Curved dust collection air duct structure of dust collector base station

Abstract

The invention discloses a curved dust-collecting air duct structure of a dust collector base station. The curved dust-collecting air duct structure comprises a first flow guide pipe; a partition plate is arranged in the second flow guide pipe and divides an inner cavity of the second flow guide pipe into a second flow guide cavity and a leakage detection cavity, and the first flow guide pipe is inserted into the second flow guide cavity in a sealed mode; the connecting base is in butt joint with the second flow guide cavity, and a first guide base on the side face of the connecting base is inserted into the leakage detection cavity; a third flow guide cavity in the third flow guide pipe is communicated with the second flow guide cavity and is in butt joint with the connecting seat; the linkage mechanism comprises a second guide seat and a plurality of floaters, the floaters are slidably arranged in a movable cavity of the second guide seat, the top ends of the floaters are inserted into an inner cavity of the first guide seat, the inner cavity of the first guide seat is communicated with the leak detection cavity, and a touch switch is arranged in the inner cavity of the first guide seat and / or the movable cavity. The problems that a dust collection air duct structure of an existing dust collector base station lacks corresponding butt joint position leakage detection design, dirt discharged by a dust collector enters the base station from an air leakage position, the base station is polluted, and the follow-up use risk is affected can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of vacuum cleaner base stations, in particular to a curved dust collecting air duct structure of a vacuum cleaner base station. Background Art

[0002] Vacuum cleaner base stations are generally used for placing and charging vacuum cleaners, as well as for cleaning dust, hair and other dirt in the dust cup without disassembly. In order to facilitate production, transportation, and disassembly and assembly, segmented and modular designs are often used, which requires ensuring the sealing of the joints of the air duct structure. However, the dust collection air duct structure of common vacuum cleaner base stations lacks a corresponding docking leak detection design, so that when in use, if there is insufficient docking sealing, the dirt discharged by the vacuum cleaner will enter the base station through the leak, causing pollution to it and affecting subsequent use. Summary of the invention

[0003] The purpose of the present invention is to provide a curved dust collection duct structure for a vacuum cleaner base station in order to solve the problem that the dust collection duct structure of the existing vacuum cleaner base station lacks a corresponding leak detection design at the docking point, and there is a risk that the dirt discharged by the vacuum cleaner enters the interior of the base station through the leak, causing contamination and affecting subsequent use.

[0004] In order to achieve the above object, the present invention adopts the following technical solution: a curved dust collecting air duct structure of a vacuum cleaner base station, comprising:

[0005] A first flow guide pipe, one end of which is provided with a vacuum cleaner docking port, the vacuum cleaner docking port being connected to the first flow guide cavity;

[0006] A second flow guide tube, in which a partition is arranged, the partition divides the inner cavity of the second flow guide tube into a second flow guide cavity and a leak detection cavity, and the other end of the first flow guide tube is sealed and inserted in the second flow guide cavity;

[0007] A connecting seat, the top edge of which is clamped in the second flow guiding cavity, and the first guide seat on the side thereof is inserted in the leak detection cavity;

[0008] A third flow guide tube, wherein the third flow guide cavity therein is connected to the second flow guide cavity, the top sealing groove of the third flow guide tube is sleeved on the sealing bottom edge of the connecting seat, a sealing ring is arranged between the sealing groove and the sealing bottom edge, and the bottom of the third flow guide tube is connected to the dust collection bin of the base station;

[0009] The linkage mechanism includes a second guide seat and a plurality of floats. The second guide seat is positioned on the side of the third guide tube. The float is slidably arranged in the movable cavity of the second guide seat, and its top end is inserted in the inner cavity of the first guide seat. The inner cavity of the first guide seat is connected to the leak detection cavity. A touch switch is arranged in the inner cavity of the first guide seat and / or the movable cavity.

[0010] As a further description of the above technical solution:

[0011] The partition is a U-shaped structure protruding toward the second guide cavity.

[0012] As a further description of the above technical solution:

[0013] A positioning hole is provided on the side of the second guide pipe, and a locking block is elastically provided at the notch on the side of the connecting seat through an extension block, and the locking block is inserted and positioned on the positioning hole.

[0014] As a further description of the above technical solution:

[0015] The first guide seat is spliced ​​at the notch at the end of the second flow guide tube, the sealing seat thereon is spliced ​​at the end of the leak detection cavity, and the top of the float is plugged into the inner cavity of the connecting plug-in.

