CN215305482U - Dust cup assembly for dust collector - Google Patents

Abstract

The utility model provides a dust cup assembly for a dust collector, which comprises a dust cup shell, and an air rotation device and a filtering device which are arranged in the dust cup shell. The cyclone device is arranged inside the filtering device and comprises an upper cyclone plate, cyclone conical pipes and a cyclone connecting pipe which is connected and coated at the lower ends of the cyclone conical pipes, the conical top ends of the cyclone conical pipes are higher than the lower opening ends of the cyclone connecting pipes, and air inlets I are formed in the side walls of the conical bottom ends of the cyclone conical pipes. The upper air rotating plate is provided with cylinder pipes communicated with a plate body of the upper air rotating plate, the number and the positions of the cylinder pipes correspond to the number and the positions of a plurality of air rotating conical pipes connected and coated with the air rotating connecting pipe, the upper air rotating plate is arranged at the conical bottom end of the air rotating conical pipe, and the cylinder pipes arranged on the plate body penetrate into the conical bottom end of the air rotating conical pipe. The utility model has the beneficial effect that the cone top end of the wind rotary cone pipe is higher than the lower opening end of the wind rotary connecting pipe, so that the phenomenon that dust and debris flow back to the wind rotary device can be effectively solved.

Description

Dust cup assembly for dust collector

Technical Field

The utility model discloses a dust cup assembly for a dust collector, relates to the field of household cleaning daily necessities, and particularly relates to the internal structure and layout of the dust cup assembly for the dust collector.

Background

The dust cup assembly is a core component in the existing dust collector, and the cup body, the air rotation device and the filtering device form three major components of the dust cup assembly. The dust cup assembly not only has the function of storing various dust and debris, but also has the function of separating and filtering air and dust and debris through cyclone in the cup body.

Chinese patent publication No. CN 211722990U discloses a cyclone separating assembly, an intake air filtering device and a dust collector.

The specification of fig. 1 specifically refers to a cyclone separation assembly (cyclone device 2) which comprises a separator cover plate (upper cyclone plate 2a), a tube body part (cyclone connecting tube 2c) and a cone body part (cyclone cone tube 2b), and as can be seen from reading the specification and the drawings, the lower opening end 2c1 of the tube body part (cyclone connecting tube 2c) of the cyclone separation assembly (cyclone device 2) is flush with the thin cone top end 2b1 of the cone body part (cyclone cone tube 2 b). The cyclone separation assembly (cyclone device 2) arranged as above often has the following technical problems when used in cooperation with the filter device 3.

Referring specifically to fig. 2, since the lower opening end 2c1 of the tube body (the air cyclone 2c) of the cyclone separation assembly (the air cyclone 2) is flush with the tip end 2b1 of the cone body (the air cyclone 2b), the tip end 2b1 of the cone body (the air cyclone 2b) does not extend into the bottom cone bin 3a4 of the cone leakage bin 3a of the filter device, and the cone leakage bin 3a has a large space. The dust and debris stored in the bottom cone bin 3a4 will rise along the inner side wall of the cone leakage bin 3a and swirl into the cyclone cone tube 2b under the driving of the air swirling Bernoulli principle in the cyclone device 2, resulting in the phenomenon that the dust and debris flows back into the cyclone device 2.

Disclosure of Invention

In view of the above problems, the present invention is directed to a dust cup assembly for a vacuum cleaner, which is used to solve the problem of the conventional dust and debris flowing back into the air-swirling device. The dust cup assembly comprises a dust cup shell, and an air rotation device and a filtering device which are arranged in the dust cup shell.

Specifically, the cyclone device is arranged inside the filtering device and comprises an upper cyclone plate, a cyclone conical pipe and a cyclone connecting pipe which is connected and coated at the lower end of the cyclone conical pipes, the conical top end of the cyclone conical pipe is higher than the lower opening end of the cyclone connecting pipe, and an air inlet I is formed in the side wall of the conical bottom end of the cyclone conical pipe.

The upper air rotating plate is provided with cylinder pipes communicated with a plate body of the upper air rotating plate, the number and the positions of the cylinder pipes correspond to those of a plurality of air rotating conical pipes connected and coated with an air rotating connecting pipe, the upper air rotating plate is arranged at the conical bottom end of the air rotating conical pipe, and the cylinder pipes arranged on the plate body penetrate into the conical bottom end of the air rotating conical pipe.

