CN219229749U - Dust cup structure convenient to clean - Google Patents

Abstract

The application discloses a dust cup structure convenient to clean relates to the technical field of dust cups of dust collectors, and comprises a cup body, a cup bottom and a filter assembly, wherein the cup body is provided with an accommodating cavity which is communicated up and down, the cup bottom is closed and the lower end of the accommodating cavity is opened, the filter assembly is arranged in the cup body, the filter assembly comprises a filter screen cover, a cyclone barrel and a dust collecting barrel, the filter screen cover is arranged in the cup body, the filter screen cover comprises a guide pipe and a filter ring encircling an outer ring of the guide pipe, and the filter ring is provided with a plurality of filter holes; the cyclone cylinder comprises a cone cylinder part, and the cone cylinder part is positioned at the lower end of the flow guide pipe; the dust collection barrel is sleeved and abutted against the peripheral wall of the cone barrel part, the area of the cone barrel part protruding out of the inner wall of the dust collection barrel forms a dust blocking flanging, and the lower end of the dust collection barrel is abutted against the bottom of the cup; the dust collection cylinder is detachably connected with the cone cylinder part. The dust collection barrel and the cone barrel part are detachably connected, when the dust blocking flanging area needs to be cleaned, the dust collection barrel and the cone barrel part are detached and then cleaned, so that the cleaning operation is more convenient and thorough.

Description

Dust cup structure convenient to clean

Technical Field

The present application relates to the field of vacuum cleaner dirt cup technology, and more particularly, to a dirt cup structure that facilitates cleaning.

Background

The dust cup is a dust collecting component in the dust collector, when dust-containing air flow enters the dust cup in the direction of the inner wall of the dust cup body, vortex air flow is formed in the dust cup, dust particles in the air flow are thrown onto the side wall of the dust cup under the action of centrifugal force, and then fall to the bottom of the dust cup, so that the cyclone dust removing effect is achieved.

The patent publication No. CN204427938U discloses a secondary dust-gas separation structure, which comprises a fan cover dust barrel and a spiral dust-gas separation device, wherein the first-stage separation of dust gas is realized through a cyclone cover, a secondary cyclone barrel and the spiral dust-gas separation device positioned at a barrel opening are arranged in the cyclone cover, the dust gas after the first-stage separation forms an air flow rotating towards the barrel bottom under the guidance of the spiral dust-gas separation device, dust in the air flow is driven by centrifugal force to downwards rotate to the barrel bottom and is collected in a secondary dust collection space, and air in the rotating air flow is pumped out by negative pressure to realize the second-stage dust-gas separation. The bottom of the secondary cyclone cylinder is obliquely extended to the center of the lower part to form a conical opening, the conical opening extends to the secondary dust collecting cylinder, and part of the conical opening extends into the inner side of the secondary dust collecting cylinder to form a dust blocking flanging of the secondary dust collecting cylinder, so that dust is prevented from flowing back.

In the scheme, the dust blocking flanging and the secondary dust collecting barrel are integrally formed and used for preventing dust from flowing back, dust accumulation is easy to form at the dust blocking flanging, and cleaning dead angles are easy to form at the dust blocking flanging during actual cleaning, so that cleaning of the dust blocking flanging is troublesome and needs to be improved.

Disclosure of Invention

In order to improve the trouble condition of keeping off dirt and turning over the department clearance, this application provides a dirt cup structure convenient to clean.

The application provides a dirt cup structure convenient to it is clean adopts following technical scheme:

the utility model provides a dirt cup structure convenient to clean, includes cup, bottom of cup and filtration subassembly, the cup has the chamber of holding that link up from top to bottom, the outer wall of cup seted up with hold the whirl import of chamber intercommunication, the bottom of cup closes hold the lower extreme opening in chamber, filtration subassembly install in the cup, filtration subassembly includes filtration screen panel, whirlwind cone and dust collection tube, filtration screen panel is installed in the cup, filtration screen panel includes the honeycomb duct and encircles in the filter ring of honeycomb duct outer lane, the filter ring has a plurality of filtration holes, the honeycomb duct still is equipped with and filters the sea pa, gets into after the air current that the whirl import lets in through the filter ring filters the honeycomb duct and discharges from cup upper end opening after filtering the sea pa;

