Dust filter for vacuum cleaner

Abstract

The invention belongs to the technical field of dust collector equipment, and particularly relates to a dust filter for a vacuum dust collector, the dust filter comprises a mounting rack and a filter element, the mounting rack is of an annular structure, the upper end face of the mounting rack is fixedly connected with a supporting frame, and the filter element is of a tubular structure; the turbulent flow assembly comprises an annular fixing support fixedly connected to the inner wall of the mounting frame. According to the dust filter, dust-containing air can be intensively accumulated in the filter element, the flowing state of the dust-containing air is prevented from being excessively dispersed, the dust-containing air absorbing and filtering rate of the dust filter is increased, meanwhile, the dust-containing air can be actively driven to make contact with the filter element in an accelerated mode, and the dust-containing air filtering rate of the filter element is increased; the overall working efficiency of the vacuum dust collector can be improved, the mounting frame and the filter element can be quickly mounted and dismounted, and the maintenance and cleaning working efficiency and convenience of the filter element can be improved.

Description

Technical Field

[0001] The invention belongs to the technical field of vacuum cleaner equipment, and in particular relates to a dust filter for a vacuum cleaner. Background Art

[0002] A vacuum cleaner is a cleaning appliance that can use the strong suction it generates to suck away dusty air or debris from areas such as the ground and the surface of objects and furniture. Its working principle is to use a motor to drive the fan to rotate at high speed to form a local low-pressure area inside the vacuum cleaner and generate suction. That is, once suction is generated, the dust collection and cleaning function can be achieved. The dust filter used in the vacuum cleaner is an important component installed inside the vacuum cleaner. It can use physical interception, electrostatic adsorption and other functions to filter the inhaled dusty air to maintain the high-performance operation of the vacuum cleaner.

[0003] However, existing dust filters for vacuum cleaners often have the following problems when used:

[0004] 1. During the operation of the vacuum cleaner, the flow state of the inhaled dust-laden air entering the dust filter inside is not concentrated enough, which makes the dust filter filter the dust-laden air at a slow rate, affecting the overall working efficiency of the vacuum cleaner;

[0005] 2. In addition, the installation and disassembly of the filter element components in the dust filter for the vacuum cleaner are relatively complicated, and it is difficult to quickly complete the disassembly of the filter element components, making the maintenance and cleaning of the filter element components relatively inconvenient. Summary of the invention

[0006] The purpose of the present invention is to provide a dust filter for a vacuum cleaner that improves the overall working efficiency of the vacuum cleaner and improves the efficiency and convenience of maintaining and cleaning the filter element components, in order to address the problems of low overall working efficiency of the above-mentioned vacuum cleaner and inconvenient maintenance and cleaning of the filter element components in the dust filter.

[0007] To achieve the above object, the present invention adopts the following technical solutions: a dust filter for a vacuum cleaner, comprising a mounting frame and a filter element, wherein the mounting frame is arranged in an annular structure, a support frame is fixedly connected to the upper end surface of the mounting frame, and the filter element is arranged in a tubular structure;

[0008] A spoiler assembly, the spoiler assembly includes an annular fixed bracket fixedly connected to the inner wall of the mounting frame, a rotating motor is fixedly connected to the middle of the annular fixed bracket, a rotating frame is fixedly connected to the inner side of the supporting frame, a No. 1 rotating shaft is rotatably connected to the middle of the rotating frame, the lower end of the No. 1 rotating shaft is fixedly connected to the output end of the rotating motor through a coupling, the upper end of the No. 1 rotating shaft is fixedly connected to a fixed bottom plate, the upper end surface of the fixed bottom plate is fixedly connected to a spoiler rod, and the spoiler rod is a linearly variable spiral structure;

[0009] An accelerating filter assembly, which is fixedly connected to the inner side of the supporting frame and is used to actively drive the air to accelerate contact with the filter element;

[0010] A quick disassembly assembly is fixedly connected to the lower end surface of the mounting frame and is used to realize quick installation and disassembly of the mounting frame and the filter element.