[0016] As a further description of the above technical solution:

[0017] The third flow guide pipe includes a first pipe and a second pipe. The second pipe with a semicircular arc cross section is assembled at the notch of the first pipe and fixed by a lock buckle at the edge.

[0018] As a further description of the above technical solution:

[0019] An extension tube is arranged at the bottom of the first tube, and a reinforcement ring is sleeved on the bottom edge of the extension tube and the second tube. An arc-shaped stopper for positioning the reinforcement ring is arranged on the first tube and the second tube.

[0020] As a further description of the above technical solution:

[0021] The movable cavity is an inverted T-shaped structure that passes through the top edge of the third guide pipe. A limiting guide block for sliding limiting extends from the side of the float. The movable cavity is provided with a limiting inner rib at the bottom of the limiting guide block.

[0022] As a further description of the above technical solution:

[0023] A positioning seat is arranged outside the second guide seat, and the side surface of the positioning seat is fixed on the second guide seat through a lock, and a wavy guide seat corresponding to a plurality of the limiting guide blocks and used for sliding guidance is arranged inside the positioning seat.

[0024] In summary, due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0025] 1. The air duct structure of the vacuum cleaner base station of the present invention can be used for leak detection at the joint of the internal dust collecting pipe. When in use, when there is air leakage at the joint of the first guide pipe and the second guide pipe, a negative pressure is formed on the top of the leak detection chamber relative to the active chamber, so that the float is lifted up, thereby triggering the touch switch, so that the vacuum cleaner base station is warned, and the internal motor is turned off, and the cleaning and collection of dust and hair in the dust cup of the vacuum cleaner is stopped. When there is air leakage between the connecting seat and the third guide pipe, a negative pressure is formed on the top of the second guide seat relative to the active chamber. Similarly, the linkage of the vacuum cleaner base station is realized, thereby ensuring the sealed docking of the dust collecting air duct structure in the vacuum cleaner base station, and preventing the dirt discharged by the vacuum cleaner from polluting the inside of the base station.

[0026] 2. The guide pipe in the dust collection duct structure adopts a curved design to improve the efficiency of guide and dust collection, and with the laterally detachable design, when in use, align the second pipe fitting with the notch of the first pipe fitting, assemble the two laterally, and position them through the lock. At this time, the bottom edge of the second pipe fitting is assembled with the top of the extension pipe, and then the reinforcement ring is put on the extension pipe and slid to the top, and is abutted by the arc-shaped block to achieve secondary positioning. This design is mainly used for internal cleaning of the curved duct structure. After disassembly, the guide cavity is opened laterally, which is convenient for direct cleaning and ensures the neatness of the duct structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 The figure is a schematic diagram of the structure of a curved dust collecting air duct structure of a vacuum cleaner base station.

[0029] Figure 2 The present invention is a structural schematic diagram of a first air guide pipe in a curved dust collecting air duct structure of a vacuum cleaner base station.

[0030] Figure 3 The present invention is a structural schematic diagram of a second air guide pipe in a curved dust collecting air duct structure of a vacuum cleaner base station.

[0031] Figure 4 The exploded view is of a connecting seat and a third air guide pipe in a curved dust collecting air duct structure of a vacuum cleaner base station.

[0032] Figure 5 The present invention is a structural schematic diagram of a connecting seat in a curved dust collecting air duct structure of a vacuum cleaner base station.

[0033] Figure 6 The diagram is a partial exploded view of the third air guide pipe and the linkage mechanism in the curved dust collecting air duct structure of a vacuum cleaner base station.

[0034] Figure 7 The present invention is a structural schematic diagram of a positioning seat in a curved dust collecting air duct structure of a vacuum cleaner base station.

[0035] Figure 8 The present invention is a cross-sectional view of a curved dust collecting air duct structure of a vacuum cleaner base station in use state.

[0036] Fig. 9 for Figure 8 Enlarged view of point A in the middle.

