame and the inner side wall of the filter shell, the filter shell comprises at least two groups of wrapping filter screens arranged at the periphery of the filter frame, and every two filter screens are provided with connecting assemblies to realize the connection or separation between the filter screens. The filtration utilizes the magnetism that is located on filtering frame and the filter screen to inhale formula structure, makes the user can convenient and fast more change bladeless fan's filter screen, prevents to use the damage or the inefficacy that improperly cause.

Description

Filtration and bladeless fan

Technical Field

The invention relates to the technical field of filter structures, in particular to a filter structure and a bladeless fan

Background

The current bladeless fan that has air purification function, its filter screen belong to the consumptive material, and the user need change many times during the use, and current buckle formula structure, misuse in the use can cause the installation not to enter and the condition that the pothook damaged.

Accordingly, there is a need for a filter structure and a bladeless fan to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a filtering structure and a bladeless fan, wherein the filtering structure is provided with a filtering frame and a filtering shell, the filtering frame and the filtering shell are arranged at intervals in the radial direction to form a filtering space between the filtering frame and the filtering shell, the filtering shell comprises at least two groups of filtering nets which are arranged by surrounding the periphery of the filtering frame, and a connecting component is arranged between every two filtering nets to realize the connection or separation of the two filtering nets, so that a user can more conveniently and quickly replace the filtering net of the bladeless fan, and the damage or failure caused by improper use is prevented.

To achieve the above objects and other advantages in accordance with the present invention, there is provided a filter structure including:

a filter frame having a hollow interior;

a filtering shell which is hollow and concentrically sleeved on the filtering frame,

wherein the filter frame and the filter housing are spaced apart in a radial direction to form a filter space between the filter frame and the filter housing; the filter shell comprises at least two sets of wrappings, the filter screen of filter frame's periphery setting, filter frame is last, two liang the interface department that closes of filter screen is equipped with two sets of at least coupling assembling, works as the filter screen passes through coupling assembling is installed removably when filtering frame is last, two liang the filter screen passes through coupling assembling realizes separably connecting.

Preferably, the joint interface of the filter screen is made of ferromagnetic material, and the connecting component is a magnet with a strip-shaped or block-shaped structure.

Preferably, the filtering frame comprises at least two groups of arch frames, and every two arch frames are combined in a wrapping mode to form a containing space at the concave surface of each arch frame.

Preferably, at least two groups of clamping components are arranged at the joint interface of every two arch-shaped frames.

Preferably, the clamping assembly includes:

the left side and the right side of each clamping strip are attached to the joint interface of every two arched frames;

the clamping platforms are arranged at the end parts of the clamping strips, and two ends of each clamping platform protrude out of the width of the clamping strips and are erected on every two arched frames; and the number of the first and second groups,

at least one hook, it is located the card strip towards the face of accommodation space, every hook is the U-shaped, and the cross-sectional area of its both sides tip is the trend of diminishing gradually along its outstanding direction.

Preferably, the number of said arch frames corresponds to the number of said filter screens, and each set of said filter screens is removably mounted over a respective set of said arch frames.

Preferably, a filter assembly is arranged between each group of filter screens and the corresponding group of arch-shaped frames.

Preferably, the arched frame has two straight sides parallel to the longitudinal axis of the arched frame and two curved ends perpendicular to the longitudinal axis of the arched frame;

an end flange is connected to each of the bent end portions, integrally joined to the bent end portion on an outer periphery thereof, and protruding outward in a radial direction of the arch frame;

a side flange is connected to each of the straight sides, integrally joined to the straight side on an outer periphery thereof, and protruding outward in a radial direction of the arch frame;

the side flanges are joined at their ends to the ends of the end flanges to form a ridge around the edge of the arched frame, the filter assembly being located in the space surrounded by the ridge.

Preferably, a guide structure for guiding the filter screen to be installed or removed along the radial direction of the filter frame is arranged between each group of filter screens and the filter frame.

Preferably, a screen skirt is connected to both ends of the screen, the screen skirt integrally joining the screen on an inner periphery of the screen and protruding radially inward of the screen, the screen skirt at least partially overlapping the end flanges when the screen is removably mounted to a respective set of the arch frames.