Preferably, the cylindrical pipe arranged on the plate body of the upper wind rotary plate is a conical cylindrical pipe.

Specifically, the filter device comprises a conical leakage bin and a filter arranged at the top of the conical leakage bin, and the air rotation device is arranged in the conical leakage bin.

Further specifically, the awl leaks the storehouse and from top to bottom has set gradually ring top storehouse, air guide storehouse, filters storehouse and end awl storehouse, it is provided with the filtration pore on the annular bulkhead of storehouse to filter, the filter sets up in the ring top storehouse.

Further specifically, the cyclone device is arranged in the air guide bin, the filter bin and the bottom cone bin, the lower opening end of the cyclone connecting pipe is hermetically connected with the top of the bottom cone bin, and the cone top end of the cyclone cone pipe extends into the bottom cone bin.

Preferably, the annular bin wall of the filtering bin is hollowed out, and a metal filter screen is coated on the surface of the annular bin wall.

Specifically, the dust cup shell comprises a barrel body and a lower bottom cover which is arranged at the bottom of the barrel body and can be opened in a rotating mode, an air inlet II is formed in the side wall of the barrel body, and the barrel body and the lower bottom cover are clamped and fixed through a clamping tenon arranged at the bottom of the barrel body and an elastic clamping strip arranged on the lower bottom cover after the barrel body and the lower bottom cover are closed.

Specifically, an air guide groove is formed in the outer wall of the air guide cabin, and the starting end of the air guide groove corresponds to an air inlet II formed in a barrel body of the dust cup shell.

Further specifically, a sealing groove is formed in the inner wall of the lower bottom cover of the dust cup shell, and the bottom cone opening end of the bottom cone bin is inserted into the sealing groove to achieve sealing connection of the dust cup shell and the cone leakage bin.

Further specifically, barrel upper end open end is provided with the recess, its ring top storehouse lateral wall in awl hourglass storehouse is provided with the tenon, the awl leaks the storehouse and passes through the tenon card with the dirt cup casing and go into the recess in order to realize its two connection location.

Drawings

FIG. 1 is a three-dimensional schematic view of a dust cup assembly for a vacuum cleaner and a cyclone device in the background art thereof

FIG. 2 is a two-dimensional schematic view of a dust cup assembly for a vacuum cleaner and a cyclone device of the background art thereof

FIG. 3 is a two-dimensional schematic view of an integral longitudinal section of a dust cup assembly for a vacuum cleaner according to the present invention

FIG. 4 is an exploded three-dimensional view of a vacuum cleaner dust cup assembly according to the present invention

FIG. 5 is a three-dimensional view of a cyclone device of a vacuum cleaner dust cup assembly according to the present invention

FIG. 6 is a three-dimensional schematic view (II) of a cyclone device of a dust cup assembly for a vacuum cleaner according to the present invention

FIG. 7 is a three-dimensional schematic view (I) of a filter device of a dust cup assembly for a vacuum cleaner according to the present invention

FIG. 8 is a three-dimensional schematic view (II) of a filter device of a dust cup assembly for a vacuum cleaner according to the present invention

FIG. 9 is a three-dimensional schematic view of a dust cup housing of a dust cup assembly for a vacuum cleaner according to the present invention

Detailed Description

The following describes a specific structure of a dust cup assembly for a vacuum cleaner with reference to the accompanying drawings, but the utility model is not limited thereto.

Referring to fig. 3-4, the utility model relates to a dust cup assembly for a vacuum cleaner, which comprises a dust cup housing 1, and a cyclone device 2 and a filter device 3 arranged in the dust cup housing 1, wherein the cyclone device 2 is arranged in the filter device 3.

Specifically, as shown in fig. 3 and 5, the wind-driven device 2 includes an upper wind-driven plate 2a, a wind-driven conical pipe 2b and a wind-driven connecting pipe 2c connected and coated at the lower end of the wind-driven conical pipe 2b, the conical top 2b1 of the wind-driven conical pipe 2b is higher than the lower opening end 2c1 of the wind-driven conical pipe 2c, and an air inlet i 2b3 is arranged on the side wall of the conical bottom 2b 2.

