CN217447573U

CN217447573U - Dust cup with multistage cyclone separation structure

Info

Publication number: CN217447573U
Application number: CN202220827060.0U
Authority: CN
Inventors: 裴泽山
Original assignee: Suzhou Chunju Electric Co Ltd
Current assignee: Suzhou Chunju Electric Co Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-09-20
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a dirt cup with multistage whirlwind separation structure, it includes the dirt cup, a whirlwind section of thick bamboo, a dust collection section of thick bamboo, one-level filter screen and second grade filter screen, be provided with dirty air inlet and clean air outlet on the dirt cup, be provided with first whirlwind separation channel in the whirlwind section of thick bamboo, the access connection dirty air inlet of first whirlwind separation channel, the other end intercommunication clean air outlet of first whirlwind separation channel, the top of a whirlwind section of thick bamboo is provided with second whirlwind separation channel, a dust collection section of thick bamboo runs through a whirlwind section of thick bamboo, second whirlwind separation channel intercommunication dust collection section of thick bamboo, the one-level filter screen sets up the top at a whirlwind section of thick bamboo, the built-in top at the one-level filter screen of second grade filter screen, leave the clearance between second grade filter screen and the one-level filter screen, the clearance is linked together with second whirlwind separation channel, dirt cup bottom portion articulates there is the dirt bowl cover. The utility model discloses can solve great slice or cotton fibre and can have when passing through the one-level filter screen and be adsorbed the one-level filter screen on the surface, easily lead to the obstructed problem of amount of wind.

Description

Dust cup with multi-stage cyclone separation structure

Technical Field

The utility model belongs to the technical field of clean electrical apparatus, especially, relate to a dirt cup with multistage whirlwind separation structure.

Background

The dust collector is a common dust collecting tool for families, and the working principle of the dust collector is that a motor is used for driving blades to rotate at a high speed, air negative pressure is generated in a sealed shell, and dust is sucked. In order to meet the requirements of different cleaning operations, the floor brushes of the dust collector have various types, and a user can select the floor brushes according to the requirements to clean and remove dust of various articles.

Dirt cup on the existing market, one-level filter screen are in cyclone system's dead ahead, and the whirlwind orbit is through one-level filter screen cross-section, and the dust separation point is in the position near one-level filter screen mesh, and the characteristics of this kind of separation are with the help of the quick flow of suction and whirlwind separation in junction near the mesh of one-level filter screen, the characteristics of this kind of separation: suction and the whirlwind velocity of flow of separation point all approach the maximum value, with the help of the centrifugal force effect of dust to air and dust separation, the unable filtering of the tiny dust of part can get into second grade filtration system through the one-level filter screen, can exist when great slice or cotton fibre pass through the one-level filter screen and be adsorbed on the surface of one-level filter screen, easily lead to the amount of wind to be obstructed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides a dust cup with multistage cyclone separation structure in order to solve can have when great slice or cotton fibre pass through the one-level filter screen by the adsorption to the surface of one-level filter screen on, easily lead to the obstructed problem of amount of wind.

In order to achieve the above object, the utility model provides a dirt cup with multistage cyclone separation structure, it includes dirt cup and sets up cyclone, dust collection cylinder, one-level filter screen and second grade filter screen in the dirt cup, be provided with dirty air inlet and clean air outlet on the dirt cup, be provided with first whirlwind separation channel in the cyclone, the access connection of first whirlwind separation channel dirty air inlet, the other end of first whirlwind separation channel communicates clean air outlet, the top of cyclone is provided with second whirlwind separation channel, dust collection cylinder runs through the cyclone, second whirlwind separation channel communicates the dust collection cylinder, the one-level filter screen sets up in the top of cyclone, the second grade filter screen is built-in the top of one-level filter screen, the second grade filter screen with leave the clearance between the one-level filter screen, the gap is communicated with the second cyclone separation channel, the bottom of the dust cup is hinged with a dust cup cover, and the bottom of the dust collecting cylinder is in contact with the dust cup cover.