Preferably, the guide structure includes:

at least two guide ribs provided on the end flange; and

at least two guide portions provided on the strainer skirt portion and opposed to the guide rib portions,

the extending direction of the guide rib part is consistent with the mounting direction of the filter screen, and the guide part is matched with the guide rib part.

Preferably, a locking assembly for selectively locking the filter screen skirt and the end flange is provided between the filter screen skirt and the end flange.

Furthermore, the present disclosure also discloses a bladeless fan, which includes the filter structure described in any one of the above.

Compared with the prior art, the invention has the beneficial effects that: through setting up filter frame and filter housing, filter frame with filter housing interval in the radial direction sets up, is located in order to form filter frame lateral wall with filter space between the casing inside wall, filter housing includes at least two sets of wrappings the filter screen that filter frame's periphery set up, two liang be equipped with coupling assembling between the filter screen in order to realize two liang connection or separation between the filter screen, the filter screen of change bladeless fan that the user can convenient and fast more prevents to use improper damage or inefficacy that causes.

Drawings

FIG. 1 is a perspective view of a proposed filter structure according to one embodiment of the present invention

Fig. 2 is a perspective view of a separation device of a proposed filter structure according to an embodiment of the present invention;

FIG. 3 is a perspective view of a latch assembly according to one embodiment of the present invention

Fig. 4 is a top sectional view of a proposed filter net according to an embodiment of the present invention;

FIG. 5 is a perspective view of a proposed filter frame according to one embodiment of the present invention;

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.

Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

According to an embodiment of the present invention, as shown in fig. 1 and 2, it can be seen that the filter structure includes: a filter frame 20 having a hollow interior; a filter housing 40, which is hollow and concentrically sleeved on the filter frame 20, wherein the filter frame 20 and the filter housing 40 are arranged at intervals in the radial direction to form a filter space between the filter frame 20 and the filter housing 30; the filter housing 40 includes at least two sets of wrappings filter screen 410 that the periphery of filter frame 20 set up, on filter frame 20, two liang filter screen 410's the interface department that meets is equipped with at least two sets of coupling assembling 50, works as filter screen 410 passes through coupling assembling 50 is installed removably when on filter frame 20, two liang filter screen 410 passes through coupling assembling 50 realizes separably connecting.

The meeting interface of filter screen 410 is made by ferromagnetic material, coupling assembling 50 is rectangular form or bulk structure's magnet, the magnet is installed filter screen 410 meets the four corners department at interface and realizes two liang coupling assembling 50's disconnect-type connection, in order to realize filter screen 410 fixed mounting filter frame 20 is last. The filtering frame 20 includes at least two sets of arch frames 210, two pairs of arch frames 210 are combined in a wrapping manner to form a receiving space at the concave surface of the arch frames 210, and at least two sets of clamping assemblies 60 are arranged at the combined interface of two pairs of arch frames 210.

The clamping assembly 60 described with reference to figure 3 comprises: the left side and the right side of the clamping strip 610 are attached to the joint interface of every two arched frames; at least one clamping table 620, which is arranged at the end of the clamping strip, and two ends of each clamping table protrude out of the width of the clamping strip and are erected on every two arched frames; and at least one hook 630, which is located on the surface of the clip strip facing the accommodating space, each hook is U-shaped, the cross-sectional area of the two side ends of the hook gradually decreases along the protruding direction, and the hook 630 fixes the clip strip 610 on the arch-shaped frame 210.

The number of the arch frames 210 corresponds to the number of the filter screens 410, and each set of the filter screens 410 is removably mounted on the corresponding set of the arch frames 210, a filter assembly 30 is provided between each set of the filter screens 410 and the corresponding set of the arch frames 210, and a driving device for generating air flow is provided in the accommodating space, so that the air sucked into the accommodating space by the driving device is filtered by the filter assembly 30 before entering.