The upper air rotating plate 2a is provided with column pipes 2a2 communicated with the plate body 2a1, and the number and the positions of the column pipes 2a2 correspond to the number and the positions of a plurality of air rotating conical pipes 2b connected and coated by the air rotating connecting pipe 2 c.

The upper cyclone plate 2a is arranged at the thick conical bottom end 2b2 of the cyclone conical tube 2b, and the column tube 2a2 arranged on the plate body 2a1 of the upper cyclone plate penetrates into the thick conical bottom end 2b2 of the cyclone conical tube 2 b.

Preferably, as shown in fig. 6, the cylindrical tube 2a2 provided on the plate body 2a1 of the upper wind-driving plate 2a is a conical cylindrical tube.

As shown in fig. 3 and fig. 7 in detail, the filtering device 3 includes a conical leakage bin 3a and a filter 3b disposed at the top of the conical leakage bin 3a, and the cyclone device 2 is disposed in the conical leakage bin 3 a.

Further as shown in fig. 3 and 7, the cone leakage bin 3a is sequentially provided with a ring top bin 3a1, an air guide bin 3a2, a filter bin 3a3 and a bottom cone bin 3a4 from top to bottom, the wall of the ring-shaped bin of the filter bin 3a3 is provided with filter holes, and the filter 3b is arranged in the ring top bin 3a 1.

As further shown in fig. 7, the wind-guiding device 2 is disposed in the wind-guiding bin 3a2, the filtering bin 3a3 and the bottom cone bin 3a4, the lower opening end 2c1 of the wind-guiding connecting pipe 2c is hermetically connected with the top of the bottom cone bin 3a4, and the cone top end 2b1 of the wind-guiding cone pipe 2b extends into the bottom cone bin 3a 4.

In order to enhance the filtering effect of the filtering bin 3a3 on dust and fine debris and avoid abrasion to the filtering bin 3a3 caused by long-term use, as shown in fig. 3 and 7, the annular bin wall of the filtering bin 3a3 is preferably hollow, and the surface of the annular bin wall is coated with a metal filter screen.

Specifically, as shown in fig. 3 and fig. 8 and fig. 9, the dust cup housing 1 includes a cylinder 1a and a lower bottom cover 1b rotatably opened and disposed at the bottom of the cylinder 1a, an air inlet ii 1a1 is disposed on a side wall of the cylinder 1a, and the cylinder 1a and the lower bottom cover 1b are fastened by a tenon 1a2 disposed at the bottom of the cylinder 1a and an elastic fastening strip 1b1 disposed on the lower bottom cover 1b after being closed.

As shown in fig. 9, an air guiding groove 3a21 is provided on an outer wall of the air guiding bin 3a2, and a starting end of the air guiding groove 3a21 corresponds to an air inlet ii 1a1 provided on a cylinder 1a of the dust cup housing 1.

As further shown in fig. 3, 8 and 9, a sealing groove 1b2 is provided on an inner wall of a lower bottom cover 1b of the dust cup housing 1, and a bottom cone opening end 3a41 of the bottom cone bin 3a4 is inserted into the sealing groove 1b2 to achieve the sealing connection between the dust cup housing 1 and the cone leakage bin 3 a.

In order to enhance the accuracy of the position correspondence between the air inlet II 1a1 arranged on the side wall of the cylinder 1a of the dust cup shell 1 and the air guide groove 3a21 arranged on the outer wall of the air guide bin 3a 2.

As further shown in fig. 9, the upper opening end of the cylinder 1a is provided with a groove 1a3, the side wall of the cone leakage bin 3a surrounding the top bin 3a1 is provided with a tenon 3a11, and the cone leakage bin 3a and the dust cup shell 1 are clamped into the groove 1a3 through the tenon 3a11 to realize the connection and positioning of the two.

The working principle and the flow of the dust cup assembly for the dust collector are further explained with reference to the attached drawings.

Firstly, the negative pressure suction device of the dust collector conducts the negative pressure generated by the negative pressure suction device in the dust cup component 1

As shown in fig. 8, the upper opening end of the cylinder 1a of the dust cup assembly 1 is hermetically connected with a negative pressure suction device (not shown) of the dust collector,

1) referring to fig. 3, the negative pressure state generated by the negative pressure suction means is first conducted into the cyclone 2 through the filter 3 b.