[0037] Legend:

[0038] 1. First flow guide tube; 11. Vacuum cleaner docking port; 12. First flow guide cavity; 2. Second flow guide tube; 21. Partition plate; 22. Second flow guide cavity; 23. Leak detection cavity; 24. Positioning hole; 3. Connecting seat; 31. Sealing bottom edge; 32. Locking block; 33. First guide seat; 34. Sealing seat; 35. Connecting plug-in; 4. Third flow guide tube; 40. Third flow guide cavity; 41. Sealing groove; 42. Sealing ring; 43. First pipe fitting; 44. Second pipe fitting; 45. Extension tube; 46. Reinforcement ring; 47. Arc stopper; 5. Linkage mechanism; 51. Second guide seat; 52. Movable cavity; 53. Float; 54. Limiting guide block; 55. Positioning seat; 56. Wave-shaped guide seat; 57. Limiting inner rib. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] It should be noted that similar reference numerals and letters refer to similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in the subsequent drawings.

[0042] In the description of the embodiments of the present invention, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the inventive product is usually placed when in use. 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, and therefore should not be understood as a limitation on the present invention.

[0043] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] Embodiment 1:

[0045] See also Figure 1-9 The present invention provides a technical solution: a curved dust collecting air duct structure of a vacuum cleaner base station, comprising:

[0046] A first flow guide pipe 1, one end of which is provided with a vacuum cleaner docking port 11, and the vacuum cleaner docking port 11 is connected to a first flow guide cavity 12;

[0047] A second flow guide tube 2, in which a partition 21 is arranged, the partition 21 divides the inner cavity of the second flow guide tube 2 into a second flow guide cavity 22 and a leak detection cavity 23, and the other end of the first flow guide tube 1 is sealed and plugged into the second flow guide cavity 22;

[0048] The connecting seat 3 has a top edge that is snap-fitted into the second flow guiding cavity 22, and a first guide seat 33 on the side thereof is inserted into the leak detection cavity 23;

[0049] A third flow guide tube 4, wherein the third flow guide cavity 40 is connected to the second flow guide cavity 22, and the top sealing groove 41 is sleeved on the sealing bottom edge 31 of the connecting seat 3, and a sealing ring 42 is arranged between the sealing groove 41 and the sealing bottom edge 31, and the bottom of the third flow guide tube 4 is connected to the dust collection bin of the base station;

[0050] The linkage mechanism 5 includes a second guide seat 51 and a plurality of floats 53. The second guide seat 51 is positioned on the side of the third guide tube 4. The float 53 is slidably arranged in the movable cavity 52 of the second guide seat 51, and its top end is inserted into the inner cavity of the first guide seat 33. The inner cavity of the first guide seat 33 is connected to the leak detection cavity 23. A touch switch is arranged in the inner cavity of the first guide seat 33 and / or the movable cavity 52.

[0051] The air duct structure of the vacuum cleaner base station of the present invention can be used for leak detection at the joint of the internal dust collecting pipe. During use, when there is air leakage at the joint of the first guide pipe and the second guide pipe, a negative pressure is formed on the top of the leak detection chamber relative to the active chamber, so that the float is lifted up, thereby triggering the touch switch, so that the vacuum cleaner base station is warned, and the internal motor is turned off to stop the cleaning and collection of dust and hair in the dust cup of the vacuum cleaner. When there is air leakage between the connecting seat and the third guide pipe, a negative pressure is formed on the top of the second guide seat relative to the active chamber. Similarly, the linkage of the vacuum cleaner base station is realized, thereby ensuring the sealed docking of the dust collecting air duct structure in the vacuum cleaner base station and preventing the dirt discharged by the vacuum cleaner from polluting the interior of the base station.

[0052] A positioning hole 24 is provided on the side of the second flow guide tube 2, and a locking block 32 is elastically provided at the notch on the side of the connecting seat 3 through an extension block, and the locking block 32 is inserted and positioned on the positioning hole 24. The second flow guide tube 2 and the connecting seat 3 are axially inserted and radially locked, and the circumferential sliding insertion design of the float 53 and the first guide seat 33 can improve the positioning and sealing strength of the second flow guide tube 2 and the connecting seat 3.

[0053] The first guide seat 33 is assembled at the notch at the end of the second flow guide tube 2, the sealing seat 34 thereon is assembled at the end of the leak detection cavity 23, and the top of the float 53 is inserted into the inner cavity of the connecting plug 35. During assembly, the top edge of the connecting seat 3 is aligned with the second flow guide cavity 22, the first guide seat 33 is aligned with the bottom notch of the second flow guide tube 2 and the leak detection cavity 23, and the second flow guide tube 2 is inserted into the connecting seat 3. During this period, the locking block 32 is compressed, the extension block is retracted, and the locking block 32 slides along the side wall of the second flow guide cavity 22 until it moves to the positioning hole 24, and the locking block 32 is inserted and positioned with the side thereof, and the structure is locked.

