Dust extractor with pulverizing module

Abstract

The application relates to the technical field of dust collectors, in particular to a dust collector with a crushing module, which comprises a dust collector main assembly and a rolling brush for gathering sundries, one end of the bottom of the dust collector main assembly is provided with a suction head assembly, an expansion assembly is movably connected in the suction head assembly, a crushing roller for crushing sundries is sleeved outside the expansion assembly, the expansion assembly comprises a friction block for pressing against the inner wall of the crushing roller, the suction head assembly comprises a buckle cover capable of dismounting the crushing roller from the side face, the dust collector with the crushing module is moved radially outward under the action of centrifugal force generated by the friction block when the connecting plate rotates, until the outer arc surface of the friction block presses against the inner wall of the crushing roller, the crushing roller is driven to rotate synchronously through friction, the cutting edges of the blades arranged on the surface of the crushing roller and the mechanical stoppers are staggered in the radial direction and the axial direction, when the crushing mode is switched, the larger garbage on the ground is crushed, and the cleaning effect of the dust collector is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dust collectors, in particular a dust collector with a crushing module. BACKGROUND

[0002] A dust collector is a kind of household appliance, which can realize the function of cleaning by generating negative pressure to suck dust and dirt in the air into the filtering system inside the machine. The dust collector is often used for cleaning in families and offices, and can remove dust and dirt on the surface of the floor, carpet and furniture.

[0003] In the patent document with the publication number CN102860788A, a vacuum cleaner with a crusher is provided, which comprises: a dust collector main body, having a suction source for generating suction force; a dust tank, which is detachably arranged on the dust collector main body, for collecting dust or dirt sucked into the dust collector main body by the suction force of the suction source; and a crusher for crushing paper, which is detachably communicated with the dust tank to collect the crushed paper into the dust tank.

[0004] However, there are some defects in the above-mentioned patent document. The crusher and the paper shredder consume electric energy during operation. The paper shredder can be used as a separate machine, and the function of the crusher is single, which makes it difficult to crush the sundries in life. At the same time, the installation on the dust collector may cause the volume of the dust collector to become larger, causing the problem of difficult operation. Therefore, the present application provides a dust collector with a crushing module. SUMMARY

[0005] One of the technical problems to be solved by the present application is that the crusher and the paper shredder consume electric energy during operation. The paper shredder can be used as a separate machine, and the function of the crusher is single, which makes it difficult to crush the sundries in life. At the same time, the installation on the dust collector may cause the volume of the dust collector to become larger, causing the problem of difficult operation.

[0006] To solve the above-mentioned technical problems, the present application provides a dust collector with a crushing module, which comprises a dust collector main body assembly and a rolling brush for gathering sundries. One end of the bottom of the dust collector main body assembly is provided with a suction head assembly. An expansion assembly is movably connected inside the suction head assembly. A crushing roller for crushing sundries is sleeved outside the expansion assembly. The expansion assembly comprises a friction block for pressing against the inner wall of the crushing roller. The suction head assembly comprises a buckle cover which can be detached from the crushing roller on the side surface.

[0007] In some embodiments, the rolling brush is sleeved outside the crushing roller. The surface of the crushing roller is provided with a receiving groove. One end of the receiving groove is movably connected with a blade through a rotating shaft. The connecting part of the blade and the receiving groove is provided with a torsional spring for driving the blade to reset.

[0008] In some embodiments, the outer part of the crushing roller is provided with a suction nozzle for mounting the crushing roller, one end of the suction nozzle is provided with a clamping groove for clamping the crushing roller, the inner wall of the buckle cover is provided with a movable groove, and the inner wall of the suction nozzle is provided with a mechanical stopper.

[0009] In some embodiments, the expansion assembly includes a drive shaft, the two ends of the drive shaft are symmetrically provided with a connecting plate, the surface of the connecting plate is protruded with a connecting shaft, the connecting shaft is arranged in an array, the friction block is sleeved on the outside of the connecting shaft, one end of the friction block is arc-shaped and concave, and the first reset spring for resetting is arranged on the inner surface of the arc-shaped end, and one end of the first reset spring is fixedly connected to the surface of the connecting plate.

[0010] In some embodiments, one end of the suction nozzle is provided with a driving motor, and the output end of the motor is provided with a driving groove, the driving shaft is embedded in the driving groove, and the motor rotates to drive the driving shaft to rotate synchronously through the driving groove.

