Dust cup filtering assembly convenient to assemble

Abstract

The utility model discloses a dust cup filtering assembly convenient to assemble. The dust cup filtering assembly comprises an inner dust collecting cup and an outer dust collecting cup, a dust blocking ring; the dust falling seat is clamped with the inner dust collecting cup and the dust blocking ring and is locked with the inner dust collecting cup and the dust blocking ring in the circumferential direction; the bottom of a cone unit of the multi-cone filtering assembly is positioned on the insertion ring; the air outlet seat is connected with the second sleeve of the dust falling seat in an inserting manner through a second connecting column and is used for positioning the multi-cone filtering assembly; a filter screen; the connecting seat is clamped on the air outlet seat in a sleeving manner; provided is a HEPA assembly. According to the utility model, the inner dust collecting cup, the dust blocking ring, the dust falling seat, the multi-cone filter assembly, the air outlet seat, the filter screen and the connecting seat form a filter assembly main body structure which does not need to be fixed by bolts and pins, the structures are clamped and locked layer by layer, and the multi-cone filter assembly is stably positioned, so that the structures cannot be loosened during subsequent assembly, and the assembly efficiency is improved. The assembling convenience and the structural stability are improved; according to the HEPA assembly, the two HEPAs are positioned in the mounting grooves through the sealing rings, and positioning of the HEPAs is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of dust cups, in particular to a dust cup filter assembly that is easy to assemble. Background Art

[0002] As the primary functional component for dust cup airflow and dust filtration, filter assemblies currently utilize a multi-cone structure. This structure utilizes multiple air inlets and a tangential air intake design based on conical centrifugal filtration, thereby improving air intake and filtration efficiency. However, common filter assembly designs often use bolts or pins for structural fixation, which is cumbersome and costly. During assembly, the structure cannot be positioned layer by layer, resulting in looseness, which affects subsequent structural docking and assembly. Furthermore, the multi-cone structure is not adequately positioned, which affects ventilation and dust collection. Utility Model Content

[0003] The purpose of the present utility model is to provide a dust cup filter assembly that is easy to assemble in order to solve the problems that common filter assembly designs mostly use bolts or pins for structural fixation, which are cumbersome to operate and costly, cannot position the layers between structures during assembly, and the structure is loose, which affects the subsequent structure docking and assembly, and the positioning of the multi-cone structure is insufficient, which affects the use of ventilation and dust collection.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: a dust cup filter assembly that is easy to assemble, comprising:

[0005] The inner dust cup has an annular slot on its top;

[0006] A dust shield ring, the inner snap ring of which is inserted into the annular snap groove;

[0007] The dust collecting seat is inserted into the groove between the dust shield ring and the top of the clamping ring. The clamping piece at the bottom is clamped with the inner dust collecting cup and the dust shield ring and locked with each other circumferentially. A plurality of insert rings and a second sleeve extend upward from the top surface.

[0008] A multi-cone filter assembly includes a plurality of cone units, wherein the bottoms of the cone units are positioned on the insert ring;

[0009] An air outlet seat, wherein the air outlet pipe at the bottom is connected to the top of the cone unit, a second connecting column is provided between the plurality of the air outlet pipes, the second sleeve and the second connecting column extend between the plurality of the cone units, and the second connecting column is plugged into the second sleeve;

[0010] The filter screen has a bottom edge and a top edge respectively embedded and assembled between the dust shield ring and the dust drop seat and on the air outlet seat;

[0011] A connecting seat, which is sleeved and clamped on the air outlet seat;

[0012] The HEPA component is assembled in the mounting groove on the top of the air outlet seat.

[0013] As a further description of the above technical solution:

[0014] A first connecting column is provided on the inner side of the bottom edge of the dust collecting seat and a first reinforcing rib extends radially. The first connecting column extends downward and is inserted into the first sleeve on the inner side of the annular groove. The first sleeve abuts against the notch on the inner side of the retaining ring of the dust shield ring. The first reinforcing rib is inserted into the first retaining port of the annular groove and the second retaining port on the retaining ring of the dust shield ring from the inside to the outside.

[0015] As a further description of the above technical solution:

[0016] A third sleeve is extended outside the bottom of the cone unit, and the inserting ring is inserted into the gap between the bottom of the cone unit and the third sleeve.

[0017] As a further description of the above technical solution:

[0018] A pad is provided between the multi-cone filter assembly and the end face of the air outlet seat, the air outlet pipe is inserted into the through hole of the pad, the second connecting column is inserted into the positioning hole of the pad, a second reinforcing rib is provided on the outside of the second connecting column, and the second reinforcing rib is inserted into a third bayonet extending radially outside the positioning hole.

