1032results about "Cleaning filter means" patented technology

A dirt separator for separating dirt from an airflow in a vacuum cleaner includes a primary separation stage (20), a secondary separation stage (30) and a movable member (40). The primary separation stage has a first dirt collection chamber (22) for storing first dirt removed from the airflow by a first filter comprised in the primary separation stage. The secondary separation stage is downstream of the primary separation stage and has a second dirt collection chamber (32) for storing second dirt removed from the airflow by a second filter comprised in the second separation stage. The movable member is movable relative to the first and second filters to disengage the first dirt and the second dirt from the first and second filters. respectively.

A separation system for a vacuum cleaner is provided an includes a first cyclone body having a first inlet and a second cyclone body having a second inlet. The second cyclone body is arranged in parallel with the first cyclone body. The separation system further includes a valve assembly movable between a first position in which the valve assembly permits airflow through the first and second inlets, and a second position in which the valve assembly permits airflow through the first inlet and inhibits airflow through the second inlet. The first and second inlets are located in a common plane.

A cyclone bin assembly for a hand vacuum cleaner has a cyclone chamber and a dirt collection chamber. The cyclone chamber has a cyclone air inlet, a cyclone air outlet, a dirt outlet, a cyclone chamber front end, a cyclone chamber rear end and cyclone axis of rotation that intersects a cyclone chamber front end wall and a cyclone chamber rear end wall. The dirt collection chamber has a dirt collection chamber front end having a dirt collection chamber front end wall and an axially spaced apart dirt collection chamber rear end having a dirt collection chamber rear end wall. A forward portion of the cyclone bin assembly is rotationally mounted between a closed position wherein the cyclone chamber and the dirt collection chamber are closed and an open position wherein a rear portion of the cyclone chamber and a rear portion of the dirt collection chamber are opened.

In general, the present disclosure is directed to a hand-held surface cleaning device that includes a relatively compact form-factor to allow users to store the same in a nearby location (e.g., in a drawer, in an associated charging dock, on a table top) for easy access to perform relatively small cleaning tasks that would otherwise require retrieving a full-size vacuum from storage. A hand-held surface cleaning device consistent with aspects of the present disclosure includes a body (or body portion) with a motor, power source and dust cup disposed therein. The body portion also functions as a handgrip to allow the hand-held surface cleaning device to be operated by one hand, for example.

The invention provides a cleaning device and a dust collection method, the cleaning device comprises a dust collector, a dust collection base station and a negative pressure device, the dust collector comprises a dust cup and a first cover body, the first cover body is used for closing or opening the internal space of the dust cup, the dust cup is provided with a lock catch, and the lock catch is used for locking the first cover body; comprising an unlocking piece; and the negative pressure device is used for generating negative pressure in the dust collection base station, so that the unlocking piece acts on the lock catch to unlock the first cover body under the action of air pressure difference. Through mutual cooperation of the dust collector, the dust collection base station and the negative pressure device, the dust collection base station is better in effect of collecting garbage of the dust collector, and use is more convenient.

A dust mitigation system for a mobile sweeper, the dust mitigation system including a cover to at least partially cover one or more brushes of the mobile sweeper, a dust collector including at least one fan and one or more filters, and at least one duct fluidly connecting the cover with the dust collector.

The invention provides a dust collection base station, a dust cup, a cleaning device and a dust collection method, and belongs to the field of cleaning devices. The dust collection base station comprises a base station body and an uncovering structure, a containing groove is formed in the end of the base station body, the uncovering structure is located on the side wall of the containing groove, and the uncovering structure is configured to trigger a dust discharging cover of a dust cup to be unlocked if air pressure in the containing groove is within a preset negative pressure range. Due to the fact that the air pressure in the containing groove is within the preset negative pressure range during unlocking, the air pressure difference between the interior of the dust cup and the interior of the containing groove is within the acceptable range, and impact generated when the dust discharging cover is opened under the action of the air pressure difference between the two sides is also within the acceptable range. The sundries in the dust cup enter the containing groove under the action of the air pressure difference in the dust cup and the containing groove, residues of the sundries in the dust cup are reduced or even avoided, and the situation that normal use of the cleaning device is affected due to the fact that impact generated when the sundries enter the containing groove is too large is avoided.

A hand-held surface cleaning device consistent with aspects of the present disclosure includes a body (or body portion) with a motor, power source and dust cup disposed therein. The body portion also functions as a handgrip to allow the hand-held surface cleaning device to be operated by one hand, for example.

