Cyclone separation mechanism of dust collection device

Abstract

The utility model discloses a cyclone separation mechanism of a dust collection device. The cyclone separation mechanism comprises a cyclone upper cover, a cyclone lower shell, a connecting bracket and a cyclone body, the cyclone upper cover is provided with a cover bottom, and a plurality of through holes are formed in the cover bottom; the cyclone lower shell is of a thin shell structure with two open ends; the connecting support is connected between the cyclone upper cover and the cyclone lower shell and comprises a ring body part, a cover body part and a connecting rib connected between the ring body part and the cover body part, and the cover body part is provided with a cover top; the cyclone body is arranged between the cover bottom of the cyclone upper cover and the cover top of the connecting bracket in a joint manner, and comprises a plurality of cyclone cones which are communicated with the through holes in a one-to-one correspondence manner, and air inlet channels are formed in the cyclone cones; a plurality of concave cavities are correspondingly formed in the cover top of the cover body part, and via holes are formed in the bottoms of the concave cavities. The cyclone separation mechanism disclosed by the utility model is formed by assembling a plurality of module parts, and the matching structures among the module parts are simple, so that the module parts can be conveniently disassembled to clean the interior of the cyclone separation mechanism, and the performance of the cyclone separation mechanism is effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to a cyclone separation mechanism of a dust collecting device. Background Art

[0002] A vacuum cleaner is a commonly used household appliance. Its working principle is mainly to use a motor to drive the blades to rotate at high speed, generate negative air pressure in a sealed shell, and absorb and store dust at the same time. The dust collecting device (dust cup) is the core component of the vacuum cleaner for dust removal and dust collection. The existing dust collecting device generally includes a dust collecting barrel and a cyclone separation mechanism installed in the dust collecting barrel. However, the existing cyclone separation mechanism is mostly an integrated structure that is difficult to disassemble, which makes it difficult to clean the dust in the cyclone separation mechanism. Long-term use will seriously affect the performance of the cyclone separation mechanism, and there is room for improvement. Utility Model Content

[0003] The utility model aims to overcome the defects in the above-mentioned prior art and provides a cyclone separation mechanism for a dust collecting device, which is assembled from multiple modules such as a cyclone upper cover, a cyclone lower shell, a connecting bracket and a cyclone body, and the matching structure between the modules is simple, which can be conveniently disassembled and assembled, thereby facilitating disassembly to clean the inside of the cyclone separation mechanism and effectively ensuring the performance of the cyclone separation mechanism.

[0004] To achieve the above-mentioned purpose, the utility model provides a cyclone separation mechanism of a dust collecting device, comprising a cyclone upper cover, a cyclone lower shell, a connecting bracket and a cyclone body;

[0005] The cyclone upper cover has a cover bottom and a plurality of through holes are opened on the cover bottom;

[0006] The cyclone lower shell is a thin shell structure with open ends at the upper and lower ends;

[0007] The connecting bracket is connected between the cyclone upper cover and the cyclone lower shell, and includes an annular body part detachably connected to the cyclone upper cover, a cover body part detachably connected to the upper end of the cyclone lower shell, and a connecting rib integrally connected between the annular body part and the cover body part, wherein the cover body part has a cover top;

[0008] The cyclone body is connected and arranged between the bottom cover of the cyclone upper cover and the top cover of the connecting bracket, and includes a plurality of cyclone cones arranged and connected to the through holes in a one-to-one correspondence, and the cyclone cones are structured with an air inlet channel connected to the inner cavity thereof;

[0009] A plurality of concave cavities for correspondingly inserting the lower end portions of the cyclone cones are arranged on the top of the cover body, and a through hole communicating with the lower port of the cyclone cone is arranged on the bottom of the concave cavity.

[0010] It is further configured that: the cover bottom of the cyclone upper cover has an annular first plane portion along its outer edge, and a plurality of first countersunk hole portions that are recessed upwards are arranged at intervals around the first plane portion;

[0011] The upper end surface of the ring body of the connecting bracket abuts against the first plane part of the cover bottom, and the ring body is provided with a first fixing column for one-to-one insertion into the first countersunk hole part, and the first fixing column is connected to the first countersunk hole part by screws.

[0012] It is further configured that: a plurality of second fixing columns extending downward are also provided on the cover bottom;

[0013] The cyclone body also includes a plurality of second countersunk holes configured to be inserted into the second fixing posts in a one-to-one correspondence, and the second countersunk holes are connected to the second fixing posts by screws.