the cyclone cylinder comprises a conical cylinder part, and the conical cylinder part is positioned at the lower end of the flow guide pipe; the dust collection barrel is sleeved and abutted against the peripheral wall of the conical barrel part, a dust blocking flanging is formed in the area of the conical barrel part protruding out of the inner wall of the dust collection barrel, and the lower end of the dust collection barrel is abutted against the cup bottom; the dust collection cylinder is detachably connected with the cone cylinder part.

Through the technical scheme, when the dust blocking flanging area needs to be cleaned, the dust collecting barrel and the cone barrel part are disassembled and then cleaned, so that the dead angle of cleaning of the dust blocking flanging area is avoided, and the cleaning operation is more convenient.

Optionally, the upper end of the dust collection barrel is provided with a mounting ring part, and the mounting ring part is detachably arranged on the filter ring so as to realize the detachment of the cone barrel part and the dust collection barrel; the cyclone cylinder is clamped with the filter screen cover through the dust collection cylinder to realize positioning.

Through above-mentioned technical scheme, through collar portion and filtering ring detachable mode, when collar portion was torn out, dust collection tube and whirlwind section of thick bamboo all can follow the filter screen cover and cover the split for the dismantlement operation is more convenient, also makes the clearance operation more convenient.

Optionally, the outer peripheral wall of the mounting ring part is provided with a mounting groove, the mounting groove comprises a first groove penetrating through the upper end of the mounting ring part along the axial direction and a second groove communicated with the first groove, and the second groove is formed in the inner wall of the first groove around the circumferential direction of the mounting ring part; the lower extreme of filter ring is equipped with the confession the caulking groove of collar portion embedding, the caulking groove inner wall is equipped with the locating piece, the locating piece is used for embedding behind the first groove make the locating piece embedding through rotating the dust collection tube the second groove realizes the location.

According to the technical scheme, after the positioning block is embedded into the first groove, the positioning block is embedded into the second groove by rotating the dust collection barrel, so that the installation is realized; when the dust collecting barrel is disassembled, the dust collecting barrel is only required to be reversely rotated, so that the positioning block is separated from the second groove, and the disassembly can be realized, so that the installation and the disassembly of the dust collecting barrel are more convenient.

Optionally, the mounting groove is equipped with a plurality ofly around the axis of collar portion, the quantity of locating piece with the mounting groove is the same and the position one-to-one sets up.

Through above-mentioned technical scheme, a plurality of mounting grooves and locating piece cooperation for holistic installation location is more stable.

Optionally, the locating piece orientation the terminal surface in filtering ring axis has seted up the spacing groove, be equipped with in the second groove and be used for the embedding spacing arch in spacing groove, spacing arch is around the both ends of collar portion axis all have the guide surface, the guide surface uniform end extends to the cell wall in first groove and the direction slope towards another guide surface.

Through above-mentioned technical scheme, set up spacing groove and spacing arch, strengthen the location through spacing groove and spacing arch for the location after the installation is more stable, sets up the guide surface, and the guide surface can lead deformation and makes spacing protruding embedding spacing groove and spacing protruding operation that breaks away from the spacing groove more convenient.

Optionally, a guiding inclined plane is arranged at one end, close to the corresponding first groove, of the second groove, and the guiding inclined plane enables one end, close to the first groove, of the second groove to be in a flaring shape and used for guiding the positioning block to be embedded into the second groove.

Through the technical scheme, the guide inclined plane is arranged, and the guide inclined plane guides the positioning block to be embedded into the second groove, so that the operation of embedding the positioning block into the second groove is more convenient.

Optionally, the upper end of the dust collection barrel is provided with a flaring section, and the inner wall of the flaring section is flaring-shaped upwards and is used for being attached to the outer wall of the cone barrel.