2) Referring to fig. 3 and 5, the negative pressure entering the cyclone device 2 is conducted into the conical hopper 3a of the filter device 3 through the air inlet i 2b3 formed in the side wall of the cyclone conical tube 2 b.

3) Referring to fig. 3, the negative pressure condition entering the conical hopper 3a is conducted into the cylinder 1a of the dirt cup assembly 1 through the metal screen on the annular wall of the hopper 3a 3.

4) Referring to fig. 3 and 9, the negative pressure state in the cylinder 1a of the dust cup assembly 1 is further conducted to the air inlet ii 1a1 of the cylinder 1a along the air guide groove 3a21 of the air guide bin 3a 2.

And (3) generating a negative pressure suction state at the air inlet II 1a1 of the dust cup assembly cylinder 1a of the dust collector by the negative pressure suction device of the dust collector after the steps 1) to 4).

Second, the cyclonic filtration process of the dust fines in the dirt cup assembly 1.

As shown in FIG. 8, the dust cup assembly 1 has an air inlet II 1a1 disposed on the cylinder 1a and hermetically connected with a dust suction head (not shown) of the dust collector.

1) Referring to fig. 8 and 9, after the negative pressure air suction device is turned on, dust and fine dust enter the dust cup housing 1 from the dust collection head through the air inlet ii 1a1 of the cylinder 1a and along the air guide groove 3a21 of the air guide bin 3a 2.

2) Referring to fig. 3, dust fines entering the dust cup housing 1 are filtered by the filter bin 3a3 of the cone strainer 3a, larger dust fines remain in the barrel 1a, and smaller dust fines enter the cone strainer 3a of the filter device 3.

3) Referring to fig. 3, fine dust and fine dust enter the cyclone device 2 through the air inlet i 2b3 of the cyclone conical tube 2b, the dust and fine dust form a cyclone flow with air in the cyclone conical tube 2b of the cyclone device 2, and the dust and fine dust fall into the bottom cone bin 3a4 of the cone leakage bin 3a through the cyclone conical tube 2b under the action of gravity.

4) Referring to fig. 3, the finer dust that continues to rise up the cyclone cone 2b slides down the cyclone plate 2a column 2a2 into the bottom cone bin 3a4 of the cone funnel 3a under the obstruction of the filter 3 b.

5) Referring to fig. 3 and 8, when the dust and fine dust in the barrel 1a of the dust cup housing 1 and in the bottom cone bin 3a4 of the cone leakage bin 3a are stored too much, the elastic clamping strip 1b1 on the lower bottom cover 1b of the dust cup housing 1 is pulled open to rotate the bottom cover 1b, and then the dust and fine dust in the barrel 1a and in the bottom cone bin 3a4 are poured out.

Compared with the cyclone separation component, the air inlet filtering device and the dust collector utility model which are described in the CN 211722990U document in the background art, the dust cup component for the dust collector has the advantages that as shown in figure 3, the fine dust stored in the bottom cone bin 3a4 can rise along the inner side wall of the cone leakage bin 3a under the driving of the air rotation Bernoulli principle in the cyclone device 2, and because the cone top end 2b1 of the wind rotation cone pipe 2b is higher than the lower opening end 2c1 of the wind rotation connecting pipe 2c, the cyclone with the dust which rises along the inner side wall of the cone leakage bin 3a can only flow up and down the cone leakage bin 3a and can not flow back to the air inlet device 2 through the cone top end 2b1 of the wind rotation cone pipe 2 b.

While the embodiments of the present invention have been described in detail, those skilled in the art will appreciate that the various embodiments of the utility model may be practiced without these specific details. In summary, the content of the present specification should not be construed as limiting the present invention, and any modification made according to the design concept of the present invention is within the scope of the present invention.