[0014] It is further configured that: a plurality of third fixing columns extending downward are provided on the top of the cover of the connecting bracket;

[0015] The corresponding structure on the cyclone lower cover is provided with a third countersunk hole portion for inserting a third fixing column, and the third fixing column and the third countersunk hole portion are fixedly connected by screws.

[0016] It is further configured that: at least one of the cyclone cones is provided with a fourth fixing column extending downward;

[0017] A fourth countersunk hole portion for inserting a fourth fixing column is correspondingly arranged on the top of the cover, and the fourth fixing column and the fourth countersunk hole portion are connected by screws.

[0018] It is further configured as follows: it also includes a filter ring which is arranged on the connection bracket to cover the openings between the connection ribs, and the ring surface of the filter ring is densely covered with filter holes.

[0019] It is further configured as follows: the connecting rib structure is connected to the lower port of the ring body, and the outer wall of the connecting rib and the inner wall of the lower port are arranged at a distance to cooperate to form an upper embedding opening for embedding the upper end of the filter ring.

[0020] It is further configured that: the cover body also includes a cover edge connected to the cover top, the cover edge is embedded in the upper port of the cyclone lower shell, and the outer wall of the cover edge and the inner wall of the upper port are arranged at a distance to cooperate to form a lower embedding opening for embedding the lower port of the filter ring;

[0021] A corresponding structure in the lower shell of the cyclone is provided with a structure for the end of the cover edge to rest on.

[0022] It is further configured as follows: an air inlet cylinder extending downward and extending into the cyclone cone is provided at the corresponding through hole of the cover bottom, the air inlet cylinder is a conical structure with a larger upper portion and a smaller lower portion, and the lower end of the air inlet cylinder extends to below the air inlet channel.

[0023] It is further configured that: the outer side wall of the air inlet channel is arranged tangent to the cone wall of the cyclone cone.

[0024] Compared with the prior art, the cyclone separation mechanism of the utility model is assembled from five module components, namely, a cyclone upper cover, a cyclone lower shell, a connecting bracket, a cyclone body and a filter ring, and the matching structure between the module components is simple and reliable, and can be easily disassembled to clean the inside of the cyclone separation mechanism, thereby effectively ensuring the performance of the cyclone separation mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the cross-sectional structure of the dust collecting device of the utility model;

[0026] Figure 2 It is a three-dimensional structural schematic diagram of a cyclone separation mechanism of a dust collecting device of the utility model;

[0027] Figure 3 is a schematic diagram of the cross-sectional structure of a cyclone separation mechanism;

[0028] Figure 4 This is a schematic diagram of the axial separation structure of the cyclone separation mechanism. Figure 1 ;

[0029] Figure 5 This is a schematic diagram of the axial separation structure of the cyclone separation mechanism. Figure 2 .

[0030] The following reference numerals are marked on the drawings in conjunction with the drawings:

[0031] 1. dust collecting bucket; 11. bucket body; 12. top cover; 13. bottom cover; 2. cyclone separation mechanism; 20. cyclone upper cover; 21. cover bottom; 211. through hole; 212. first countersunk hole; 213. air inlet tube; 214. second fixing column; 30. cyclone lower shell; 31. second cone structure; 311. third countersunk hole; 40. connecting bracket; 41. ring body; 411. first cone structure; 4111 , first fixed column; 42, cover body; 421, cover top; 4211, concave cavity; 4212, through hole; 4213, third fixed column; 4214, fourth countersunk hole portion; 422, cover edge; 43, connecting rib; 50, cyclone body; 51, cyclone cone; 511, air inlet channel; 512, fourth fixed column; 52, second countersunk hole portion; 60, filter ring; A, air inlet chamber; B, air outlet chamber; C, dust collecting chamber. DETAILED DESCRIPTION

[0032] A specific implementation of the present utility model is described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present utility model is not limited by the specific implementation mode.