[0054] The movable cavity 52 is an inverted T-shaped structure that passes through the top edge of the third guide tube 4 . A limiting guide block 54 for sliding limiting extends from the side of the float 53 . The movable cavity 52 is provided with a limiting inner rib 57 at the bottom of the limiting guide block 54 .

[0055] A positioning seat 55 is arranged on the outer side of the second guide seat 51, and the side of the positioning seat 55 is fixed to the second guide seat 51 by a lock. A wavy guide seat 56 corresponding to the plurality of limit guide blocks 54 and used for sliding guidance is arranged on the inner side thereof. The float 53 is guided in multiple places by connecting the plug-in 35, the movable cavity 52 and the wavy guide seat 56, so as to improve the stability of the linkage sliding under the pressure difference and wind force on both sides.

[0056] The working principle of the curved dust collecting air duct structure of a vacuum cleaner base station of this embodiment includes: Figure 8 , 9As shown, the solid arrows represent the main movement paths of airflow and dust when the air duct structure is in use, and the dotted arrows represent the additional airflow when the air duct structure is in a leaking state. When in use, when there is air leakage at the joint of the first guide tube 1 and the second guide tube 2, that is, when the first guide cavity 12 and the second guide cavity 22 are not sealed and connected, the two will be connected with the leak detection cavity 22, so that a negative pressure is formed at the top thereof relative to the active cavity 52, so that the upward thrust formed by the pressure difference acting on the top of the float 53 and the inside of the active cavity 52 and the bottom of the limiting guide block 54 will lift the float 53, thereby triggering the touch switch, so that the vacuum cleaner base station is warned, and the internal motor is turned off to stop the cleaning and collection of dust and hair in the dust cup of the vacuum cleaner; and when there is air leakage between the connecting seat 3 and the third guide tube 4, a negative pressure is formed at the top of the second guide seat 51 relative to the active cavity 52, and the air pressure difference acting on the upper and lower end surfaces of the limiting guide block 54 forms an upward thrust on the float 54. In the same way, the linkage of the vacuum cleaner base station is realized, thereby ensuring the sealed connection of the dust collecting air duct structure in the vacuum cleaner base station, and preventing the dirt discharged by the vacuum cleaner from polluting the inside of the base station.

[0057] Embodiment 2:

[0058] On the basis of the above-mentioned embodiment 1, preferably, the partition plate 21 is a U-shaped structure protruding toward the second flow guiding cavity 22. This design can cooperate with the first guide seat 33 to improve the assembly strength of the connecting seat 3 and the second flow guiding pipe 2.

[0059] Embodiment three:

[0060] On the basis of the above-mentioned embodiment 1, preferably, the third flow guide pipe 4 includes a first pipe member 43 and a second pipe member 44, and the second pipe member 44 with a semicircular arc cross section is assembled at the notch of the first pipe member 43 and fixed by a lock buckle at the edge.

[0061] An extension tube 45 is disposed at the bottom of the first tube 43 , and a reinforcement ring 46 is sleeved on the bottom edges of the extension tube 45 and the second tube 44 . An arc-shaped stopper 47 for positioning the reinforcement ring 46 is disposed on the first tube 43 and the second tube 44 .

[0062] In this embodiment, the detachable design of the third curved air guide tube 4 is mainly used. When the first air guide tube 1 and the second air guide tube 2 also adopt a curved structure design, this design can also be used. The assembly process is as follows: align the second pipe 44 with the notch of the first pipe 43, assemble the two laterally, and position them by locking. At this time, the bottom edge of the second pipe 44 is assembled with the top of the extension tube 45, and then the reinforcement ring 46 is put on the extension tube 45 and slides to the top, and is abutted by the arc-shaped stopper 47 to achieve secondary positioning. This design is mainly used for internal cleaning of the curved air duct structure. After disassembly, the air guide cavity is opened laterally, which is convenient for direct cleaning and ensures the neatness of the air duct structure.

