655results about "Suction hoses" patented technology

Assemblies and method to extract a material from a material source may include a vacuum and material collector assembly to enhance extraction of the material from the material source. The vacuum and material collector assembly may include a material collector comprising a high volume pressure vessel having an interior and a high-pressure vacuum source pneumatically coupled to the pressure vessel. The vacuum source is operable to generate a high-pressure vacuum of a fluid flow through the interior of the pressure vessel to extract the waste material from the waste material source into the interior of the pressure vessel. The vacuum source may be connected to the pressure vessel of the material collector to form a unified vacuum and material collector assembly which may be supported on a single mobile chassis.

A cordless vacuum cleaner is provided. The cordless vacuum cleaner includes a plurality of batteries and a method of controlling the same are provided. The cordless vacuum cleaner includes a main body, a suction fan, a suction motor arranged inside the main body and configured to rotate the suction fan, a charging circuit configured to charge the main body, a plurality of batteries charged and discharged through the charging circuit, memory storing one or more computer programs, and one or more processors communicatively coupled to the suction motor, the charging circuit, the plurality of batteries, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the cordless vacuum cleaner to, based on state information about each of the plurality of batteries, control discharge of each of the plurality of batteries, and the state information includes a battery discharge amount of each of the plurality of batteries.

A dust collecting attachment includes a dust suction portion and a main body. The main body has a dust collection passage communicated with the dust suction portion. The dust suction portion has a negative pressure by exerting a suction force to the dust collection passage from a hose. The dust suction portion includes an inner pipe through which a tip tool passes, a first dust suction flow passage, and a second dust suction flow passage. The first dust suction flow passage opens a first suction opening to a side of a workpiece in an outside in a radial direction of the inner pipe and is communicated with the dust collection passage. The second dust suction flow passage opens a second suction opening to an opposite side of the workpiece in the outside in the radial direction of the inner pipe and is communicated with the dust collection passage.

A vacuum conduit pipe adapter includes a hollow body extending from a first end to a second end, a vacuum conduit connector positioned at the second end of the hollow body and operable to connect the vacuum conduit pipe adapter to a vacuum system, and a pipe connector positioned at the first end of the hollow body. The pipe connector includes a plurality of cylindrical fitments, where each fitment is formed circumferentially about a respective central axis and includes an inner surface having an inner diameter sized to receive a pipe having a different diameter than the other fitments. The central axis of each fitment is radially offset from the central axis of each other fitment.

A vacuum cleaner including a cleaner body and a brush device connected to the cleaner body. The cleaner body may be configured to perform self-diagnosis on each element of the vacuum cleaner by comparing a flow path pressure value of the vacuum cleaner which is detected by using a pressure sensor mounted to a portion of a suction duct and data related to a load of a brush device with reference values stored in a memory, and to output a result of the self-diagnosis.

A cleaner includes a rotation prevention assembly which selectively fixes a first rotation member that rotates the body about a first rotational axis and a second rotation member that rotates the body about a second rotational axis. The rotation prevention assembly includes: a catching groove in the first rotation member; and a fixing member rotatably coupled to the second rotation member and inserted into the catching groove. The fixing member extends in the direction of gravity and freely rotates. When the angle between the second rotational axis and the ground is greater than a predetermined angle, the fixing member is caught by the catching groove, preventing rolling, and yawing allows the cleaner to be operated. When the angle between the second rotational axis and the ground is less than a predetermined angle, the fixing member is not inserted into and caught by the catching groove, and rolling prioritizes over yawing.

A cleaning tool adapted to couple with a hose of an extraction cleaner including a suction source is disclosed. The cleaning tool includes a tool body defining a suction pathway in fluid communication with the suction source. A removable tank defines an access opening to a reservoir. A hose adapter defines an outlet to the suction pathway. A suction nozzle defines a suction nozzle inlet in fluid communication with the suction pathway. An agitator block coupled to the suction nozzle, wherein the agitator block is adjustable between an agitation position and a self-clean position.