Claims (11)

1. A dust cup assembly for a dust collector comprises a dust cup shell (1), and an air rotation device (2) and a filtering device (3) which are arranged in the dust cup shell (1), and is characterized in that the air rotation device (2) is arranged in the filtering device (3) and comprises an upper air rotation plate (2a), air rotation conical pipes (2b) and air rotation connecting pipes (2c) which are connected and coated at the lower ends of the air rotation conical pipes (2 b);

the top end (2b1) of the cone of the cyclone conical pipe (2b) is higher than the lower opening end (2c1) of the cyclone connecting pipe (2c), and the side wall of the bottom end (2b2) of the cone is provided with an air inlet I (2b 3);

the upper wind rotary plate (2a) is provided with column pipes (2a2) communicated with the plate body (2a1), and the number and the positions of the column pipes (2a2) correspond to the number and the positions of a plurality of wind rotary conical pipes (2b) connected and coated with the wind rotary connecting pipe (2 c);

the upper wind-driven plate (2a) is arranged at the conical bottom end (2b2) of the wind-driven conical pipe (2b), and a column pipe (2a2) arranged on a plate body (2a1) of the upper wind-driven plate penetrates into the conical bottom end (2b2) of the wind-driven conical pipe (2 b).

2. A cup assembly for a vacuum cleaner according to claim 1, wherein the cylindrical tube (2a2) of the upper cyclone plate (2a) is a conical tube, and the cylindrical tube is provided on the plate body (2a 1).

3. A dirt cup assembly for a vacuum cleaner according to claim 1, characterized in that the filter device (3) comprises a conical hopper (3a) and a filter (3b) arranged at the top of the conical hopper (3 a);

the cyclone device (2) is arranged in the conical leakage bin (3 a).

4. The dust cup assembly of claim 3, wherein the cone leakage bin (3a) is provided with a ring top bin (3a1), an air guide bin (3a2), a filter bin (3a3) and a bottom cone bin (3a4) from top to bottom;

the wall of the annular bin of the filter bin (3a3) is provided with filter holes, and the filter (3b) is arranged in the annular top bin (3a 1).

5. A dirt cup assembly for a vacuum cleaner according to claim 1, characterized in that the air swirl device (2) is arranged in an air guide bin (3a2), a filter bin (3a3) and a base cone bin (3a 4);

the lower opening end (2c1) of the wind rotary connecting pipe (2c) is hermetically connected with the top of the bottom cone bin (3a 4);

the cone top end (2b1) of the cyclone cone pipe (2b) extends into the bottom cone bin (3a 4).

6. The assembly of claim 4 or 5, wherein the annular wall of the filter chamber (3a3) is hollow, and the surface of the annular wall is covered with a metal filter screen.

7. A cup assembly for a vacuum cleaner according to claim 1, wherein the cup housing (1) comprises a cylinder (1a) and a lower bottom cover (1b) rotatably opened provided at the bottom of the cylinder (1 a);

an air inlet II (1a1) is formed in the side wall of the cylinder body (1 a);

after the cylinder body (1a) and the lower bottom cover (1b) are closed, the cylinder body (1a) and the lower bottom cover (1b) are clamped and fixed through a clamping tenon (1a2) arranged at the bottom of the cylinder body (1a) and an elastic clamping strip (1b1) arranged on the lower bottom cover (1 b).

8. The dust cup assembly of claim 4 or 5, wherein the outer wall of the wind guiding bin (3a2) is provided with a wind guiding groove (3a21), and the starting end of the wind guiding groove (3a21) corresponds to the wind inlet II (1a1) arranged on the cylinder (1a) of the dust cup housing (1).

9. The dirt cup assembly of claim 7, wherein the inner wall of the lower bottom cover (1b) of the dirt cup housing (1) is provided with a sealing groove (1b 2);

the bottom cone opening end (3a41) of the bottom cone bin (3a4) is inserted into the sealing groove (1b2) to realize the sealing connection of the dust cup shell (1) and the cone leakage bin (3 a).

10. A dust cup assembly for a vacuum cleaner according to claim 7, wherein the upper open end of the cylinder (1a) is provided with a groove (1a3), and the side wall of the conical hopper (3a) surrounding the top hopper (3a1) is provided with a tenon (3a 11);

the cone leakage bin (3a) and the dust cup shell (1) are clamped into the groove (1a3) through a tenon (3a11) to realize the connection and positioning of the two.

11. The dust cup assembly of claim 8, wherein the upper opening end of the cylinder (1a) is provided with a groove (1a3), and the conical hopper (3a) is provided with a tenon (3a11) on the side wall of the annular top hopper (3a 1);

the cone leakage bin (3a) and the dust cup shell (1) are clamped into the groove (1a3) through a tenon (3a11) to realize the connection and positioning of the two.

Images