A surface cleaning apparatus has a housing defining at least part of a cyclone chamber and a pre-motor filter chamber. In one embodiment, the housing is pivotally mounted to the main body of a hand vacuum cleaner. The housing is moveable between an in use position and an emptying position, in which the cyclone chamber and the pre-motor filter are concurrently openable.

The utility model discloses a self-cleaning carding filter screen structure of a dust collector, which comprises a filter screen component, a cleaning component and a cleaning component, the filter screen bracket comprises a first positioning ring, a filter screen supporting frame and a first mounting seat, and a locking part is arranged on the first mounting seat; the scraper assembly is rotationally arranged on the filter screen and the filter screen bracket in a sleeving manner, and comprises a second positioning ring, a second mounting seat and a plurality of scrapers arranged between the second positioning ring and the second mounting seat; the second positioning ring sleeves the first positioning ring; the second mounting seat is spliced on the first mounting seat; the scraper clings to the outer surface of the filter screen; and the fastener is arranged on the mounting hole of the second mounting seat in a penetrating manner and is locked and positioned in the locking opening of the locking part. The self-cleaning dust collector filter screen can solve the problem that an existing dust collector filter screen cannot meet the convenient, efficient and environment-friendly self-cleaning requirement of the filter screen.

The utility model discloses a dust collector with an air inlet HEPA structure capable of scraping dust and cleaning, and relates to the technical field of dust collectors. The dust collector comprises a dust collector body, a machine body is arranged at the top end of the dust collector body in a clamped mode, a filtering assembly is arranged in the machine body in a clamped mode, a dust cleaning assembly is rotationally arranged in the filtering assembly, one side of the dust cleaning assembly is attached to the inner wall of the filtering assembly, and a reset assembly is arranged in the machine body. The dust cleaning assembly is driven to move by pressing the reset assembly, then one side of the dust cleaning assembly is attached to the inner wall of the filter assembly, then the reset assembly is rotated to drive the dust cleaning assembly fixedly installed at one end of the reset assembly to rotate, and due to the fact that the filter assembly is arranged in the wave state, when the dust cleaning assembly rotates, the dust cleaning assembly is not prone to falling off. The filter assembly can be vibrated, and then dust attached to the filter assembly can be vibrated off, so that cleaning of the filter assembly is completed, and the phenomena of dust raising and dust scattering are avoided.

In general, the present disclosure is directed to a hand-held surface cleaning device that includes a relatively compact form-factor to allow users to store the same in a nearby location (e.g., in a drawer, in an associated charging dock, on a table top) for easy access to perform relatively small cleaning tasks that would otherwise require retrieving a full-size vacuum from storage. A hand-held surface cleaning device consistent with aspects of the present disclosure includes a body (or body portion) with a motor, power source and dust cup disposed therein. The body portion also functions as a handgrip to allow the hand-held surface cleaning device to be operated by one hand, for example.

The utility model discloses a connecting structure of a dust collector base station and a dust collector host. A dust cup cover is arranged at the end of the dust collector dust cup, and a plurality of dust collection cavities are formed in the dust collector dust cup in the axis direction; the dust collection structure is elastically clamped on the side surface of the dust collector dust cup; the dust collector base station comprises a sleeving structure and a base, a clamping sleeve structure is arranged on the sleeving structure, a notch with a lateral opening is formed in the clamping sleeve structure, a dust collector dust cup is inserted into the clamping sleeve structure, and the dust collecting structure is arranged in the notch in a penetrating mode; a dust exhaust channel is arranged in the dust collector base station and communicated with a base station dust cup in the base, and an exhaust structure is arranged on the base station dust cup. According to the utility model, the dust collection cavities in the dust collector host can be fully and efficiently discharged and recycled without disassembly, the dust collector host and the base station are stably positioned, the influence of motor vibration and airflow dust impact on the connecting structure is reduced, and the efficient and neat use of the dust collector host and the base station is ensured.

A surface cleaning apparatus is operable in a surface cleaning mode and an evacuation mode. A valve assembly is operable to adjust the air flow between a surface cleaning mode air flow path and an evacuation air flow path. The surface cleaning apparatus is operable in a surface cleaning mode wherein air travels from a dirty air inlet, through a downstream port to a clean air outlet and, when the surface cleaning apparatus is docked at a docking station, the surface cleaning apparatus is also operable in an evacuation mode wherein air enters through an ambient air inlet port, travels through the docking station and subsequently enters the surface cleaning apparatus through a docking station return air inlet port.