A motor assembly including a rotor rotatable about a rotating shaft; a stator formed as a continuous body and including multiple teeth areas, multiple body areas disposed outside of the multiple teeth areas and having a first width in a cross section of the stator in a direction perpendicular to a rotational axis of the rotating shaft, with the plurality of teeth areas extending from the plurality of body areas in a direction toward the rotating shaft, and multiple connection areas connecting multiple body areas; and a coil wound around each of the multiple teeth areas, wherein each of the multiple connection areas has a bending point having a second width in the cross section of greater than or equal to 0.05 and less than or equal to 0.25 of the first width, and is in contact with another connection area with reference to the bending point.

The present disclosure relates to a cleaner station, and a flow path switching module according to the present disclosure is disposed between a dust collecting flow path, a first cleaner flow path, and a second cleaner flow path and configured to selectively connect the dust collecting flow path to the first cleaner flow path or the second cleaner flow path, and the flow path switching module is separably coupled to a housing, such that the flow path switching module may be easily separated and easily cleaned.

The present disclosure relates to a cleaner station, to which a cleaner may be coupled, and a method of controlling the same, and more particularly, to a cleaner station and a method of controlling the same, in which the cleaner station has a dust bag and a dust collection device for emptying a dust bin of the cleaner, and the cleaner station includes a bag compressing member and a bag joining device, which may reduce a volume of the dust bag by discharging air in the dust bag and compressing the dust bag, and seal the dust bag to prevent dust from scattering at the time of removing the dust bag, such that user convenience may be improved during the process of removing the dust bag, diseases such as respiratory diseases caused by dust spoilage and scattering may be prevented, and hygiene may be improved.

A hose-and-wand assembly for use with a surface cleaning apparatus having a handheld portion and a base assembly includes a flexible suction hose having first and second working positions, electrical conductors connected to or carried by the flexible suction hose, and a rigid wand body. The wand body defines an elongated slot and surrounds a wand cavity that is contiguous with the elongated slot. End couplers are connected to opposite ends of the hose and releasably connectable a respective one of the base assembly and the handheld portion. The end couplers each have electrical contacts connected to the electrical conductors. The elongated slot is configured to admit the flexible suction hose into the wand cavity for stowage therein in the first working position and release the flexible suction hose from the wand cavity in the second working position.

A nozzle with a knee and housing unit for attachment to hose of a vacuum cleaner with an elongated unit for contact with suction area, as a floor. Housing and elongated unit are flexible joined so for easy maneuverability of nozzle. The elongated unit forms a thin and flat narrow shape which is partially enclosed and has a certain air volume capacity. The elongated unit is made narrower towards the end from knee and housing unit and has a flat floor surface and panel with suction openings facing suction area. The air suction openings have different diameters and size based on distance from source of air suction which optimize the effect of suction and allows suction from all directions.

The utility model discloses a splicing type pipe fitting for a dust collector, and belongs to the field of dust collection devices. A splicing type pipe fitting for a dust collector comprises a dust collector body, a hose, a handheld bent pipe, a standard pipe, a connecting pipe head and a dust collection head which are sequentially connected and fixed. According to the utility model, the splicing type standard pipe design is introduced, so that a user can freely combine a plurality of sections of standard pipes according to personal requirements and cleaning scenes, the cleaning range of the dust collector is expanded, the requirements of different users are met, the design of threaded connection and the pressing mechanism is adopted, the firm connection between the standard pipe and an adjacent pipeline is ensured, and the cleaning effect is improved. The problems that in a traditional dust collector, the length of a supporting rod is inconvenient to adjust, and a connecting part is loosened are effectively solved, the situation that dust and sundries overflow under the condition that the dust collector body is used for a long time and vibrates is reduced, the overall use reliability of the dust collector is improved, and better cleaning experience is brought to a user.