[0011] Preferably, the acceleration filtering assembly includes a plurality of rotating side plates fixedly connected to the inner side of the supporting frame, a plurality of the rotating side plates are rotatably connected to a worm gear, a plurality of concave brackets are fixedly connected to the inner side of the supporting frame, a plurality of the concave brackets are rotatably connected to a No. 2 rotating shaft, a worm wheel is fixedly connected to the middle of the No. 2 rotating shaft, the worm wheel and the worm gear are meshed with each other, and a plurality of flow-displacing blades are fixedly connected to both ends of the No. 2 rotating shaft.

[0012] Preferably, the acceleration filter assembly further comprises a central gear ring fixedly connected to the outer peripheral wall of the output end of the rotating motor, and transmission gears are fixedly connected to the lower positions of the outer walls of several worms, and the several transmission gears are meshed with the central gear ring.

[0013] Preferably, the quick disassembly and assembly assembly includes a mounting cover plate fixedly connected to the lower end surface of the mounting frame, the lower end surface of the mounting cover plate is fixedly connected to two limit sliding frames, the inner sides of the two limit sliding frames are slidably connected to plug-in brackets, the ends of the plug-in brackets are fixedly connected to arc plates, the arc plates are fixedly connected to plug-in shafts, the upper end surface of the mounting frame is fixedly connected to a No. 1 mounting plate, the lower end surface of the filter element is fixedly connected to a No. 2 mounting plate, the No. 1 mounting plate and the No. 2 mounting plate are both arranged in an annular structure, and the side walls of the No. 1 mounting plate and the No. 2 mounting plate are opened with mounting plug holes, and the plug shaft matches the mounting plug holes.

[0014] Preferably, the quick disassembly and assembly assembly also includes a balancing fixing frame fixedly connected to the inner wall of the mounting frame, a low-speed motor is fixedly connected to the balancing fixing frame, an output end of the low-speed motor passes through the mounting cover plate and is fixedly connected to a driving gear, and the end of the plug-in bracket is fixedly connected to a rack rod, and the driving gear and the rack rod are meshed with each other.

[0015] Preferably, the rotating frame and the concave bracket are both provided with through holes, and the worm gear matches the through holes.

[0016] Preferably, an anti-wear silicone pad is fixedly connected to the outer peripheral wall of the plug-in shaft.

[0017] Preferably, a supporting bottom block is fixedly connected to the lower end surface of the mounting cover plate, and the supporting bottom block is arranged in an arc-shaped structure.

[0018] Compared with the prior art, the advantages of the dust filter for vacuum cleaners are:

[0019] 1. The present invention provides a spoiler assembly, which drives the No. 1 rotating shaft to rotate by a rotating motor, so that the No. 1 rotating shaft drives the spoiler rod on the fixed bottom plate and its upper end surface to rotate. Since the spoiler rod has a linear spiral structure, the dust-containing air entering the filter element can be disturbed, so that the dust-containing air can be concentratedly accumulated inside the filter element, avoiding the flow state of the dust-containing air from being too dispersed, and improving the dust filter's absorption and filtration rate of the dust-containing air.

[0020] 2. The present invention provides an accelerated filtering component. After the dust-containing air enters the interior of the filter element, it can drive a number of No. 2 rotating shafts to rotate synchronously, so that the drive blades at the ends of the No. 2 rotating shafts start to rotate, and a number of counterclockwise rotating drive blades are used to push the dust-containing air to speed up the flow of the dust-containing air close to the inner wall of the filter element, thereby actively driving the dust-containing air to accelerate contact with the filter element, thereby improving the filter element's filtration rate of the dust-containing air, which is beneficial to improving the overall working efficiency of the vacuum cleaner.

[0021] 3. The present invention provides a quick disassembly and assembly component. When the filter element is installed and used, the plug-in bracket is driven to move relative to the limit sliding frame, so that the plug-in bracket moves to the center position of the installation cover plate, and the plug-in shaft is sequentially connected to and passes through the installation plug-in holes on the No. 1 installation plate and the No. 2 installation plate, so as to quickly fix and connect the mounting frame and the filter element. When the filter element is disassembled and used, the mounting frame and the filter element can be separated by driving the plug-in bracket to move in the opposite direction and reset, thereby realizing the rapid installation and disassembly of the mounting frame and the filter element, which is beneficial to improving the efficiency and convenience of the maintenance and cleaning of the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a dust filter for a vacuum cleaner provided by the present invention from one viewing angle.