With reference to fig. 4 and 5, the arched frame 210 has two straight sides 211 and two curved ends 212, the straight sides 211 being parallel to the longitudinal axis of the arched frame 210, the curved ends 212 being perpendicular to the longitudinal axis of the arched frame 210; an end flange 2121 is connected to each of the bent ends 212, and the end flange 2121 integrally joins the bent end 212 at an outer periphery of the bent end 212 and projects outward in a radial direction of the arch frame 210; a side flange 2111 is connected to each of the straight sides 211, the side flange 2111 integrally joining the straight side 211 on the outer periphery of the straight side 211 and projecting outward in the radial direction of the arch frame 210; the side flanges 2111 are connected at their ends to the ends of the end flanges 2121 to form a ridge around the edge of the arched frame 210, the filter assembly 30 is disposed in the space surrounded by the ridge, and the air inlets are arranged in an array on the circumference of the arched frame 210, so as to ensure the air pressure balance between the inside and outside of the arched frame 210, and make the air flow in and out smoothly. The ridge-shaped protrusion formed by the connection and surrounding of the side flange 2111 and the end flange 2121 has the function of gathering air flow and preventing the air flow from diffusing to the periphery of the filter assembly 30, so that the suction force of the filter structure is improved, and strong air flow is discharged; the side flanges 2121 are tightly attached to the joint interface of two filter networks 410 to form a sealed space, which ensures that the air entering the receiving space formed by the arch-shaped frame 210 is clean and harmless.

Each group the filter screen 410 with all be equipped with between filter frame 20 and be used for guiding filter screen 410 follows filter frame 20's radial direction installation or removal's guide structure 220, filter screen 410's both ends all are connected with filter screen skirt portion 420, filter screen skirt portion 420 combines this filter screen 410 and along filter screen 410's radial inside is protruding on filter screen 410's the inner periphery integratively, when filter screen 410 can remove and install on corresponding a set of arched frame 210, filter screen skirt portion 420 with end flange 2121 at least partially overlaps.

Referring now to fig. 4, the guide structure 220 is shown in detail in fig. 4, the guide structure 220 comprising:

at least two guide ribs 221 provided on the end flange 2121; and

at least two guide portions 222 provided on the screen skirt 420 to be opposite to the guide ribs 221,

wherein, the extending direction of the guide rib 221 is consistent with the installation direction of the filter screen 410, and the guide part 222 is matched with the guide rib 221. In a preferred embodiment, the guide rib 221 is integrally formed with the end flange 2121, and the portion of the guide rib 221 at the edge of the end flange 2121 is chamfered to prevent the guide rib 221 and the guide portion 222 from wearing during use. Referring again to fig. 4, at least two guide blocks 224 are integrally formed on the screen skirt 420, and in a preferred embodiment, the two guide blocks 224 are symmetrically distributed about the locking hole 421, and the guide portions 222 are formed at respective edges of the guide blocks 224. . The width of the guiding portion 222 gradually increases from the joint of the filter skirt 420 and the filter screen 410 to the outside, forming a trumpet-shaped guiding portion from the inside to the outside. The cross section of the arched frame 210 is semicircular or fan-shaped, and the filter screen 410 is shaped to fit the arched frame 210, so that the shape of the guide block 2221 is matched with the shape of the filter screen skirt 420, the guide rib 211 is matched with the outer edge of the guide block 2221, and the guide rib 223 is matched with the inner edge of the guide block 2221, for the purpose of more smooth and smooth butt-joint installation of the filter screen 410 when being far away from or close to the arched frame 210.

A locking assembly 230 for selectively clamping the filter screen skirt 420 and the end flange 2121 is disposed between the filter screen skirt 420 and the end flange 2121, and a locking skirt 231 of the locking assembly 230 protrudes from a surface of the locking plate and extends out of the locking hole 421 to achieve a locking and fastening effect, so as to further reinforce the filter screen 410 on the arch-shaped frame 210. When the filter screen 410 approaches the filter frame 20, the locking assembly 230 is pressed by the filter screen skirt 420, and the root of the locking assembly 230 rotates downwards until the highest position of the locking skirt 231 extends into the locking hole 421 and is locked; when the filter screen 410 is moved away from the filter frame 20, the user simply presses the locking skirt 231, pushing the filter screen 410 into place.

The magnet of the connecting assembly 50 is not limited, and may be a permanent magnet or an electromagnet; the orientation or position of the magnets may be varied, for example by positioning the magnets in the plane of the inner side of the screen skirt 420 and the end flange 2121, or by positioning at least some of the magnets at the interface where the screens 410 meet; or a ferromagnetic structure is not arranged in the side flange 2111, and magnets with opposite magnetic poles are respectively arranged on the combined interfaces of every two filter screens 410, so that the two connecting components 50 are connected in a separated manner.