[0033] The utility model discloses a cyclone separation mechanism of a dust collecting device. Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, it includes a cyclone upper cover 20, a cyclone lower shell 30, a connecting bracket 40, a cyclone body 50 and a filter ring 60; wherein the cyclone upper cover 20 is a cover structure with a cover bottom 21, and a plurality of through holes 211 are arranged on the cover bottom 21; the cyclone lower shell 30 is a thin shell structure with open ends at the upper and lower ends; the connecting bracket 40 is connected between the cyclone upper cover 20 and the lower shell, and includes a ring body part 41 detachably connected to the cyclone upper cover 20, a cover body part 42 detachably connected to the upper end of the cyclone lower shell 30, and a filter ring 60; and a plurality of connecting ribs 43 integrally connected between the ring body 41 and the cover body 42, wherein the cover body 42 has a cover top 421 for blocking the upper port of the cyclone lower shell 30; the cyclone body 50 is connected and arranged between the cover bottom 21 of the cyclone upper cover 20 and the cover top 421 of the connecting bracket 40, and includes a plurality of cyclone cones 51 having the same number as the through holes 211 on the cyclone upper cover 20, each cyclone cone 51 is a conical structure with a larger upper portion and a smaller lower portion and is configured with at least one air inlet channel 511, preferably the air inlet channel 511 The outer side wall is arranged tangentially to the cone wall of the cyclone cone 51, so that the swirl effect of the airflow entering the cyclone cone 51 through the air inlet channel 511 can be effectively guaranteed; the upper ports of several cyclone cones 51 are connected to the cover bottom 21 of the cyclone upper cover 20 and are arranged one-to-one correspondingly with the through holes 211 thereon, and the lower ports of several cyclone cones 51 are connected and arranged on the cover top 421 of the connecting bracket 40, and the corresponding structure on the cover top 421 of the connecting bracket 40 is provided with several concave cavities 4211 for the lower end portions of the cyclone cones 51 to be inserted one-to-one And the bottom of each concave cavity 4211 is provided with a through hole 4212 connected to the lower port of the cyclone cone 51, so that the cyclone body 50 can be stably clamped and installed between the cover top 421 and the cover bottom 21, and the connection between the cyclone upper cover 20 and the cyclone lower shell 30 can be achieved through the cyclone body 50; the filter ring 60 is densely covered with filter holes, which is circled on the connecting bracket 40 to cover the opening between the connecting ribs 43, so as to achieve preliminary filtering of the airflow entering the cyclone cone 51 to filter out larger foreign matter such as hair and paper scraps.

[0034] In this embodiment, if Figure 3 and Figure 4As shown, the specific matching connection structure between the cyclone upper cover 20 and the connecting bracket 40 is: the cover bottom 21 of the cyclone upper cover 20 has an annular first plane portion along its outer edge, and a plurality of upwardly recessed first countersunk portions 212 are arranged at circumferential intervals on the first plane portion; the upper end portion of the ring body 41 of the connecting bracket 40 abuts against the first plane portion of the cover bottom 21, and the ring body 41 is structured with first fixing columns 4111 for one-to-one insertion into the first countersunk portions 212, and the first fixing columns 4111 are connected to the first countersunk portions 212 by screws. Specifically, the lower section of the ring body 41 is a tapered first conical cylinder structure 411, and a plurality of first fixing columns 4111 are arranged on the conical surface of the first conical cylinder structure 411.

[0035] In this embodiment, if Figure 3 and Figure 5 As shown, the specific matching connection structure of the connecting bracket 40 and the cyclone lower shell 30 is: the cover top 421 is provided with third fixing columns 4213 extending downward like a rod at circumferential intervals along its outer edge; the upper port of the cyclone lower shell 30 is correspondingly structured with a third countersunk hole portion 311 for the third fixing columns 4213 to be inserted one by one, and the third fixing columns 4213 and the third countersunk hole portion 311 are fixedly connected by screws; preferably, a tapered second cone cylinder structure 31 is connected below the upper port portion of the cyclone lower shell 30, and the second cone cylinder structure 31 can not only facilitate the construction of the third countersunk hole portion 311, but also better guide the dust to gather downward.

[0036] In the above scheme, if Figure 3 As shown, the connecting rib 43 is connected to the lower port of the ring body 41 and the outer wall of the connecting rib 43 is spaced apart from the inner wall of the lower port to cooperate to form an upper embedding opening; the cover body 42 also includes a cover edge 422 connected to the cover top 421, the cover edge 422 is embedded in the upper port of the cyclone lower shell 30 and rests on the conical surface of the second cone structure 31, and at the same time, the outer wall of the cover edge 422 is spaced apart from the inner wall of the upper port to cooperate to form a lower embedding opening; the upper and lower ends of the filter ring 60 are respectively embedded in the upper embedding opening and the lower embedding opening to stabilize the ring on the connecting bracket 40.