[0019] As a further description of the above technical solution:

[0020] A locking block is provided on the outside of the air outlet seat, and the locking block is slidably provided in an L-shaped locking groove which is open on the inside and bottom of the connecting seat.

[0021] As a further description of the above technical solution:

[0022] The width of the L-shaped locking groove at the opening is equal to the length of the locking block, and the width of the inner end is equal to the width of the locking block.

[0023] As a further description of the above technical solution:

[0024] The HEPA assembly includes a first HEPA, a sealing ring and a second HEPA. The first HEPA is fixed in the mounting groove of the air outlet seat through internal ribs. The sealing ring is pressed on the first HEPA, and its outer elastic convex ring is sealed and pre-tightened against the outer side of the mounting groove. The second HEPA is pressed into the interior of the sealing ring and positioned on its stepped structure.

[0025] In summary, due to the adoption of the above technical solution, the present invention has the following advantages compared with the prior art:

[0026] Beneficial effects:

[0027] The utility model adopts a filter assembly main structure design which does not require bolts or pins to fix, consisting of an inner dust collecting cup, a dust shield ring, a dust collecting seat, a multi-cone filter assembly, an air outlet seat, a filter screen and a connecting seat. The structure is locked layer by layer, and the multi-cone filter assembly is stably positioned, so that the above structure will not loosen during subsequent assembly, thereby improving assembly convenience and structural stability. The HEPA assembly uses a sealing ring to position the two HEPAs in the installation groove, and the HEPA positioning is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0029] Figure 1 A disassembled diagram of a dust cup filter assembly that is easy to assemble.

[0030] Figure 2 This is a structural diagram of the inner dust cup and dust shield ring in a dust cup filter assembly that is easy to assemble.

[0031] Figure 3 A schematic diagram of the structure of a dust dropper in a dust cup filter assembly that is easy to assemble Figure 1 .

[0032] Figure 4 A schematic diagram of the structure of a dust dropper in a dust cup filter assembly that is easy to assemble Figure 2 .

[0033] Figure 5 This is a schematic structural diagram of a multi-cone filter assembly in a dust cup filter assembly that is easy to assemble.

[0034] Figure 6 This is a structural diagram of the backing plate, air outlet seat, and connecting seat in a dust cup filter assembly that is easy to assemble.

[0035] Legend:

[0036] 1. Inner dust cup; 11. Annular slot; 12. First sleeve; 13. First bayonet; 2. Dust shield ring; 21. Notch; 22. Second bayonet; 3. Dust collecting seat; 31. First connecting column; 32. First reinforcing rib; 33. Insert ring; 34. Second sleeve; 4. Multi-cone filter assembly; 41. Third sleeve; 5. Air outlet seat; 50. Pad; 51. Second connecting column; 52. Locking block; 53. Second reinforcing rib; 54. Positioning hole; 55. Third bayonet; 6. Filter screen; 7. Connecting seat; 71. L-shaped locking slot; 8. Second HEPA; 81. Sealing ring; 82. First HEPA. DETAILED DESCRIPTION

[0037] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0039] See also Figure 1-6 The utility model provides a technical solution: a dust cup filter assembly that is easy to assemble, comprising:

[0040] The inner dust cup 1 has an annular slot 11 on its top;

[0041] The dust shield ring 2 has its inner snap ring inserted into the annular snap groove 11;

[0042] The dust collecting seat 3 is inserted into the groove between the dust shield ring 2 and the top of the clamping ring. The clamping piece at the bottom is clamped with the inner dust collecting cup 1 and the dust shield ring 2 and locked with each other circumferentially. A plurality of insert rings 33 and a second sleeve 34 extend upward from the top surface.

[0043] The multi-cone filter assembly 4 includes a plurality of cone units, the bottom of each cone unit being positioned on the insert ring 33;

[0044] The air outlet seat 5 has an air outlet pipe at its bottom connected to the top of the cone unit. A second connecting column 51 is provided between the plurality of air outlet pipes. The second sleeve 34 and the second connecting column 51 extend between the plurality of cone units. The second connecting column 51 is plugged into the second sleeve 34.

[0045] The filter screen 6, whose bottom edge and top edge are respectively embedded and assembled between the dust shield ring 2 and the dust drop seat 3 and on the air outlet seat 5;

[0046] A connecting seat 7, which is sleeved and clamped on the air outlet seat 5;

[0047] The HEPA component is assembled in the mounting groove on the top of the air outlet seat 5.