The utility model discloses a dust collection type dust collector base station which comprises a base station shell, a movable installation groove is formed in the top of the base station shell, a dust collector main machine is placed in the movable installation groove, a pull rod is arranged in the movable installation groove, the pull rod is connected to a pull button in an extending mode, and a base station dust collection barrel is arranged in the base station shell. A dust blocking piece is arranged on the top of the base station dust collecting barrel, and the position of the dust blocking piece corresponds to the bottom of a dust cup of the dust collector main machine. According to the base station dust collector, the dust cup at the bottom abuts against the elastic dust blocking piece through overall downward movement of the dust collector main machine, the elastic dust blocking piece is opened, the dust cup cover is opened through the unlocking device, dust in the dust cup can be directly poured into a base station, the dust is prevented from running into the base station in the transferring process, secondary cleaning is avoided, and the service life of the base station is prolonged. And the use experience of the user is improved.

The present disclosure relates to a method of controlling a cleaner system, the method including a differential pressure detection step of detecting a differential pressure between air before passing through a prefilter provided in a cleaner and air after passing through the prefilter, and a cleaner foreign substance removal step of cleaning the prefilter when the cleaner is coupled to the cleaner station when the differential pressure detected in the differential pressure detection step is equal to or higher than a preset reference differential pressure, such that when a degree of contamination of the prefilter is high regardless of the usage period, the degree of contamination may be automatically detected and notified to a user, and the prefilter may be automatically cleaned.

An industrial sweeper operates by rolling along a floor to be cleaned, pushed or pulled, including: a brush with a horizontal axis depending on the use position of the industrial sweeper on a horizontal floor, a collecting pan for collecting dirt swept by the brush, the collecting pan mounted and able to pivot between a closed and working position and a wide open position allowing the pan to be emptied, a suction turbine downstream of the collecting pan suctioning dust into the collecting pan when in closed position, two wheels for resting on the floor, an air filter, an unclogging mechanism for unclogging the air filter. The air filter is fixed on the collecting pan and the unclogging mechanism includes an end stop to block travel of the collecting pan in its wide open position, the end stop causing a shock at the end of the collecting pan opening movement.

The utility model discloses a shearing structure capable of solving the problem of hair winding of a cyclone filter device, which comprises the cyclone filter device provided with a filter screen; one end of the dust cup is connected to the cyclone filter device, and the filter screen is located in the dust cup; the cutting part is connected with the outer surface of the filter screen, the cutting part is connected to the dust cup, and when the dust cup and the cyclone filter device are separated and drawn out, the cutting part cuts off hair wound on the filter screen. Compared with the prior art, the dust cup is provided with the cutting part, when the dust cup is detached, the dust cup and the cyclone filtering device are in a relative motion state, the cutting part can cut off hair wound on the cyclone filtering device, the cyclone filtering device does not need to be detached, more convenience is achieved, and the use experience of a user is improved.

The invention discloses a device for back flushing a filter element through a control valve, which comprises a fan, a plurality of pipelines, a plurality of valves, a filter chamber and a silencing air outlet pipe, the fan is fixedly connected with the plurality of pipelines, the plurality of valves are connected with the plurality of pipelines, the filter chamber is arranged at the lower left ends of the plurality of pipelines and is fixedly connected with the plurality of pipelines, and the silencing air outlet pipe is arranged at the lower left end of the plurality of pipelines. The noise reduction air outlet pipe is connected with the pipelines through the valves, when the draught fan works, air enters from the dust suction opening under the suction effect of the draught fan, passes through the interior of the filter chamber and flows to the pipelines, and under the effect that the valves control the air flow direction, the air flows to the noise reduction air outlet pipe, and then the air flows to the noise reduction air outlet pipe. And the air flows back to the plurality of pipelines under the action that the plurality of valves control the flow direction of the air, and finally returns to the filter chamber to realize back flushing on the upper filter element or the lower filter element in the filter chamber, so that the filter element cleaning is realized, and the problem that in the background technology, the existing dust collector is difficult to clean in the use process is solved. As the filter element is blocked, the dust collector needs to be frequently closed to take out the filter element for manual cleaning, the working efficiency is low, and the operation burden of a user is increased.