Through above-mentioned technical scheme, laminate mutually with the cone section through flaring section, increase the faying face, reduce the condition that dust passes through between dust collection tube and the cone section.

Optionally, a positioning ring is arranged on the peripheral wall of the conical cylinder part, and the flaring section is provided with a positioning groove for embedding and positioning the positioning ring.

Through above-mentioned technical scheme, through holding ring and constant head tank further strengthening location cooperation for the laminating of collection dirt section of thick bamboo and awl section of thick bamboo portion is sealed better. In addition, based on constant head tank and holding ring, can further strengthen sealed effect through the sealing ring according to actual need at the constant head tank bottom.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) The dust collection barrel is detachably connected with the cone barrel part, when the dust blocking flanging area needs to be cleaned, the dust collection barrel and the cone barrel part are detached and then cleaned, so that the dead angle of cleaning of the dust blocking flanging area is avoided, and the cleaning operation is more convenient;

(2) The installation groove and the positioning block are arranged, so that the installation and the disassembly operation of the dust collection barrel are more convenient;

(3) The positioning is enhanced by arranging the limiting groove and the limiting protrusion, so that the positioning after installation is more stable.

Drawings

FIG. 1 is a schematic overall cross-sectional view of an embodiment;

FIG. 2 is an exploded view of the filter screen and dust collection canister of the embodiment;

fig. 3 is an explosion diagram between the cyclone and the dust collection barrel of the embodiment.

Reference numerals: 1. a cup body; 2. a cup bottom; 3. a filter assembly; 31. filtering the net cover; 311. a flow guiding pipe; 3111. a large pipe section; 3112. a small pipe section; 312. a filter ring; 3121. a filter hole; 32. a cyclone; 321. a cone section; 322. a flow guiding part; 33. a dust collection cylinder; 331. a flaring section; 4. a receiving chamber; 5. a clamping block; 6. an elastic clamping part; 61. an abutment surface; 7. a swirl inlet; 8. filtering the HEPA; 9. dust blocking flanging; 10. a mounting ring portion; 11. a mounting groove; 111. a first groove; 112. a second groove; 12. a guide slope; 13. a caulking groove; 14. a positioning block; 15. a limit groove; 16. a limit protrusion; 17. a positioning groove; 18. and a positioning ring.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a dust cup structure convenient to clean.

Examples:

a dust cup structure convenient to clean, see fig. 1, comprises a cup body 1, a cup bottom 2 and a filter assembly 3. The cup body 1 is cylindrical and is provided with a containing cavity 4 which penetrates up and down, and the cup bottom 2 is covered on the lower end opening of the cup body 1. The cup bottom 2 is hinged with the cup body 1, for convenient cover engagement, the clamping block 5 is fixed on the outer wall of the cup body 1, the clamping block 5 is located on one side, away from the hinge axis of the cup bottom 2, of the cup body 1, an elastic clamping portion 6 is arranged at one end, away from the hinge axis, of the cup bottom 2, the elastic clamping portion 6 and the cup bottom 2 are made of plastic materials and are integrally fixed, the elastic clamping portion 6 is provided with an abutting surface 61, and the elastic clamping portion 6 is clamped on the upper end face of the clamping block 5 through the abutting surface 61 to achieve cover engagement. When the cup bottom 2 needs to be opened, the cup bottom 2 can be turned over to realize the opening after the elastic clamping part 6 deforms towards the direction far away from the axis of the cup body 1 and the abutting surface 61 is separated from the clamping block 5 by stirring the elastic clamping part 6.

The outer wall of the cup body 1 is provided with a rotational flow inlet 7, and the included angle between the rotational flow inlet 7 and the tangent line of the inner wall of the accommodating cavity 4 is smaller than 30 degrees, so that when air flow is led in along the rotational flow inlet 7, the air flow can flow along the cavity wall of the accommodating cavity 4 to form rotational flow.