[0048] The clamping member of the dust collecting seat 3 is connected to the inner dust collecting cup 1 and the dust shield ring 2, and the circumferential locking structure is designed. Specifically, a first connecting column 31 is provided on the inner side of the bottom edge of the dust collecting seat 3, and a first reinforcing rib 32 extends radially. The first connecting column 31 extends downward and is inserted into the first sleeve 12 inside the annular groove 11. The first sleeve 12 abuts against the notch 21 inside the retaining ring of the dust shield ring 2. The first reinforcing rib 32 is inserted from the inside to the outside in sequence into the first retaining port 13 of the annular groove 11 and the second retaining port 22 on the retaining ring of the dust shield ring 2. This structure can achieve structural guidance and multiple structural locking without bolts or pins, thereby improving the assembly efficiency of the bottom of the filter assembly.

[0049] In order to further improve the assembly stability of the multi-cone filter assembly 4 and the dust collecting seat 3, a third sleeve 41 extends outside the bottom of the cone unit, and the insert ring 33 is inserted into the gap between the bottom of the cone unit and the third sleeve 41.

[0050] In order to further improve the assembly stability of the multi-cone filter assembly 4 and the air outlet seat 5, a pad 50 is provided between the end faces of the multi-cone filter assembly 4 and the air outlet seat 5 for splicing processing of the end faces of the two. The air outlet pipe is plugged into the through hole of the pad 50, and the second connecting column 51 is plugged into the positioning hole 54 of the pad 50. A second reinforcing rib 53 is provided on the outside of the second connecting column 51, and the second reinforcing rib 53 is plugged into a third bayonet 55 extending radially outside the positioning hole 54.

[0051] A locking block 52 is provided on the outside of the air outlet seat 5 and slides within an L-shaped locking groove 71, which is open at the bottom inside the connecting seat 7. Specifically, the width of the L-shaped locking groove 71 at its opening is equal to the length of the locking block 52, and the width of its inner end is equal to the width of the locking block 52. This design facilitates the rotational assembly of the air outlet seat 5 and the connecting seat 7, improving assembly efficiency.

[0052] The HEPA assembly includes a first HEPA 82, a sealing ring 81, and a second HEPA 8. The first HEPA 82 is fixed to the mounting groove of the air outlet seat 5 via internal ribs. The sealing ring 81 presses against the first HEPA 82, with its outer elastic convex ring sealing and pre-tightening against the outside of the mounting groove. The second HEPA 8 is pressed into the interior of the sealing ring 81 and positioned on its stepped structure. This design improves the air quality of the filter assembly, enhances the assembly stability of the HEPA assembly, and improves assembly efficiency.

[0053] The dust cup filter assembly of this embodiment is easy to assemble. The assembly process of the dust cup filter assembly includes: the snap ring of the dust shield ring 2 is inserted into the annular groove 11 of the inner dust collecting cup 1, the first sleeve 12 is abutted against the notch 21, and the first bayonet 13 and the second bayonet 22 are aligned synchronously, and then the first connecting post 31 at the bottom of the dust falling seat 3 is inserted into the first sleeve 12, and the first reinforcing rib 32 is plugged into the above two bayonet holes through its guidance to achieve the circumferential locking of the above structure; the multi-cone filter assembly 4 is pressed against the top surface of the dust falling seat 3, so that the cone unit cooperates with the third sleeve 41 and the plug-in ring 33 to ensure the stable positioning of each cone unit; the filter screen 6 is sleeved on the outside of the multi-cone filter assembly 4, and its bottom is inserted into the gap between the dust shield ring 2 and the dust falling seat 3; the bottom of the air outlet seat 5 is pressed into the pad 50, so that the second connecting post 51 is plugged into the positioning hole 54, and the second reinforcing rib 53 is plugged into the third bayonet hole, thereby The design can improve the structural strength of the air outlet duct and reduce the air outlet noise; thereafter, the second connecting column 51 is inserted into the second sleeve 34, and the air outlet seat 5 is sleeved on the top edge of the filter screen 6, and the pad 50 is abutted against the top of the multi-cone filter assembly 4 to achieve structural locking; the first Hepa 82 is pressed into the mounting groove of the air outlet seat 5 and fixed by the internal ribs, and the second Hepa 8 is pressed into the stepped structure in the sealing ring 81 for positioning, and the sealing ring 81 is pressed into the mounting groove and pressed on the first Hepa 82, and the sealing ring 81 is pressed inside so that the elastic convex ring on its outside is stably pre-tightened and sealed to the side of the mounting groove; finally, the connecting seat 7 is pressed onto the air outlet seat 5, the locking block 52 is inserted into the L-shaped locking groove 71, and the connecting seat 7 is rotated so that the locking block 52 slides into and is clamped at the inner end of the L-shaped locking groove 71, thus completing the assembly of the filter assembly, which can then be assembled inside the dust cup through the connecting seat 7.