[0023] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of a dust filter for a vacuum cleaner provided by the present invention from another perspective.

[0024] Figure 3 The present invention is a schematic diagram of the internal structure of a dust filter for a vacuum cleaner.

[0025] Figure 4 The present invention is a cross-sectional view of a mounting frame and a supporting frame structure of a dust filter for a vacuum cleaner provided by the present invention.

[0026] Figure 5 It is a schematic diagram of the partial structure of an accelerating filtering component in a dust filter for a vacuum cleaner provided by the present invention.

[0027] Figure 6 The present invention is a schematic diagram of the structure of a filter element in a dust filter for a vacuum cleaner.

[0028] Figure 7 The present invention is a schematic diagram of a mounting frame structure of a dust filter for a vacuum cleaner provided by the present invention.

[0029] Figure 8 The present invention is a schematic diagram of a quick disassembly and assembly component part of a dust filter for a vacuum cleaner provided by the present invention.

[0030] In the figure: 1 mounting frame, 2 filter element, 3 supporting frame, 4 annular fixed bracket, 5 rotating motor, 6 rotating frame, 7 No. 1 rotating shaft, 8 fixed bottom plate, 9 spoiler rod, 10 rotating side plate, 11 worm, 12 concave bracket, 13 No. 2 rotating shaft, 14 worm wheel, 15 flow driving blade, 16 center gear ring, 17 transmission gear, 18 mounting cover plate, 19 limiting sliding frame, 20 plug-in bracket, 21 arc plate, 22 plug-in shaft, 23 No. 1 mounting plate, 24 No. 2 mounting plate, 25 mounting plug-in hole, 26 balancing fixed frame, 27 low-speed motor, 28 driving gear, 29 rack rod, 30 supporting bottom block. DETAILED DESCRIPTION

[0031] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0032] like Figure 1-Figure 8 As shown, a dust filter for a vacuum cleaner comprises a mounting frame 1, a filter element 2, a spoiler assembly, an accelerated filtering assembly and a quick disassembly assembly, wherein the mounting frame 1 is arranged in an annular structure, the upper end surface of the mounting frame 1 is fixedly connected to a supporting frame 3, and the filter element 2 is arranged in a tubular structure; the spoiler assembly comprises an annular fixed bracket 4 fixedly connected to the inner wall of the mounting frame 1, a rotating motor 5 is fixedly connected to the middle part of the annular fixed bracket 4, a rotating frame 6 is fixedly connected to the inner side of the supporting frame 3, a rotating shaft 7 is rotatably connected to the middle part of the rotating frame 6, the lower end of the rotating shaft 7 is fixedly connected to the output end of the rotating motor 5 through a coupling, the upper end of the rotating shaft 7 is fixedly connected to a fixed bottom plate 8, the upper end surface of the fixed bottom plate 8 is fixedly connected to a spoiler rod 9, and the spoiler rod 9 is a linearly changing spiral structure;

[0033] The No. 1 rotating shaft 7 is driven to rotate by the rotating motor 5, so that the No. 1 rotating shaft 7 can drive the fixed bottom plate 8 and the spoiler rod 9 on the upper end surface to rotate. Since the spoiler rod 9 is a linear spiral structure, the rotating spoiler rod 9 can be used to disturb the dust-containing air entering the filter element 2, so that the dust-containing air can be concentratedly accumulated in the filter element 2, thereby avoiding the flow state of the dust-containing air being too dispersed, and improving the dust filter's absorption and filtration rate of the dust-containing air.