The utility model relates to a disassembly-free dust cup and cleaning equipment, and the disassembly-free dust cup comprises a cup body which is provided with an opening; a cup cover; the locking assembly is used for locking the cup body and the cup cover; the separator comprises a primary filtering mechanism; a first cavity is formed among the cup body, the cup cover and the separator and comprises a cyclone separation cavity and a dirt collection cavity; the ash removal assembly comprises a triggering piece and a scraping piece which are linked with each other; and the safety piece can be used for blocking the triggering piece and unlocking the locking assembly. According to the disassembly-free dust cup, automatic cover opening and automatic dust scraping can be achieved by operating the triggering piece, operation is easy and convenient, and mutual interference of automatic cover opening dust pouring and automatic dust scraping can be avoided through the arranged safety piece.

A vacuum cleaning device (1), in particular a battery-operated handheld vacuum cleaner, comprising a suction nozzle (8), a blower (2), a suction chamber (3), and an air filter (4) arranged in the flow direction between the suction chamber (3) and the blower (2), which, in suction operation, is flowed through from the direction of the suction chamber (3) towards the blower (2) and, in regeneration operation, is flowed through in the opposite direction, characterized in that the suction chamber (3) is associated with at least one longitudinal section of the suction chamber (3) in the direction of flow and / or a bypass channel (5) bridging the air filter (4), wherein an outlet area (6) facing away from the blower (2) opens into the suction chamber (3), such that, in regeneration operation, suction material adhering to the air filter (4) is loosened and conveyed further into the suction chamber (3), moving towards a cross-sectional narrowing. (7) flows between the suction chamber (3) and the suction nozzle (8),that the discharge area (6) is located in the area of ​​the cross-sectional reduction (7) of the suction chamber (3), in a transition area between the suction chamber (3) and the suction nozzle (8) of the vacuum cleaning device (1), and that the suction material (20) contained in the suction chamber (3) can be conveyed out of the vacuum cleaning device (1) through the suction nozzle (8).

Systems and methods of self-cleaning filtering may include: (a) filtering, via a filter media comprising a clean side and a dirty side, a fluid, thereby accumulating particles from said fluid on said dirty side; and (b) shaking, via one or more shaking sources, one or both of (i) a filter housing in physical contact with said filter media or (ii) a reinforced structure in physical contact with said filter media, thereby causing said filter media to shake to dislodge at least a portion of said particles from said dirty side of said filter media.

A vacuum cleaning system includes a vacuum cleaner having a vacuum motor, a dust box, a primary separation system, a membrane filter, and an air valve arrangement configured to control airflow through at least the membrane filter. The vacuum cleaner is configured to be operable in a surface cleaning mode of operation and a self-cleaning mode of operation. In a surface cleaning mode of operation, the vacuum cleaner is configured such that the vacuum motor draws dirty air from the dirty air inlet through the dust box, the primary separation system and the membrane filter in a first airflow direction, and in a self-cleaning mode of operation, the vacuum motor draws dirty air from the dirty air inlet through the dust box, the primary separation system and the membrane filter in a second airflow direction. The vacuum cleaner is configured to allow air to flow from the air valve arrangement through the membrane filter in the second airflow direction to clean dirt from the membrane filter. Accordingly, it is useful that the airflow can pass through the vacuum cleaner in a second direction or "reverse" to remove agglomerated dirt from the membrane filter. The membrane filter may be used as a pre-motor filter located upstream of the vacuum motor, or as a post-motor filter located downstream of the vacuum motor, when considered from the airflow direction during the surface cleaning mode of operation.

A multifunctional instrument protection box for electrical engineering comprises a box body, a box door, an anti-collision mechanism, a fire extinguishing mechanism and a dust removal mechanism. The electrical engineering instrument is located in the box body and is fixedly connected with a bottom plate of the box body. The anti-collision mechanism is positioned among double-layer plate bodies of a top plate, a left side plate, a right side plate and a rear side plate of the box body; the fire extinguishing mechanism is located above the electrical engineering instrument. The dust removal mechanism is located outside the heat dissipation opening of the box body. The anti-collision function is added, the external force impact resistance of the protection box can be effectively improved, and the damage probability of electrical instrument equipment under external force impact is reduced; a fire extinguishing function is added, once fire is triggered by high temperature, short circuit and the like in the protection box, automatic fire extinguishing can be implemented in the protection box in the first time, open fire is extinguished in the shortest time, and damage of the fire to electrical engineering instruments and equipment is blocked; a dust removal function is added, accumulated dust at the heat dissipation opening can be dynamically removed, the situation that the heat dissipation effect becomes poor due to accumulated dust blockage of the heat dissipation opening is avoided, and the probability that a fire disaster is triggered by high temperature is reduced.