[0011] In some embodiments, one end of the crushing roller clamped in the clamping groove is an open end, and one end of the crushing roller clamped in the buckle cover is a closed end, the open end facilitates disassembly of the crushing roller, the roller brush is sleeved on the outside of the crushing roller to form a full-enclosing protection structure, and the blade is always limited in the receiving groove during rotation to avoid exposure and contact risk.

[0012] In some embodiments, the friction block moves radially outward under the action of centrifugal force generated by the rotation of the connecting plate to overcome the tension of the first reset spring, until the outer arc surface of the friction block presses the inner wall of the crushing roller, and the crushing roller is driven to rotate synchronously through friction.

[0013] In some embodiments, the dust collector body assembly includes a dust collection bin, the bottom of the dust collection bin is provided with a collection bin, the dust collection bin is provided with a handle for pushing, one end of the inner cavity of the collection bin is provided with a collection bag for collecting debris, the port of the collection bag is connected with the inner cavity of the suction nozzle, one end of the collection bin is provided with a corrugated pipe for connecting the suction nozzle, and the side of the collection bin is provided with a driving rod, one end of the driving rod is provided with a counterweight.

[0014] In some embodiments, the inner cavity of the dust collection bin is provided with a power module for generating negative pressure through high-speed rotation at the top, the power module is provided with a filter screen below, the filter screen is provided with a large-mesh filter screen below, and the chamber isolated below the large-mesh filter screen is connected with the collection bag.

[0015] In some embodiments, the cutting edge of the blade and the mechanical stopper are staggered in the radial and axial directions, and a shearing gap is formed therebetween.

[0016] The present application has at least the following advantages:

[0017] 1、The present application overcomes the tension of the first reset spring by the centrifugal force generated by the friction block when the connecting plate rotates, and moves radially outward until the outer arc surface of the friction block presses the inner wall of the crushing roller, and drives the crushing roller to rotate synchronously through friction, the cutting edges of the blades arranged on the surface of the crushing roller are staggered in radial and axial directions, and a shearing gap is formed between them, which can crush large garbage on the ground when switching the crushing mode, and improve the cleaning effect of the dust collector.

[0018] 2、The present application sets a rolling brush outside the crushing roller, forms a full-enclosed protective structure outside the crushing roller when the dust collector is in a normal working state, and when the driving shaft drives the external structure to rotate, the rolling brush gathers the sundries and sweeps the dust to the suction port, and the blades are always limited inside the storage groove to avoid exposure and contact risk, thereby improving the safety of the dust collector in the normal working state.

[0019] 3、The present application sets the blades connected by torsional springs on the surface of the crushing roller, and when the friction block presses the inner wall of the crushing roller to drive the crushing roller to rotate, the blades rotate outward around the connecting shaft to form an unfolded cutting state when the rotating speed exceeds a threshold value, and the pre-tightening force of the torsional spring keeps the blades inside the storage groove on the outer wall of the crushing roller when the rotating speed decreases, thereby adapting to different working states of the dust collector through the conversion between the static closed and dynamic open states. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0021] Figure 2 It is a schematic diagram of the suction head assembly structure of the present application;

[0022] Figure 3 It is a dynamic transformation diagram of the suction head assembly of the present application;

[0023] Figure 4 It is a local structure split diagram of the present application;

[0024] Figure 5 It is an enlarged view of structure A of the present application;

[0025] Figure 6 It is a local structure section view of the present application;

[0026] Figure 7 It is a section view of the overall structure of the present application;

[0027] Figure 8 It is a schematic diagram of the side structure of the present application;

[0028] Figure 9Figure for dynamic transformation of embodiment 2 of the present application.