[0037] In this embodiment, if Figure 3 , Figure 4 and Figure 5As shown, the upper end of the cyclone body 50 is fixedly connected to the cover bottom 21 of the cyclone upper cover 20, and the lower end of the cyclone body 50 is fixedly connected to the cover top 421 of the connecting bracket 40. Specifically: a plurality of second fixing columns 214 extending downward are also provided on the cover bottom 21, and the cyclone body 50 also includes a plurality of second countersunk hole portions 52 configured to allow the second fixing columns 214 to be inserted one by one, and the second countersunk hole portions 52 are connected to the second fixing columns 214 by screws; a fourth fixing column 512 extending downward is configured on at least one cyclone cone 51, and a fourth countersunk hole portion 4214 for inserting the fourth fixing column 512 is correspondingly configured on the cover top 421, and the fourth fixing column 512 is connected to the fourth countersunk hole portion 4214 by screws.

[0038] In the above scheme, a plurality of cyclone cones 51 are connected and arranged in an annular interval of at least one circle, the number of the second countersunk hole portions 52 is equal to the number of the cyclone cones 51 and are correspondingly arranged on one side of the cyclone cone 51, the cover bottom 21 of the cyclone upper cover 20 includes a first plane portion, and a first arcuate portion located in the first plane portion and protruding upward, and the through holes 211 are all arranged on the first arcuate portion; at least one cyclone cone 51 located in the outermost circle is provided with a fourth fixing column 512 extending downward, the cover top 421 of the connecting bracket 40 includes an annular second plane portion, and a second arcuate portion located in the second plane portion and protruding upward, the fourth countersunk hole portion 4214 and the third fixing column 4213 are both arranged on the second plane portion, and the concave cavity 4211 is both arranged on the second arcuate portion.

[0039] In this embodiment, if Figure 3 and Figure 4 As shown, a downwardly extending air inlet cylinder 213 is arranged around the mouth edge or outer periphery of the through hole 211 on the bottom 21 of the cyclone upper cover 20. The air inlet cylinder 213 is a conical structure that is larger at the top and smaller at the bottom, and its lower end extends to the bottom of the air inlet channel 511. This can effectively reduce the possibility of dust in the cyclone cone 51 entering the cyclone upper cover 20 through the air inlet cylinder 213.

[0040] like Figure 1As shown, the integrated device for the vacuum cleaner includes a dust collecting bucket 1 and the above-mentioned cyclone separation mechanism 2; wherein the dust collecting bucket 1 includes a bucket body 11, a top cover 12 detachably connected to the top of the bucket body 11, and a bottom cover 13 hingedly arranged at the bottom of the bucket body 11; the cyclone separation mechanism 2 is embedded in the dust collecting bucket 1, and the outer wall of the cyclone separation mechanism 2 cooperates with the inner wall of the dust collecting bucket 1 to form an air inlet cavity A, and the dust collecting bucket 1 is provided with an air inlet of a pipe connected to the air inlet cavity A; the outer annular surface of the cyclone upper cover 20 and / or the outer annular surface of the ring body portion 41 of the connecting bracket 40 are sealed with the inner wall of the bucket body 11 so that the cyclone upper cover 20 and the top cover 1 are sealed. 2 cooperate to form an air outlet chamber B, and the cyclone lower shell 30 and the bottom cover 13 cooperate to form a dust collecting chamber C; when the vacuum cleaner is working, the airflow carrying garbage enters the air inlet chamber A through the air inlet, and then removes large-volume garbage (hair, paper scraps, etc.) through the preliminary filtration of the filter ring 60, and then enters the cyclone cone 51 through the air inlet channel 511 and forms a cyclone in the cyclone cone 51. Small-volume garbage such as dust is introduced into the dust collecting chamber C below under the action of the cyclone and collected. The separated airflow enters the air outlet chamber B above through the air inlet tube 213 and is discharged, thereby effectively achieving the separation and dust collection effects of the dust collecting device.

[0041] Compared with the prior art, the cyclone separation mechanism of the utility model is assembled from five module components, namely, a cyclone upper cover, a cyclone lower shell, a connecting bracket, a cyclone body and a filter ring, and the matching structure between the module components is simple and reliable, and can be easily disassembled to clean the inside of the cyclone separation mechanism, thereby effectively ensuring the performance of the cyclone separation mechanism.