The invention discloses a dust collector system and a control method and device thereof. The dust collector system comprises a dust collection station, dust collector equipment, an air duct switching structure, a detection device and a control device, the dust collector equipment comprises an equipment main body, a dust cup assembly and a suction device, wherein the air inlet end of the suction device is communicated with the air outlet end of the dust cup assembly; the air duct switching structure is movably arranged on a communicating passage between the air outlet end of the dust cup assembly and the air inlet end of the suction device, and at least has a first working state for communicating the suction device and the dust collection station; the detection device is used for detecting the position state of the air duct switching structure; when the dust collection station and the dust collector equipment are in butt joint or after butt joint, the control device can control the air duct switching structure to enter the first working state according to the position state, detected by the detection device, of the air duct switching structure. According to the dust collection station, a power device for providing cleaning power for self-cleaning of the dust cup assembly does not need to be arranged in the dust collection station, and the dust collection station is simpler in structure, lower in cost and more convenient to maintain.

The embodiment of the invention discloses a cover opening structure and a dust collecting method, and belongs to the field of cleaning devices. The dust collection base station comprises a base station body and an uncovering structure, a containing groove is formed in the end of the base station body, the uncovering structure is located on the side wall of the containing groove, and the uncovering structure is configured to trigger a dust discharging cover of a dust cup to be unlocked if air pressure in the containing groove is within a preset negative pressure range. Due to the fact that the air pressure in the containing groove is within the preset negative pressure range during unlocking, the air pressure difference between the interior of the dust cup and the interior of the containing groove is within the acceptable range, and impact generated when the dust discharging cover is opened under the action of the air pressure difference between the two sides is also within the acceptable range. The sundries in the dust cup enter the containing groove under the action of the air pressure difference in the dust cup and the containing groove, residues of the sundries in the dust cup are reduced or even avoided, and the situation that normal use of the cleaning device is affected due to the fact that impact generated when the sundries enter the containing groove is too large is avoided.

A surface cleaning apparatus having an upright section moveable relative to a surface cleaning head between a storage position and a rearwardly reclined floor cleaning position. The upright section comprising a removable hand vacuum cleaner. The hand vacuum cleaner is operable in a first mode of operation in which the surface cleaning apparatus is operated to clean a floor, the inlet of the hand vacuum cleaner is in flow communication with the surface cleaning head air outlet and the air treatment member of the hand vacuum cleaner is operable to treat air drawn in through the dirty air inlet of the surface cleaning head. The hand vacuum cleaner is also operable in a second mode of operation in which the hand vacuum cleaner is operable to directly clean a floor or the air inlet of the hand vacuum cleaner is directly connected to the downstream end of an accessory tool.

A dirt separator for separating dirt from an airflow includes an air inlet, an air outlet, and a filter located between the air inlet and the air outlet. The filter includes a first face, a second face, and a through-hole extending between the first and second faces. The filter includes a chamfer extending only partially around a periphery of the through-hole on the first face.

The invention relates to a portable dust collector and a dust collection system. The portable dust collector comprises a dust collection cup device; the dust collection cup device comprises a cup body, a first dust collection cavity is formed in the cup body, a longitudinal center line extending in the longitudinal direction is limited by the cup body, and the cup body comprises a bottom; the filter screen is in a closed circular ring shape, the filter screen is located in the first dust collection cavity, the center line of the filter screen coincides with the longitudinal center line, and the filter screen limits one part of the boundary of the first dust collection cavity; the dust remover comprises a first scraping element which is tightly attached to the outer wall face of the filter screen, and the dust remover is configured to be capable of rotating around the longitudinal center line relative to the filter screen so as to wipe the outer wall face of the filter screen; and a rotation operation member disposed at the bottom and exposed; and the rotary operation component is configured to be in transmission arrangement with one of the filter screen and the ash remover. According to the scheme, the cleaning process of the filter screen is simplified, and the cleaning efficiency is improved.