[0029] In the figure: 1, main body assembly of the dust collector; 11, dust collection bin; 12, power module; 13, filter screen; 14, handle; 15, collection bin; 16, large mesh filter screen; 17, corrugated pipe; 18, collection bag; 2, suction head assembly; 21, suction nozzle; 210, mechanical stop block; 211, clamping groove; 212, driving groove; 22, crushing roller; 220, storage groove; 221, limiting groove; 222, through groove; 23, rolling brush; 24, buckle cover; 240, movable groove; 25, blade; 26, torsional spring; 27, driving rod; 28, counterweight; 3, expansion assembly; 31, driving shaft; 310, connecting shaft; 32, connecting plate; 33, first return spring; 34, friction block; 4, cutter; 400, second return spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] Embodiment 1: please refer to Figures 1-8 The present application provides a technical solution: a dust collector with a crushing module, comprising a main body assembly 1 of the dust collector and a rolling brush 23 for gathering sundries, and the bottom end of the main body assembly 1 is provided with a suction head assembly 2 which is convenient to disassemble and clean, the inside of the suction head assembly 2 is provided with an expansion assembly 3 for driving the suction head assembly 2 to rotate synchronously, the inside of the rolling brush 23 is provided with a crushing roller 22, the surface of the crushing roller 22 is provided with a storage groove 220, one end of the storage groove 220 is movably connected with a blade 25 through a rotating shaft, the connecting part of the blade 25 and the storage groove 220 is provided with a torsional spring 26 for driving the blade 25 to reset, the cutting edge of the blade 25 and the mechanical stop block 210 are staggered in both the radial direction and the axial direction, and a shearing gap is formed therebetween, when the dust collector is in the crushing state, the buckle cover 24 is disassembled from the side of the suction nozzle 21, the rolling brush 23 is separated from the outside of the crushing roller 22, and then the buckle cover 24 is reinstalled, the power is started, and when the sundries enter the inside of the suction nozzle 21, the sundries are sheared under the suction force of the dust collector, and due to the height difference between the blade 25 and the mechanical stop block 210, radial shearing is formed; the axial spacing between the mechanical stop block 210 and the blade 25 produces phase difference shearing, and the sundries can be subjected to three crushing effects of cutting, tearing and grinding at the same time, so that the crushing effect of the dust collector on the sundries in the crushing state is more obvious, and when the user needs to crush the garbage, the user only needs to disassemble the rolling brush 23 outside the crushing roller 22, so that the working mode can be switched conveniently and quickly.

[0032] By changing the working state of the dust collector, the dust collection and crushing are integrated, the energy consumption of the dust collector for repeatedly processing garbage is reduced, the volume of the crushed garbage is smaller, the frequency of replacing the collection bag 18 can be reduced, the risk of blockage is reduced, the crushing roller 22 can prevent large particles of garbage from being stuck in the air duct or the motor, reduce the maintenance demand, prolong the service life of the product, the modular design can replace the damaged parts separately, and the circulating economy concept is met.

[0033] Please refer to Figures 2-6 The outer part of the crushing roller 22 is provided with a suction nozzle 21 for mounting the crushing roller 22, one end of the suction nozzle 21 is provided with a clamping groove 211 for clamping the crushing roller 22, the other end of the suction nozzle 21 is provided with a buckle cover 24, the inner wall of the buckle cover 24 is provided with a movable groove 240, the inner wall of the suction nozzle 21 is provided with a mechanical stop block 210, one end of the crushing roller 22 clamped in the clamping groove 211 is an open end, one end of the crushing roller 22 clamped in the buckle cover 24 is a closed end, the open end facilitates disassembly of the crushing roller 22, the roller brush 23 is sleeved outside the crushing roller 22 to form a full-enclosed protective structure, the blade 25 is always limited in the receiving groove 220 during rotation, avoiding exposure to contact risk, when the dust collector is in a normal dusting state, the roller brush 23 completely isolates the blade 25 arranged on the surface of the crushing roller 22 from the dusting environment through the fully-closed design, one end of the crushing roller 22 is arranged as an opening, which facilitates disassembly and installation of the crushing roller 22, and the crushing roller 22 can be cleaned after disassembly, the movable groove 240 in the inner wall of the buckle cover 24 and the clamping groove 211 arranged at one end of the suction nozzle 21 are both provided with a ball and a retainer structure, when one end of the driving shaft 31 is clamped in the movable groove 240 and rotates, and one end of the crushing roller 22 is clamped in the clamping groove 211 and rotates, the friction between the two clamped parts can be reduced.

[0034] Please refer to Figures 3-4, 6, the expansion assembly 3 includes a drive shaft 31, both ends of the drive shaft 31 are symmetrically provided with a connecting plate 32, the surface of the connecting plate 32 is protruded with a connecting shaft 310, the connecting shaft 310 is arrayed, the outer part of the connecting shaft 310 is sleeved with a friction block 34, one end of the friction block 34 is circular arc and concave surface is provided with a first reset spring 33 for reset, the friction block 34 is moved radially outward under the action of centrifugal force generated by the rotation of the connecting plate 32, overcoming the tension of the first reset spring 33, until the outer arc surface of the friction block 34 is pressed against the inner wall of the crushing roller 22, the crushing roller 22 is driven to rotate synchronously by friction force, one end of the first reset spring 33 is fixedly connected to the surface of the connecting plate 32, one end of the suction nozzle 21 is provided with a driving motor and the output end of the motor is provided with a driving groove 212, the driving shaft 31 is embedded in the driving groove 212, the motor is rotated to drive the driving shaft 31 to rotate synchronously through the driving groove 212, when the driving shaft 31 is driven to rotate, because the connecting plate 32 is symmetrically arranged at both ends of the driving shaft 31, the surface of the connecting plate 32 is provided with the friction block 34.