As a further description of the above technical solution:

the two-stage filter screen is provided with a sealing cover, the sealing cover is provided with at least two clamping plates, a clamping groove matched with the clamping plates is formed in the dust cup, and a notch is formed in the clamping groove.

As a further description of the above technical solution:

the primary filter screen is provided with a baffle corresponding to the notch, and the baffle is an L-shaped baffle.

As a further description of the above technical solution:

the dust cup is characterized in that a lap plate is arranged inside the dust cup, and the upper part of the primary filter screen is lapped on the lap plate.

As a further description of the above technical solution:

the lapping plate is provided with a limiting port, and a limiting plate matched with the limiting port is arranged on the primary filter screen.

As a further description of the above technical solution:

the lateral wall of one-level filter screen is provided with the seal groove, be provided with the sealing washer in the seal groove.

As a further description of the above technical solution:

the cyclone is provided with three screw posts, the position of the primary filter screen corresponding to the screw posts is provided with screw holes, and screws penetrate through the screw holes.

As a further description of the above technical solution:

the second grade filter screen is the HEPA filter screen.

As a further description of the above technical solution:

the cyclone cylinder and the dust collecting cylinder are of an integrated structure.

On, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the dust cup is sucked into the dust cup through the negative pressure of the dust cup generated by the suction force of the motor, the dust enters the independent first cyclone separation channel to generate cyclone, the cyclone direction is the direction of the dust cup cover, the primary filter screen is arranged behind the cyclone inlet, when the dust outlet cyclone outlet rotates downwards towards the dust cup cover, the negative pressure suction force from the motor is arranged at the position of the cross section of the dust outlet along the cyclone axis, the size of the cross section of the suction force is the same as the diameter of the dust cup, the suction force at the position of the cross section is far weaker than the downward rotating force of the dust outlet cyclone outlet, the separation of air and dust is realized by the centrifugal force of the dust in the downward rotating process, the closer the dust is to the dust cup cover, the smaller the influence of the suction force of the motor is, and the larger sheet or cotton wool is not easy to be adsorbed onto the surface of the primary filter screen after entering the dust cup.

2. The whirlwind section of thick bamboo sets up in one-level filter screen and second grade filter screen below, the top at one-level filter screen axle center direction is established to the second grade filter screen, the one-level filter screen is as an organic whole with the equipment of whirlwind section of thick bamboo, the second grade filter screen passes through the buckle to be fixed on the one-level filter screen, can take out the one-level filter screen together with the second grade filter screen like this, can take out the second grade filter screen again alone through rotatory sealed lid, the space volume of both having guaranteed one-level filter screen and second grade filter screen has reduced the filter area of second grade filter screen and dust in the at utmost again, it is convenient also to have accomplished to unpick and wash simultaneously.

3. The top of a dust collection cylinder is communicated with a second cyclone separation channel, the second cyclone separation channel is communicated with the gap, so that air passing through the one-level filter screen can be filtered again, dust enters the dust collection cylinder through the second cyclone separation channel, and when the dust cup cover is opened, the dust of the dust collection cylinder can be poured out from the bottom, and the dust separation efficiency is improved.

Drawings

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

FIG. 1 is a schematic view of a dirt cup having a multi-stage cyclonic separation arrangement.

FIG. 2 is a sectional view of a dirt cup having a multi-stage cyclonic separation structure.

FIG. 3 is a schematic view of a dirt cup removing structure having a multi-stage cyclone structure.

FIG. 4 is a schematic view of a dust cup with a multi-stage cyclone structure, wherein the first filter screen and the second filter screen are removed.

Fig. 5 is an exploded view of a holder in a dirt cup having a multi-cyclone structure.

Illustration of the drawings:

1. a dust cup; 2. a cyclone; 21. a first cyclonic separation channel; 3. a dust collecting cylinder; 4. a first-stage filter screen; 5. a secondary filter screen; 6. a dirty air inlet; 7. a clean air outlet; 8. a second cyclonic separating passage; 9. a dust cup cover; 10. a sealing cover; 11. clamping a plate; 12. a card slot; 13. a notch; 14. a baffle plate; 15. a lap plate; 16. a limiting port; 17. a limiting plate; 18. a seal ring; 19. and (4) a screw post.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 as a specific case by those skilled in the art.