[0034] like Figure 1 , Figure 3-Figure 5 and Figure 7 As shown, the acceleration filter assembly is fixedly connected to the inner side of the support frame 3, and is used for actively driving the air to accelerate the contact with the filter element 2. The acceleration filter assembly includes a plurality of rotating side plates 10 fixedly connected to the inner side of the support frame 3, and a worm 11 is rotatably connected to the plurality of rotating side plates 10. A plurality of concave brackets 12 are fixedly connected to the inner side of the support frame 3. Through holes are provided on the rotating frame 6 and the concave brackets 12, and the worm 11 matches the through holes. A second rotating shaft 13 is rotatably connected to the plurality of concave brackets 12, and a worm gear 14 is fixedly connected to the middle of the second rotating shaft 13. The worm gear 14 and the worm 11 are meshed with each other, and a plurality of flow-displacing blades 15 are fixedly connected to both ends of the second rotating shaft 13. The acceleration filter assembly also includes a central toothed ring 16 fixedly connected to the outer peripheral wall of the output end of the rotating motor 5, and a plurality of transmission gears 17 are fixedly connected to the lower position of the outer wall of the plurality of worms 11, and the plurality of transmission gears 17 are meshed with the central toothed ring 16.

[0035] During the operation of the rotating motor 5, the center gear ring 16 can be driven to rotate, and the meshing transmission of several transmission gears 17 and the center gear ring 16 can be used to drive several worms 11 to rotate, and the meshing transmission of the worm 11 and the worm wheel 14 can be used to drive the second rotating shaft 13 to rotate, so that the several second rotating shafts 13 and the flow-displacing blades 15 at their ends can be driven to start rotating synchronously, and the several flow-displacing blades 15 rotating counterclockwise are used to push the dust-containing air to speed up the flow speed of the dust-containing air close to the inner wall of the filter element 2, so as to actively drive the dust-containing air to accelerate the contact with the filter element 2, so as to improve the filtration rate of the filter element 2 for the dust-containing air, which is beneficial to improving the overall working efficiency of the vacuum cleaner.

[0036] like Figure 1-Figure 4 , Figure 6 and Figure 8As shown, the quick disassembly assembly is fixedly connected to the lower end surface of the mounting frame 1, and is used to realize the quick installation and removal of the mounting frame 1 and the filter element 2. The quick disassembly assembly includes a mounting cover 18 fixedly connected to the lower end surface of the mounting frame 1, and the lower end surface of the mounting cover 18 is fixedly connected to a supporting bottom block 30, and the supporting bottom block 30 is arranged in an arc-shaped structure. The lower end surface of the mounting cover 18 is fixedly connected to two limiting sliding frames 19, and the inner sides of the two limiting sliding frames 19 are both slidably connected to plug-in brackets 20, and the end of the plug-in bracket 20 is fixedly connected to an arc plate 21, and a plug-in shaft 22 is fixedly connected to the arc plate 21, and an anti-wear silicone pad is fixedly connected to the outer peripheral wall of the plug-in shaft 22. The upper end surface of the mounting frame 1 is fixed A No. 1 mounting plate 23 is connected, and a No. 2 mounting plate 24 is fixedly connected to the lower end surface of the filter element 2. The No. 1 mounting plate 23 and the No. 2 mounting plate 24 are both arranged in an annular structure, and the side walls of the No. 1 mounting plate 23 and the No. 2 mounting plate 24 are provided with mounting plug holes 25, and the plug shaft 22 matches the mounting plug holes 25. The quick disassembly and assembly assembly also includes a balancing fixing frame 26 fixedly connected to the inner wall of the mounting frame 1, and a low-speed motor 27 is fixedly connected to the balancing fixing frame 26. The output end of the low-speed motor 27 passes through the mounting cover plate 18 and is fixedly connected to a driving gear 28. A rack rod 29 is fixedly connected to the end of the plug-in bracket 20, and the driving gear 28 and the rack rod 29 are meshed with each other;