[0042] The above disclosure is only an embodiment of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A cyclone separation mechanism of a dust collecting device, characterized in that: It includes a cyclone upper cover, a cyclone lower shell, a connecting bracket and a cyclone body; The cyclone upper cover has a cover bottom and a plurality of through holes are opened on the cover bottom; The cyclone lower shell is a thin shell structure with open ends at the upper and lower ends; The connecting bracket is connected between the cyclone upper cover and the cyclone lower shell, and includes an annular body part detachably connected to the cyclone upper cover, a cover body part detachably connected to the upper end of the cyclone lower shell, and a connecting rib integrally connected between the annular body part and the cover body part, wherein the cover body part has a cover top; The cyclone body is connected and arranged between the bottom cover of the cyclone upper cover and the top cover of the connecting bracket, and includes a plurality of cyclone cones arranged and connected to the through holes in a one-to-one correspondence, and the cyclone cones are structured with an air inlet channel connected to the inner cavity thereof; A plurality of concave cavities for correspondingly inserting the lower end portions of the cyclone cones are arranged on the top of the cover body, and a through hole communicating with the lower port of the cyclone cone is arranged on the bottom of the concave cavity.

2. The cyclone separation mechanism of a dust collecting device according to claim 1, characterized in that: The bottom of the cyclone upper cover has an annular first plane portion along its outer edge, and a plurality of first countersunk holes that are recessed upward are arranged at intervals around the first plane portion; The upper end surface of the ring body of the connecting bracket abuts against the first plane part of the cover bottom, and the ring body is provided with a first fixing column for one-to-one insertion into the first countersunk hole part, and the first fixing column is connected to the first countersunk hole part by screws.

3. The cyclone separation mechanism of a dust collecting device according to claim 1 or 2, characterized in that: The cover bottom is also provided with a plurality of second fixing columns extending downwards; The cyclone body also includes a plurality of second countersunk holes configured to be inserted into the second fixing posts in a one-to-one correspondence, and the second countersunk holes are connected to the second fixing posts by screws.

4. The cyclone separation mechanism of a dust collecting device according to claim 1, characterized in that: A plurality of third fixing columns extending downward are arranged on the top of the connecting bracket; A third countersunk hole portion for inserting a third fixing column is correspondingly provided on the cyclone lower shell, and the third fixing column is fixedly connected to the third countersunk hole portion by screws.

5. The cyclone separation mechanism of a dust collecting device according to claim 1 or 4, characterized in that: At least one of the cyclone cones is provided with a fourth fixing column extending downward; A fourth countersunk hole portion for inserting a fourth fixing column is correspondingly arranged on the top of the cover, and the fourth fixing column and the fourth countersunk hole portion are connected by screws.

6. The cyclone separation mechanism of a dust collecting device according to claim 1, characterized in that: The filter ring is also provided on the connection bracket to cover the openings between the connection ribs, and the filter ring has filter holes densely distributed on its annular surface.

7. The cyclone separation mechanism of the dust collecting device according to claim 6, characterized in that: The connecting rib structure is connected to the lower port of the ring body, and the outer wall of the connecting rib and the inner wall of the lower port are arranged at a distance to cooperate to form an upper embedding opening for embedding the upper end of the filter ring.

8. A cyclone separation mechanism of a dust collecting device according to claim 6 or 7, characterized in that: The cover body also includes a cover edge connected to the cover top, the cover edge is embedded in the upper port of the cyclone lower shell, and the outer wall of the cover edge and the inner wall of the upper port are arranged at a distance to form a lower embedding opening for the lower port of the filter ring to be embedded; A corresponding structure in the lower shell of the cyclone is provided with a structure for the end of the cover edge to rest on.

9. The cyclone separation mechanism of a dust collecting device according to claim 1, characterized in that: An air inlet cylinder extending downward and extending into the cyclone cone is arranged at the corresponding through hole of the cover bottom. The air inlet cylinder is a conical structure with a larger upper part and a smaller lower part, and the lower end of the air inlet cylinder extends to the bottom of the air inlet channel.

10. The cyclone separation mechanism of a dust collecting device according to claim 1, characterized in that: The outer side wall of the air inlet channel is arranged tangent to the cone wall of the cyclone cone.

Images