Referring to fig. 1-5, the present invention provides a dust cup with a multi-stage cyclone separation structure, including a dust cup 1, and a cyclone cylinder 2, a dust collection cylinder 3, a first stage filter 4 and a second stage filter 5 which are arranged in the dust cup 1, wherein the dust cup 1 is provided with a dirty air inlet 6 and a clean air outlet 7, the cyclone cylinder 2 is provided with a first cyclone separation channel 21, an inlet of the first cyclone separation channel is connected to the dirty air inlet 6, the cross-sectional area of the first cyclone separation channel from an air inlet to an air outlet is gradually reduced, dust can gradually generate an acceleration in the cyclone air channel, the dust can be separated at the maximum speed and the maximum centrifugal force when the dust is spun out of the first separation outlet, the other end of the first cyclone separation channel is communicated with the clean air outlet 7, the top of the cyclone cylinder 2 is provided with a second cyclone separation channel 8, the dust collecting cylinder 3 penetrates through the cyclone cylinder 2, the second cyclone separation channel 8 is communicated with the dust collecting cylinder 3, the primary filter screen 4 is arranged above the cyclone cylinder 2, the secondary filter screen 5 is arranged above the primary filter screen 4 in a built-in manner, a gap is reserved between the secondary filter screen 5 and the primary filter screen 4, the gap is communicated with the second cyclone separation channel 8, the bottom of the dust cup 1 is hinged with a dust cup cover 9, and the bottom of the dust collecting cylinder 3 is in contact with the dust cup cover 9.

The secondary filter screen 5 is provided with a sealing cover 10, the sealing cover 10 is provided with at least two clamping plates 11, the dust cup 1 is provided with a clamping groove 12 matched with the clamping plates 11, and the clamping groove 12 is provided with a notch 13. The specific cardboard is four, during the installation, aligns the breach with the cardboard and dashes to get into the draw-in groove down, rotates sealed lid, makes the cardboard get into in the draw-in groove, the installation of being convenient for like this dismantles the second grade filter screen.

A baffle 14 is arranged on the first-stage filter screen 4 corresponding to the notch 13, and the baffle 14 is an L-shaped baffle. Therefore, the clamping plate can be prevented from being separated from the clamping groove, and the stability of fixing the sealing cover is improved.

The inside of dirt cup 1 is provided with round lapping plate 15, the upper portion overlap joint of one-level filter screen 4 is in on lapping plate 15. Can improve the leakproofness, avoid the air to flow out from between dirt cup and the one-level filter screen.

The lapping plate 15 is provided with a limiting port 16, and the primary filter screen 4 is provided with a limiting plate 17 matched with the limiting port 16. The first-level filter screen can be conveniently assembled.

The lateral wall of one-level filter screen 4 is provided with the seal groove, be provided with sealing washer 18 in the seal groove. The sealing effect can be further improved.

The cyclone barrel 2 is provided with three screw posts 19, the position of the primary filter screen 4 corresponding to the screw posts 19 is provided with screw holes, and screws penetrate through the screw holes. The primary filter screen is convenient to mount and dismount.

And the secondary filter screen 5 is an HEPA filter screen. The dust separation efficiency can be improved.

The cyclone cylinder 2 and the dust collecting cylinder 3 are of an integral structure. The assembly is convenient. The cyclone 2 and the dirt cup may also be two separate parts, which facilitates cleaning.