[0054] In summary, due to the adoption of the above technical solution, the dust cup filter assembly of this embodiment that is easy to assemble has the following beneficial effects compared to the prior art:

[0055] The utility model adopts a filter assembly main structure design which does not require bolts or pins to fix, consisting of an inner dust collecting cup, a dust shield ring, a dust collecting seat, a multi-cone filter assembly, an air outlet seat, a filter screen and a connecting seat. The structure is locked layer by layer, and the multi-cone filter assembly is stably positioned, so that the above structure will not loosen during subsequent assembly, thereby improving assembly convenience and structural stability. The HEPA assembly uses a sealing ring to position the two HEPAs in the installation groove, and the HEPA positioning is stable.

[0056] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dust cup filter assembly that is easy to assemble, characterized in that: include: The inner dust cup has an annular slot on its top; A dust shield ring, the inner snap ring of which is inserted into the annular snap groove; The dust collecting seat is inserted into the groove between the dust shield ring and the top of the clamping ring. The clamping piece at the bottom is clamped with the inner dust collecting cup and the dust shield ring and locked with each other circumferentially. A plurality of insert rings and a second sleeve extend upward from the top surface. A multi-cone filter assembly includes a plurality of cone units, wherein the bottoms of the cone units are positioned on the insert ring; An air outlet seat, wherein the air outlet pipe at the bottom is connected to the top of the cone unit, a second connecting column is provided between the plurality of the air outlet pipes, the second sleeve and the second connecting column extend between the plurality of the cone units, and the second connecting column is plugged into the second sleeve; The filter screen has a bottom edge and a top edge respectively embedded and assembled between the dust shield ring and the dust drop seat and on the air outlet seat; A connecting seat, which is sleeved and clamped on the air outlet seat; The HEPA component is assembled in the mounting groove on the top of the air outlet seat.

2. The dust cup filter assembly that is easy to assemble according to claim 1, characterized in that: A first connecting column is provided on the inner side of the bottom edge of the dust collecting seat and a first reinforcing rib extends radially. The first connecting column extends downward and is inserted into the first sleeve on the inner side of the annular groove. The first sleeve abuts against the notch on the inner side of the retaining ring of the dust shield ring. The first reinforcing rib is inserted into the first retaining port of the annular groove and the second retaining port on the retaining ring of the dust shield ring from the inside to the outside.

3. The dust cup filter assembly that is easy to assemble according to claim 1, characterized in that: A third sleeve is extended outside the bottom of the cone unit, and the inserting ring is inserted into the gap between the bottom of the cone unit and the third sleeve.

4. The dust cup filter assembly that is easy to assemble according to claim 1, characterized in that: A pad is provided between the multi-cone filter assembly and the end face of the air outlet seat, the air outlet pipe is inserted into the through hole of the pad, the second connecting column is inserted into the positioning hole of the pad, a second reinforcing rib is provided on the outside of the second connecting column, and the second reinforcing rib is inserted into a third bayonet extending radially outside the positioning hole.

5. The dust cup filter assembly that is easy to assemble according to claim 1, characterized in that: A locking block is provided on the outside of the air outlet seat, and the locking block is slidably provided in an L-shaped locking groove which is open on the inside and bottom of the connecting seat.

6. The dust cup filter assembly that is easy to assemble according to claim 5, characterized in that: The width of the L-shaped locking groove at the opening is equal to the length of the locking block, and the width of the inner end is equal to the width of the locking block.

7. The dust cup filter assembly that is easy to assemble according to claim 1, characterized in that: The HEPA assembly includes a first HEPA, a sealing ring and a second HEPA. The first HEPA is fixed in the mounting groove of the air outlet seat through internal ribs. The sealing ring is pressed on the first HEPA, and its outer elastic convex ring is sealed and pre-tightened against the outer side of the mounting groove. The second HEPA is pressed into the interior of the sealing ring and positioned on its stepped structure.

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