[0035] In the initial state: the first reset spring 33 keeps the friction block 34 away from the inner wall of the crushing roller 22;

[0036] Rotating state: the connecting plate 32 is driven by the driving shaft 31 to rotate and accelerate to a threshold speed, the centrifugal force makes the friction block 34 move radially outward;

[0037] Torque transmission: the outer arc surface of the friction block 34 and the inner wall of the crushing roller 22 form a static friction force, driving the crushing roller 22 to rotate;

[0038] Deceleration separation: the connecting plate 32 is decelerated by the driving shaft 31, the first reset spring 33 pulls the friction block 34 to reset and separate under the elastic action of itself.

[0039] Please refer to Figures 7-8The dust collector main body assembly 1 comprises a dust collecting bin 11, the bottom of the dust collecting bin 11 is provided with a collecting bin 15, the dust collecting bin 11 is provided with a handle 14 for pushing, the inner cavity of the collecting bin 15 is provided with a collecting bag 18 for collecting debris at one end, the port of the collecting bag 18 is connected with the inner cavity of a suction nozzle 21, one end of the collecting bin 15 is provided with a corrugated pipe 17 for connecting the suction nozzle 21, the side of the collecting bin 15 is provided with a driving rod 27, one end of the driving rod 27 is provided with a counterweight 28 for counterweight, the top of the inner cavity of the dust collecting bin 11 is provided with a power module 12 for high-speed rotation to generate negative pressure, the lower part of the power module 12 is provided with a filter screen 13, the lower part of the filter screen 13 is provided with a large-mesh filter screen 16, the isolated cavity below the large-mesh filter screen 16 is connected with the collecting bag 18, the power module 12 drives the centrifugal fan arranged at the bottom to rotate to generate centrifugal airflow, a low-pressure area is formed in the inner cavity of the dust collecting bin 11, the airflow carries dust into the inner cavity of the dust collecting bin 11 through one end of the collecting bin 15, the bag port of the collecting bag 18 is designed with elastic edge to ensure that the inner wall debris will not leak when the dust collector is in the shutdown state, the mesh of the large-mesh filter screen 16 is larger, which can intercept the crushed sundries, and the small particles such as dust are concentrated in the cavity formed between the upper part of the large-mesh filter screen 16 and the outer wall of the filter screen 13 under the interception of the filter screen 13, when the dust collector is in the normal working state, the counterweight 28 can make the bottom of the suction nozzle 21 adhere to the ground under the action of its own gravity to better perform the dust collection work, when the dust collector is in the crushing working state, the driving rod 27 drives the counterweight 28 to lift up to avoid damage to the ground when the blades 25 arranged on the surface of the crushing roller 22 rotate.

[0040] Example 2: see Figure 9The application provides a technical scheme: the only difference between the embodiment and the embodiment 1 is that the inner cavity of the crushing roller 22 is provided with a limiting groove 221, the limiting groove 221 and the surface of the crushing roller 22 are provided with a through groove 222, the limiting groove 221 is internally provided with a cutter 4, the cutter 4 and the limiting groove 221 are connected with a second reset spring 400, the cutter 4 is provided with a blade at one end, the blade is telescopically connected in the inner cavity of the through groove 222, when the dust collector is in a static state, under the elastic force of the second reset spring 400 arranged at both ends of the cutter 4, the cutter 4 is always in the inner cavity of the through groove 222 and cannot be exposed, when the dust collector is in a normal working state, due to the compression of the friction block 34 to the inner wall of the crushing roller 22, the cutter 4 protrudes from the surface of the crushing roller 22, the inner wall of the rolling brush 23 and the cutting edge of the cutter 4 are provided with a distance, so that the inner wall of the rolling brush 23 cannot be damaged, when the dust collector is in a crushing state, the rolling brush 23 is disassembled, so that the crushing roller 22 is exposed to perform the crushing work, when the surface of the crushing roller 22 is wound with hair during the crushing, under the interaction of the friction between the crushing roller 22, a self-reinforced winding mechanism is formed, so that the hair is wound more and more tightly, when the tightly wound hair is partially contacted with the cutting edge of the cutter 4, the hair is cut off, so as to be sucked and collected, and the existence of sundries is avoided to wind the crushing roller 22, so as to affect the normal work of the crushing roller 22.