The working principle is as follows: air with dust enters the cyclone cylinder and enters the dust cup through the first cyclone separation channel, the dust enters the independent first cyclone separation channel to generate cyclone, the cyclone direction is the dust cup cover direction, the primary filter screen is arranged behind the cyclone inlet, when the dust cyclone outlet rotates downwards towards the dust cup cover direction, a negative pressure suction force from a motor is arranged at the cross section position of the dust outlet along the cyclone axis, the size of the suction cross section is the same as the diameter of the dust cup, the suction force at the cross section position is far weaker than the downward rotation force of the dust cyclone outlet, the separation of the air and the dust is realized by the centrifugal force of the dust in the downward rotation process of the dust, when the dust is closer to the dust cup cover, the influence of the suction force of the motor is smaller, when larger pieces or cotton wool enter the dust cup, the air with fine particles is not easy to be adsorbed on the surface of the primary filter screen, under the filtration of the secondary filter screen, the fine particles flow into the dust collecting cylinder through the second cyclone separation channel, the top of the cyclone cylinder is a spiral surface, the spiral surface forms the second cyclone separation channel, and the clean air passes through the secondary filter screen and is discharged from the clean air outlet.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. A dust cup with a multi-stage cyclone separation structure is characterized by comprising a dust cup (1), a cyclone cylinder (2), a dust collection cylinder (3), a first-stage filter screen (4) and a second-stage filter screen (5) which are arranged in the dust cup (1), wherein a dirty air inlet (6) and a clean air outlet (7) are arranged on the dust cup (1), a first cyclone separation channel (21) is arranged in the cyclone cylinder (2), an inlet of the first cyclone separation channel (21) is connected with the dirty air inlet (6), the other end of the first cyclone separation channel (21) is communicated with the clean air outlet (7), a second cyclone separation channel (8) is arranged at the top of the cyclone cylinder (2), the dust collection cylinder (3) penetrates through the cyclone cylinder (2), and the second cyclone separation channel (8) is communicated with the dust collection cylinder (3), the cyclone dust collector is characterized in that the first-stage filter screen (4) is arranged above the cyclone cylinder (2), the second-stage filter screen (5) is arranged in the upper portion of the first-stage filter screen (4), a gap is reserved between the second-stage filter screen (5) and the first-stage filter screen (4), the gap is communicated with the second cyclone separation channel (8), a dust cup cover (9) is hinged to the bottom of the dust cup (1), and the bottom of the dust collection cylinder (3) is in contact with the dust cup cover (9).

2. The dust cup with the multi-stage cyclone separation structure is characterized in that a sealing cover (10) is arranged on the secondary filter screen (5), at least two clamping plates (11) are arranged on the sealing cover (10), a clamping groove (12) matched with the clamping plates (11) is arranged on the dust cup (1), and a notch (13) is arranged on the clamping groove (12).

3. The dust cup with the multi-stage cyclone separation structure as claimed in claim 2, wherein a baffle (14) is arranged on the primary filter screen (4) corresponding to the notch (13), and the baffle (14) is an L-shaped baffle.

4. The dust cup with the multi-stage cyclone separation structure as claimed in claim 1, wherein a ring of lapping plate (15) is provided inside the dust cup (1), and the upper portion of the primary filter screen (4) is lapped on the lapping plate (15).

5. The dust cup with the multi-stage cyclone separation structure according to claim 4, wherein the lapping plate (15) is provided with a limiting opening (16), and the primary filter screen (4) is provided with a limiting plate (17) matching with the limiting opening (16).

6. The dust cup with the multi-stage cyclone separation structure according to claim 1, wherein the sidewall of the primary filter screen (4) is provided with a sealing groove, and a sealing ring (18) is arranged in the sealing groove.

7. The dust cup with the multi-stage cyclone separation structure according to claim 1, wherein three screw posts (19) are arranged on the cyclone cylinder (2), a screw hole is arranged on the first stage filter screen (4) corresponding to the screw posts (19), and a screw penetrates through the screw hole.

8. A dirt cup with multi-stage cyclonic separation structure as claimed in claim 1, wherein the secondary filter (5) is a HEPA filter.

9. A dirt cup with multi-stage cyclonic separation structure as claimed in claim 1, wherein the cyclone (2) and dirt cup (3) are of unitary construction.