Referring to fig. 1 and 2, the filter assembly 3 is mounted on the cup 1 and located in the accommodating cavity 4, and the filter assembly 3 includes a filter screen 31, a cyclone cylinder 32 and a dust collecting cylinder 33, where the filter screen 31, the cyclone cylinder 32 and the dust collecting cylinder 33 are all made of plastic materials. The filter screen 31 is mounted at the upper end opening of the cup body 1, and the filter screen 31 includes a guide pipe 311 and a filter ring 312. The flow guide pipe 311 comprises a large pipe section 3111 and a small pipe section 3112, the large pipe section 3111 is coaxially mounted on the cup body 1 and fixed with the cup body 1, the filter sea paper 8 is mounted in the large pipe section 3111, and the small pipe section 3112 is coaxially fixed at the lower end of the large pipe section 3111. The filter ring 312 is coaxially fixed to the guide pipe 311 and surrounds the outer circumference of the small pipe section 3112, and the filter ring 312 has a plurality of filter holes 3121, and each of the filter holes 3121 is distributed on the outer circumference of the filter ring 312 and penetrates the filter ring 312 in the radial direction. In actual use, the air flow introduced from the cyclone inlet 7 is filtered by the filter ring 312, enters the guide pipe 311, passes through the filter HEPA 8 and is discharged from the upper end opening of the cup body 1.

Referring to fig. 1 and 3, the cyclone tube 32 includes a cone portion 321 and a guide portion 322 integrally fixed to the upper end of the cone portion 321, the axis of the cone portion 321 coincides with the axis of the filter ring 312, the cone portion 321 is located at the lower end of the guide tube 311, and the pipe diameter of the upper end of the cone portion 321 is greater than the pipe diameter of the small pipe section 3112 and is reduced from top to bottom. The flow guiding part 322 is wound around the periphery of the small pipe section 3112 and is positioned in the filtering ring 312, the flow guiding part 322 comprises a plurality of flow guiding plates which are uniformly distributed around the axis of the cone section 321, and flow guiding gaps are formed between the adjacent flow guiding plates.

The lower end of the dust collection barrel 33 abuts against the cup bottom 2, and in order to enhance the sealing performance, the upper end face of the cup bottom 2 is provided with a sealing ring, and the lower end of the dust collection barrel 33 is tightly abutted against the cup bottom 2 through the sealing ring. The dust collection barrel 33 is sleeved and abutted against the outer peripheral wall of the cone barrel 321, the area of the cone barrel 321 protruding out of the inner wall of the dust collection barrel 33 forms a dust blocking flange 9, and in order to reduce the cleaning dead angle of the dust blocking flange 9, the dust collection barrel 33 and the cone barrel 321 are detachably connected.

The specific detachable structure can be that the cyclone cylinder 32 is fixed with the filter screen cover 31, the dust collection cylinder 33 is detachably connected with the cone cylinder portion 321, the specific detachable connection structure can be in a screw fixing mode, a clamping mode or even a permanent magnet adsorption mode. Referring to fig. 1 and 2, in this example, the detachable structure adopts the detachable connection of the dust collecting barrel 33 and the filter screen 31, the cyclone barrel 32 is clamped by the dust collecting barrel 33 and the filter screen 31 to realize positioning, and when the dust collecting barrel 33 and the filter screen are detached, the detachable effect of the dust collecting barrel 33 and the cone barrel 321 is also realized.

Referring to fig. 1 and 2, the dust collection tube 33 has a mounting ring portion 10 at an upper end thereof, mounting grooves 11 are provided in an outer circumferential wall of the mounting ring portion 10, the mounting grooves 11 are uniformly distributed circumferentially around an axis of the mounting ring portion 10, each of the mounting grooves 11 includes a first groove 111 and a second groove 112, and the first groove 111 penetrates an upper end of the mounting ring portion 10 in an axial direction of the mounting ring portion 10. The second groove 112 is communicated with the corresponding first groove 111, the second groove 112 is formed in the inner wall of the first groove 111 around the circumference of the mounting ring part 10, and the inner wall of the lower end of the second groove 112 is flush with the bottom wall of the lower end of the first groove 111. The second groove 112 is provided with a guiding inclined surface 12 near one end corresponding to the first groove 111, the guiding inclined surface 12 is positioned on the inner wall of the upper end of the second groove 112, and the guiding inclined surface 12 enables one end of the second groove 112 near the first groove 111 to be in a flaring shape.