[0041] Although the embodiments of the application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the application.

Claims

1. A vacuum cleaner having a pulverizing module, comprising a vacuum cleaner body assembly (1) and a roller brush (23) for gathering up dirt, characterized in that: The bottom end of the dust collector body assembly (1) is provided with a suction head assembly (2), the inside of the suction head assembly (2) is movably connected with an expansion assembly (3), the outside of the expansion assembly (3) is sleeved with a crushing roller (22) for crushing sundries, the expansion assembly (3) comprises a friction block (34) for pressing the inner wall of the crushing roller (22), and the suction head assembly (2) comprises a buckle cover (24) which can be detached from the side of the crushing roller (22). The crushing roller (22) is provided with a receiving groove (220) on the surface, and the receiving groove (220) is movably connected with a blade (25) at one end through a rotating shaft, and the connecting part of the blade (25) and the receiving groove (220) is provided with a torsional spring (26) for driving the blade (25) to reset. The expansion assembly (3) comprises a drive shaft (31), the two ends of the drive shaft (31) are symmetrically provided with a connecting plate (32), the surface of the connecting plate (32) is protruded with a connecting shaft (310), the connecting shaft (310) is arranged in an array, the friction block (34) is sleeved outside the connecting shaft (310), one end of the friction block (34) is arc-shaped and concave, and is provided with a first reset spring (33) for resetting, and one end of the first reset spring (33) is fixedly connected to the surface of the connecting plate (32). When the dust collector is in a normal working state, the rolling brush (23) is sleeved outside the crushing roller (22) to form a full-enclosing protective structure, and the blade (25) is always limited inside the receiving groove (220) during rotation; when the dust collector is in a crushing state, the rolling brush (23) is separated from the outside of the crushing roller (22), and the friction block (34) moves radially outward under the action of centrifugal force generated by the rotation of the connecting plate (32) to overcome the tension of the first reset spring (33), until the outer arc surface of the friction block (34) presses the inner wall of the crushing roller (22), and the crushing roller (22) is driven to rotate synchronously through friction force, when the rotating speed exceeds a threshold value, the blade (25) rotates outward around the connecting shaft (310) under the action of centrifugal force to form an unfolded cutting state.

2. The dust collector having a pulverizing module according to claim 1, wherein: The outside of the crushing roller (22) is provided with a suction nozzle (21) for mounting the crushing roller (22), one end of the suction nozzle (21) is provided with a clamping groove (211) for clamping the crushing roller (22), the inner wall of the buckle cover (24) is provided with a movable groove (240), and the inner wall of the suction nozzle (21) is provided with a mechanical stop block (210).

3. A dust extractor with a pulverizing module according to claim 2, characterized in that: One end of the suction nozzle (21) is provided with a driving motor, and the output end of the motor is provided with a driving groove (212), the driving shaft (31) is embedded in the driving groove (212), and the motor rotates to drive the driving shaft (31) to rotate synchronously through the driving groove (212).

4. A dust extractor with a pulverizing module according to claim 3, characterized in that: The end of the crushing roller (22) clamped in the clamping groove (211) is an open end, and the end of the crushing roller (22) clamped in the buckle cover (24) is a closed end, and the open end facilitates the disassembly of the crushing roller (22).

5. A dust extractor with a pulverizing module according to claim 4, characterized in that: The dust collector main body assembly (1) comprises a dust collecting bin (11), the bottom of the dust collecting bin (11) is provided with a collecting bin (15), the dust collecting bin (11) is provided with a handle (14) for pushing, one end of the inner cavity of the collecting bin (15) is provided with a collecting bag (18) for collecting debris, the port of the collecting bag (18) is connected with the inner cavity of a suction nozzle (21), one end of the collecting bin (15) is provided with a bellows (17) for connecting the suction nozzle (21), the side of the collecting bin (15) is provided with a drive rod (27), one end of the drive rod (27) is provided with a counterweight (28) for counterweight.

6. A dust extractor with a pulverizing module according to claim 5, characterized in that: The inner cavity of the dust collecting bin (11) is provided with a power module (12) for generating negative pressure by high-speed rotation at the top, the lower part of the power module (12) is provided with a filter screen (13), the lower part of the filter screen (13) is provided with a large-mesh filter screen (16), the isolated cavity below the large-mesh filter screen (16) and the collecting bag (18) are connected with each other.

7. A dust extractor with a pulverizing module according to claim 6, characterized in that: The cutting edges of the blades (25) and the mechanical stoppers (210) are staggered in the radial direction and the axial direction, and a shearing gap is formed between them.

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