[0063] In summary, due to the adoption of the above technical solution, the curved dust collection duct structure of a vacuum cleaner base station in this embodiment has the following beneficial effects compared with the prior art:

[0064] 1. The air duct structure of the vacuum cleaner base station of the present invention can be used for leak detection at the joint of the internal dust collecting pipe. When in use, when there is air leakage at the joint of the first guide pipe and the second guide pipe, a negative pressure is formed on the top of the leak detection chamber relative to the active chamber, so that the float is lifted up, thereby triggering the touch switch, so that the vacuum cleaner base station is warned, and the internal motor is turned off, and the cleaning and collection of dust and hair in the dust cup of the vacuum cleaner is stopped. When there is air leakage between the connecting seat and the third guide pipe, a negative pressure is formed on the top of the second guide seat relative to the active chamber. Similarly, the linkage of the vacuum cleaner base station is realized, thereby ensuring the sealed docking of the dust collecting air duct structure in the vacuum cleaner base station, and preventing the dirt discharged by the vacuum cleaner from polluting the inside of the base station.

[0065] 2. The guide pipe in the dust collection duct structure adopts a curved design to improve the efficiency of guide and dust collection, and with the laterally detachable design, when in use, align the second pipe fitting with the notch of the first pipe fitting, assemble the two laterally, and position them through the lock. At this time, the bottom edge of the second pipe fitting is assembled with the top of the extension pipe, and then the reinforcement ring is put on the extension pipe and slid to the top, and is abutted by the arc-shaped block to achieve secondary positioning. This design is mainly used for internal cleaning of the curved duct structure. After disassembly, the guide cavity is opened laterally, which is convenient for direct cleaning and ensures the neatness of the duct structure.

[0066] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A curved dust collecting air duct structure of a vacuum cleaner base station, characterized in that: include: A first flow guide pipe, one end of which is provided with a vacuum cleaner docking port, the vacuum cleaner docking port being connected to the first flow guide cavity; A second flow guide tube, in which a partition is arranged, the partition divides the inner cavity of the second flow guide tube into a second flow guide cavity and a leak detection cavity, and the other end of the first flow guide tube is sealed and inserted in the second flow guide cavity; A connecting seat, the top edge of which is clamped in the second flow guiding cavity, and the first guide seat on the side thereof is inserted in the leak detection cavity; A third flow guide tube, wherein the third flow guide cavity therein is connected to the second flow guide cavity, the top sealing groove of the third flow guide tube is sleeved on the sealing bottom edge of the connecting seat, a sealing ring is arranged between the sealing groove and the sealing bottom edge, and the bottom of the third flow guide tube is connected to the dust collection bin of the base station; The linkage mechanism includes a second guide seat and a plurality of floats. The second guide seat is positioned on the side of the third guide tube. The float is slidably arranged in the movable cavity of the second guide seat, and its top end is inserted in the inner cavity of the first guide seat. The inner cavity of the first guide seat is connected to the leak detection cavity. A touch switch is arranged in the inner cavity of the first guide seat and / or the movable cavity.

2. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 1, characterized in that: The partition is a U-shaped structure protruding toward the second guide cavity.

3. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 1, characterized in that: A positioning hole is provided on the side of the second guide pipe, and a locking block is elastically provided at the notch on the side of the connecting seat through an extension block, and the locking block is inserted and positioned on the positioning hole.

4. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 1, characterized in that: The first guide seat is spliced ​​at the notch at the end of the second flow guide tube, the sealing seat thereon is spliced ​​at the end of the leak detection cavity, and the top of the float is plugged into the inner cavity of the connecting plug-in.

5. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 1, characterized in that: The third flow guide pipe includes a first pipe and a second pipe. The second pipe with a semicircular arc cross section is assembled at the notch of the first pipe and fixed by a lock buckle at the edge.

6. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 5, characterized in that: An extension tube is arranged at the bottom of the first tube, and a reinforcement ring is sleeved on the bottom edge of the extension tube and the second tube. An arc-shaped stopper for positioning the reinforcement ring is arranged on the first tube and the second tube.

7. The curved dust collecting air duct structure of a vacuum cleaner base station according to claim 1, characterized in that: The movable cavity is an inverted T-shaped structure that passes through the top edge of the third guide pipe. A limiting guide block for sliding limiting extends from the side of the float. The movable cavity is provided with a limiting inner rib at the bottom of the limiting guide block.

8. The curved dust collecting air duct structure of the vacuum cleaner base station according to claim 7, characterized in that: A positioning seat is arranged outside the second guide seat, and the side surface of the positioning seat is fixed on the second guide seat through a lock, and a wavy guide seat corresponding to a plurality of the limiting guide blocks and used for sliding guidance is arranged inside the positioning seat.

Images