The lower end of the filter ring 312 is provided with caulking grooves 13 for embedding the mounting ring part 10, positioning blocks 14 are fixed on the inner wall of the caulking grooves 13, and the number of the positioning blocks 14 is the same as that of the mounting grooves 11 and the positions of the positioning blocks are in one-to-one correspondence. When the dust collection barrel 33 and the filter screen 31 need to be installed, the positioning block 14 is embedded into the corresponding first groove 111, then the positioning block 14 is embedded into the corresponding second groove 112 under the guiding action of the guiding inclined plane 12 by rotating the dust collection barrel 33, and at the moment, the upper end of the cyclone barrel 32 abuts against the lower end face of the large pipe section 3111, and the lower end of the cyclone barrel 32 abuts against the dust collection barrel 33 to realize fixation. When the dust collection barrel 33 and the filter screen 31 need to be disassembled, the positioning block 14 is separated from the second groove 112 by reversely rotating the dust collection barrel 33, and then the dust collection barrel 33 is driven to be axially far away from the filter screen 31, so that the disassembly can be realized.

In order to enhance the stability after installation, the end face of each positioning block 14 facing the axis of the filter ring 312 is provided with a limiting groove 15, and the limiting groove 15 is in a flaring shape from the bottom of the groove to the notch. Each second groove 112 is internally provided with a limiting protrusion 16 for being embedded into the corresponding limiting groove 15, each limiting protrusion 16 is provided with a guide surface around two ends of the axis of the mounting ring part 10, and the uniform ends of the two guide surfaces of each limiting protrusion 16 extend to the groove wall of the first groove 111 close to the axis of the mounting ring part 10 and incline towards the direction of the other guide surface. The guide surface can guide deformation, so that the limit protrusions 16 are embedded into the limit grooves 15 and the limit protrusions 16 are separated from the limit grooves 15 more conveniently.

Alternatively, the detachable connection of the dust collection barrel 33 and the filter screen 31 may also be by means of bolting, permanent magnet adsorption, etc.

Referring to fig. 1 and 3, in order to enhance the stability of the fit of the cone portion 321 and the dust collection barrel 33, the upper end of the dust collection barrel 33 has a flared section 331, and the inner wall of the flared section is flared upward for fitting the outer wall of the cone portion 321. The positioning groove 17 is coaxially formed in the inner wall of the flaring section 331, the positioning ring 18 is integrally fixed on the outer wall of the conical barrel 321, and the positioning ring 18 is used for being embedded into the positioning groove 17 to strengthen positioning, so that the dust collection barrel 33 and the conical barrel 321 are better in fit and sealing. In addition, due to the structures of the positioning groove 17 and the positioning ring 18, in actual use, a sealing ring can be added at the bottom of the positioning groove 17 to further enhance the sealing effect between the cone portion 321 and the dust collecting barrel 33.

The working principle of the embodiment is as follows:

when the dust cup needs to be cleaned, the dust at the bottom of the cup body 1 is poured by opening the cup bottom 2, then the dust collection barrel 33 and the filter screen cover 31 are disassembled by screwing the dust collection barrel 33, the cyclone barrel 32 is taken out, then the cone barrel 321 and the dust collection barrel 33 are cleaned, and through the disassembled structure, the dead angle for cleaning the dust blocking flanging 9 area is avoided, so that the cleaning operation is more convenient.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a dirt cup structure convenient to it is clean, includes cup (1), bottom of cup (2) and filter component (3), cup (1) have hold chamber (4) that link up from top to bottom, the outer wall of cup (1) seted up with hold whirl import (7) of chamber (4) intercommunication, bottom of cup (2) lid closes hold the lower extreme opening of chamber (4), filter component (3) install in cup (1), its characterized in that: the filter assembly (3) comprises a filter screen (31), a cyclone cylinder (32) and a dust collection cylinder (33), wherein the filter screen (31) is arranged on the cup body (1), the filter screen (31) comprises a guide pipe (311) and a filter ring (312) encircling the outer ring of the guide pipe (311), the filter ring (312) is provided with a plurality of filter holes (3121), the guide pipe (311) is also provided with a filter HEPA (8), and air flow introduced from the cyclone inlet (7) enters the guide pipe (311) after being filtered by the filter ring (312) and is discharged from an upper end opening of the cup body (1) after passing through the filter HEPA (8);