The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A filter structure, comprising:

a filtering body (20) which is hollow inside;

a filter housing (40) having an interior hollow and concentrically mounted over the filter frame (20),

wherein the filter body (20) is arranged spaced apart from the filter housing (40) in a radial direction to form a filter space between the filter frame (20) and the filter housing (30); filter casing (40) and include two sets of at least wrappings filter screen (410) that the periphery of filter frame (20) set up, coupling assembling (50) are in on filter frame (20), two liang the interface department that closes of filter screen (410) is equipped with two sets of at least coupling assembling (50), works as filter screen (410) are passed through coupling assembling (50) are removable to be installed when on filter frame (20), two liang filter screen (410) are passed through coupling assembling (50) realize separably connecting.

2. A filter structure as claimed in claim 1, wherein the filter mesh (410) is made of ferromagnetic material at the meeting interface, and the connecting member (50) is a magnet of an elongated or block-like configuration.

3. A filter structure as claimed in claim 1, characterised in that said filtering frames (20) comprise at least two sets of arched frames (210), two pairs of said arched frames (210) being fitted together in a wrapped manner to form a housing space at the concavity of said arched frames (210).

4. A filter structure as claimed in claim 3, wherein at least two sets of snap-in modules (60) are provided at the meeting interface of two of said arched frames (210).

5. The filter structure of claim 5, wherein the snap-in assembly (60) comprises:

the left side and the right side of each clamping strip (610) are attached to the joint interface of every two arch-shaped frames (210);

the clamping table (620) is arranged at the end part of the clamping strip (610), and two ends of the clamping table (620) protrude out of the clamping strip (610) and are erected on every two arched frames (210); and the number of the first and second groups,

at least one hook (630) located on the surface of the clamping strip (610) facing the accommodating space, wherein the hook (630) is U-shaped, and the cross-sectional area of the two side end parts of the hook gradually decreases along the protruding direction.

6. A filter structure as claimed in claim 3, wherein the number of said arched frames (210) corresponds to the number of said filter screens (410), and each set of said filter screens (410) is removably mounted onto a respective set of said arched frames (210).

7. A filter structure as claimed in claim 6, wherein a filter assembly (30) is provided between each group of filter screens (410) and a corresponding group of said arched frames (210).

8. A filtering structure according to claim 7, wherein said arched frame (210) has two straight sides (211) and two curved ends (212), the straight sides (211) being parallel to the longitudinal axis of the arched frame (210), the curved ends (212) being perpendicular to the longitudinal axis of the arched frame (210);

an end flange (2121) is connected to each of the bent ends (212), and the end flange (2121) integrally joins the bent end (212) at an outer periphery of the bent end (212) and projects outward in a radial direction of the arch frame (210);

a side flange (2111) is connected to each of the straight sides (211), the side flange (2111) integrally joining the straight side (211) on the outer periphery of the straight side (211) and bulging outward in the radial direction of the arch frame (210);

the side flanges (2111) are connected at their ends to the ends of the end flanges (2121) to form a ridge around the edge of the arch frame (210), the filter assembly (30) being located in the space surrounded by the ridge.

9. The filtering structure according to claim 8, wherein a guide structure (220) for guiding the installation or removal of the filtering mesh (410) in a radial direction of the filtering frame (20) is provided between each set of the filtering mesh (410) and the filtering frame (20), a filtering skirt (420) is connected to both ends of the filtering mesh (410), the filtering skirt (420) integrally joins the filtering mesh (410) on an inner circumference of the filtering mesh (410) and protrudes inward in a radial direction of the filtering mesh (410), and the filtering skirt (420) at least partially overlaps the end flange (2121) when the filtering mesh (410) is removably mounted to the corresponding set of the arch frames (210).

10. A filter structure as claimed in claim 9, wherein said guide structure (220) comprises:

at least two guide ribs (221) provided on the end flange (2121); and

at least two guide portions (222) provided on the screen skirt (420) and opposed to the guide rib portions (221),

the extending direction of the guide rib part (221) is consistent with the mounting direction of the filter screen (410), the guide part (222) is matched with the guide rib part (221), and a locking assembly (230) for selectively clamping the guide rib part (221) and the end flange (2121) is arranged between the filter screen skirt part (420) and the end flange.

11. A bladeless fan, characterized in that it comprises a filtering structure according to any one of claims 1-12.