[0037] When the filter element 2 is installed and used, the low-speed motor 27 can be controlled to start to drive the driving gear 28 to start rotating, and the meshing transmission of the driving gear 28 and the rack rod 29 is used to drive the plug-in bracket 20 to move relative to the limit slide frame 19, so that the plug-in bracket 20 starts to move toward the center position of the installation cover 18, and drives the arc plate 21 and the plug-in shaft 22 to move, so that the plug-in shaft 22 can be connected to and pass through the No. 1 mounting plate 23 and the No. 2 mounting plate 24 in turn, so as to quickly fix and connect the mounting frame 1 and the filter element 2. When the filter element 2 is disassembled and used, the plug-in bracket 20 is driven in the reverse direction to move, so that the plug-in bracket 20 moves away from the center position of the installation cover 18, and then the plug-in shaft 22 is no longer plugged and fixed to the No. 1 mounting plate 23 and the No. 2 mounting plate 24, so that the mounting frame 1 and the filter element 2 can be separated, thereby realizing the rapid installation and disassembly of the mounting frame 1 and the filter element 2, which is beneficial to improving the efficiency and convenience of the maintenance and cleaning of the filter element 2.

[0038] The working principle of the present invention is as follows:

[0039] 1. When in use, the vacuum cleaner can suck dust-laden air into the filter element 2 during operation. At this time, the rotating motor 5 can be controlled to start, and the rotating motor 5 can be used to drive the first rotating shaft 7 to rotate, so that the first rotating shaft 7 can drive the fixed bottom plate 8 and the spoiler rod 9 on the upper end surface to rotate. Since the spoiler rod 9 is a linear spiral structure, the rotating spoiler rod 9 can be used to turbulently flow the dust-laden air entering the filter element 2, so that the dust-laden air can be concentratedly accumulated in the filter element 2, thereby avoiding the excessive dispersion of the flow state of the dust-laden air and improving the dust filter's absorption and filtering rate of the dust-laden air;

[0040] 2. During the operation of the rotary motor 5, the central gear ring 16 can be driven to rotate, and the meshing transmission of the plurality of transmission gears 17 and the central gear ring 16 can be used to drive the plurality of worms 11 to rotate, and the meshing transmission of the worm 11 and the worm wheel 14 can be used to drive the second rotating shaft 13 to rotate, so that the plurality of second rotating shafts 13 and the flow-displacing blades 15 at their ends can be driven to start rotating synchronously. It should be noted that the rotation direction of the second rotating shaft 13 is counterclockwise, and the plurality of flow-displacing blades 15 rotating counterclockwise can be used to push the dust-laden air to speed up the flow speed of the dust-laden air close to the inner wall of the filter element 2, so that the dust-laden air can be actively driven to accelerate the contact with the filter element 2, so as to improve the filtering rate of the dust-laden air by the filter element 2, which is beneficial to improving the overall working efficiency of the vacuum cleaner;

[0041] 3. If the filter element 2 needs to be maintained, cleaned or replaced, when the filter element 2 is installed and used, the low-speed motor 27 can be controlled to start, so as to drive the driving gear 28 to start rotating, and the meshing transmission of the driving gear 28 and the rack rod 29 is used to drive the plug-in bracket 20 to move relative to the limit slide frame 19, so that the plug-in bracket 20 starts to move toward the center position of the installation cover 18, and drives the arc plate 21 and the plug-in shaft 22 to move, so that the plug-in shaft 22 can be connected to and pass through the No. 1 installation plate 23 and the No. 2 installation plate in turn. Plate 24 is used to quickly fix and connect the mounting frame 1 and the filter element 2. When the filter element 2 is removed for use, the plug-in bracket 20 is driven in reverse to move, so that the plug-in bracket 20 moves away from the center position of the mounting cover 18, so that the plug-in shaft 22 is no longer plugged and fixed to the No. 1 mounting plate 23 and the No. 2 mounting plate 24, so that the mounting frame 1 and the filter element 2 can be separated, thereby realizing the rapid installation and removal of the mounting frame 1 and the filter element 2, which is beneficial to improving the efficiency and convenience of the maintenance and cleaning of the filter element 2.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust filter for a vacuum cleaner, characterized in that: include: A mounting frame (1) and a filter element (2), wherein the mounting frame (1) is arranged in an annular structure, the upper end surface of the mounting frame (1) is fixedly connected to a support frame (3), and the filter element (2) is arranged in a tubular structure; A spoiler assembly, the spoiler assembly comprising an annular fixed bracket (4) fixedly connected to the inner wall of the mounting frame (1), a rotating motor (5) fixedly connected to the middle of the annular fixed bracket (4), a rotating frame (6) fixedly connected to the inner side of the supporting frame (3), a first rotating shaft (7) passing through the middle of the rotating frame (6) for rotation connection, the lower end of the first rotating shaft (7) fixedly connected to the output end of the rotating motor (5) through a coupling, the upper end of the first rotating shaft (7) fixedly connected to a fixed base plate (8), the upper end surface of the fixed base plate (8) fixedly connected to a spoiler rod (9), the spoiler rod (9) being a linearly variable spiral structure; An accelerating filter assembly, the accelerating filter assembly being fixedly connected to the inner side of the supporting frame (3) and used for actively driving the air to accelerate contact with the filter element (2); A quick disassembly assembly component is fixedly connected to the lower end surface of the mounting frame (1) and is used to realize quick installation and disassembly of the mounting frame (1) and the filter element (2).