the cyclone cylinder (32) comprises a conical cylinder part (321), and the conical cylinder part (321) is positioned at the lower end of the guide pipe (311); the dust collection barrel (33) is sleeved and abutted against the peripheral wall of the cone barrel part (321), a dust blocking flanging (9) is formed in the area, protruding out of the inner wall of the dust collection barrel (33), of the cone barrel part (321), and the lower end of the dust collection barrel (33) is used for being abutted against the cup bottom (2); the dust collection cylinder (33) is detachably connected with the cone cylinder part (321).

2. A dirt cup structure for facilitating cleaning as defined in claim 1, wherein: the upper end of the dust collection cylinder (33) is provided with a mounting ring part (10), and the mounting ring part (10) is detachably arranged on the filter ring (312) so as to realize the detachment of the cone cylinder part (321) and the dust collection cylinder (33); the cyclone cylinder (32) is clamped with the filter screen cover (31) through the dust collection cylinder (33) to realize positioning.

3. A dirt cup structure for facilitating cleaning as defined in claim 2, wherein: the mounting ring part (10) is provided with a mounting groove (11) on the outer peripheral wall, the mounting groove (11) comprises a first groove (111) penetrating through the upper end of the mounting ring part (10) along the axial direction and a second groove (112) communicated with the first groove (111), and the second groove (112) is formed in the inner wall of the first groove (111) around the circumferential direction of the mounting ring part (10); the lower extreme of filter ring (312) is equipped with confession mounting ring portion (10) embedded caulking groove (13), caulking groove (13) inner wall is equipped with locating piece (14), locating piece (14) are used for embedding behind first groove (111) make locating piece (14) embedding through rotating dust collection tube (33) second groove (112) realize the location.

4. A dirt cup structure for facilitating cleaning as defined in claim 3, wherein: the mounting grooves (11) are arranged around the axis of the mounting ring part (10), and the number of the positioning blocks (14) is the same as that of the mounting grooves (11) and the positions of the positioning blocks are in one-to-one correspondence.

5. A dirt cup structure for facilitating cleaning as defined in claim 3, wherein: limiting grooves (15) are formed in the end faces, facing the axis of the filter ring (312), of the positioning blocks (14), limiting protrusions (16) used for being embedded into the limiting grooves (15) are arranged in the second grooves (112), guide surfaces are arranged at two ends of the limiting protrusions (16) around the axis of the mounting ring portion (10), and one end of each guide surface extends to the groove wall of the first groove (111) and inclines towards the direction of the other guide surface.

6. A dirt cup structure for facilitating cleaning as defined in claim 3, wherein: one end of the second groove (112) close to the corresponding first groove (111) is provided with a guide inclined plane (12), and the guide inclined plane (12) enables one end of the second groove (112) close to the first groove (111) to be in a flaring shape for the guide positioning block (14) to be embedded into the second groove (112).

7. A dirt cup structure for facilitating cleaning as defined in claim 2, wherein: the upper end of the dust collection barrel (33) is provided with a flaring section (331), and the inner wall of the flaring section is flaring-shaped upwards and is used for being attached to the outer wall of the cone barrel part (321).

8. A dirt cup structure for facilitating cleaning as defined in claim 7, wherein: the outer peripheral wall of the cone barrel part (321) is provided with a positioning ring (18), and the flaring section (331) is provided with a positioning groove (17) for embedding and positioning the positioning ring (18).

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