2. A dust filter for a vacuum cleaner according to claim 1, characterized in that: The accelerating filtering assembly comprises a plurality of rotating side plates (10) fixedly connected to the inner side of a supporting frame (3), a plurality of the rotating side plates (10) being rotatably connected to a worm (11), a plurality of concave brackets (12) being fixedly connected to the inner side of the supporting frame (3), a plurality of the concave brackets (12) being rotatably connected to a second rotating shaft (13), a worm wheel (14) being fixedly connected to the middle of the second rotating shaft (13), the worm wheel (14) being meshed with the worm (11), and a plurality of flow-displacing blades (15) being fixedly connected to both ends of the second rotating shaft (13).

3. A dust filter for a vacuum cleaner according to claim 2, characterized in that: The acceleration filter assembly also includes a central toothed ring (16) fixedly connected to the outer peripheral wall of the output end of the rotating motor (5), and a plurality of transmission gears (17) are fixedly connected to the lower position of the outer wall of the worm (11), and the plurality of transmission gears (17) are meshed with the central toothed ring (16).

4. A dust filter for a vacuum cleaner according to claim 1, characterized in that: The quick disassembly assembly comprises a mounting cover plate (18) fixedly connected to the lower end surface of the mounting frame (1); the lower end surface of the mounting cover plate (18) is fixedly connected to two limit sliding frames (19); the inner sides of the two limit sliding frames (19) are slidably connected to plug-in brackets (20); the ends of the plug-in brackets (20) are fixedly connected to an arc plate (21); the arc plate (21) is fixedly connected to a plug-in shaft (22); the upper end surface of the mounting frame (1) is fixedly connected to a first mounting plate (23); the lower end surface of the filter element (2) is fixedly connected to a second mounting plate (24); the first mounting plate (23) and the second mounting plate (24) are both arranged in an annular structure; the side walls of the first mounting plate (23) and the second mounting plate (24) are both provided with mounting plug-in holes (25); the plug-in shaft (22) matches the mounting plug-in holes (25).

5. A dust filter for a vacuum cleaner according to claim 4, characterized in that: The quick disassembly assembly also includes a balancing fixing frame (26) fixedly connected to the inner wall of the mounting frame (1), a low-speed motor (27) fixedly connected to the balancing fixing frame (26), an output end of the low-speed motor (27) passing through the mounting cover plate (18) and fixedly connected to a driving gear (28), an end of the plug-in bracket (20) fixedly connected to a rack rod (29), and the driving gear (28) and the rack rod (29) are meshed with each other.

6. A dust filter for a vacuum cleaner according to claim 2, characterized in that: The rotating frame (6) and the concave bracket (12) are both provided with through holes, and the worm (11) matches the through holes.

7. A dust filter for a vacuum cleaner according to claim 4, characterized in that: An anti-wear silicone pad is fixedly connected to the outer peripheral wall of the plug-in shaft (22).

8. The dust filter for a vacuum cleaner according to claim 4, characterized in that: The lower end surface of the installation cover plate (18) is fixedly connected to a supporting bottom block (30), and the supporting bottom block (30) is arranged in an arc-shaped structure.

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