The utility model discloses a spiral hose mounting device for a dust collector, which belongs to the technical field of hose connection and comprises a bottom plate, and an automatic locking mechanism is mounted on the left side of the upper end of the bottom plate. A follow-up propelling mechanism is mounted on the right side of the upper end of the bottom plate; the follow-up propelling mechanism comprises a fixing assembly and a driving assembly; the driving assembly is installed in the middle of the upper end of the bottom plate. The fixing assembly is installed on the driving assembly and connected with the driving assembly. The dust collector connecting piece is installed on the fixing assembly. The left end of the spiral hose is connected with the automatic locking mechanism, and the right end of the spiral hose is in threaded connection with the dust collector connecting piece. Through cooperation of the driving assembly and the automatic locking mechanism, the spiral hose can be automatically connected with the dust collector connecting piece, centering screwing of the spiral hose and the dust collector connecting piece can be kept, the connecting accuracy is guaranteed, and the connecting quality is improved; and additional labor force for manually holding the spiral hose can be reduced through the fixing assembly, and the practicability of the device is improved.

The utility model discloses a dust collector folding pipe structure capable of being quickly folded by pulling of a trigger, which comprises the trigger, a folding pipe and a folding pipe, the lever assembly is arranged at one end of the trigger, and the trigger drives the lever assembly to move; the sub-machine push rod assembly is arranged at the end, away from the trigger, of the lever assembly, and the lever assembly drives the sub-machine push rod assembly to move; the folding pipe push rod assembly is arranged at the end, away from the lever assembly, of the sub-machine push rod assembly, and the sub-machine push rod assembly drives the folding pipe push rod assembly to move. Compared with the prior art, the folding pipe of the dust collector can solve the problems that a user needs to bend down to operate the folding pipe when the folding pipe of the dust collector is folded only by actively pressing a button on the folding pipe, so that the operation is inconvenient, and the use experience of the user is influenced.

A hand vacuum cleaner has a cyclone having a cyclone axis of rotation that extends between the front and rear ends of the cyclone. A main body houses a suction motor. The suction motor is positioned at a lower end of the main body and forward of a battery pack provided at a lower end of a pistol grip handle.

The invention relates to the technical field of cleaning equipment, in particular to a blowing and sucking integrated dust suction device which comprises an airflow circulation part and a dust separation execution part, the airflow circulation part comprises at least two stages of venturi tubes which are sequentially connected in series and communicated, and the venturi tubes are covered with collecting covers; a collecting cavity is formed in the collecting cover, a collecting opening and a backflow opening which are communicated with the collecting cavity are formed in the collecting cover, a backflow pipeline is connected between the backflow opening and the Venturi tube located above the backflow opening, negative pressure is formed around after airflow is sprayed out from the spraying opening at a high speed, and negative pressure suction carries dust-containing gas to enter the collecting cavity from the collecting opening. Then the air flow sequentially passes through the backflow opening and the backflow pipe to re-enter the acceleration channel; a traditional'single-stage acceleration-separation 'open-loop mode is broken through, a'kinetic energy recovery-secondary acceleration-enhanced separation' closed-loop system is constructed through countercurrent coupling of the Venturi tube and the cyclone separator, the closed-loop system completely isolates dusty gas from leaking out, and dual improvement of the energy utilization rate and the dust removal efficiency is achieved.

A reconfigurable upright surface cleaning apparatus comprises a surface cleaning head and a support structure moveably mounted to the surface cleaning head. The support structure comprises a lower portion having a lower longitudinal axis and an upper portion having an upper longitudinal axis, the lower portion having a lower end moveably coupled to the surface cleaning head and an upper end that is rotatably coupled to the upper portion about a rotational axis that is generally transverse to the forward direction, wherein, the support structure is reconfigurable between a first configuration in which the lower portion and the upper portion are generally aligned with each other and an operating position in which the lower portion is rotated rearward with respect to the surface cleaning head and the upper portion is rotated in the forward direction with respect to the lower portion. A hand vacuum cleaner comprising a suction motor and an air treatment member is removably mounted to the support structure. An air flow path comprises a flexible hose.

A multifunctional suction nozzle (20). The multifunctional suction nozzle (20) comprises a dust suction head (201) and a brush head (202), the brush head (202) being movable with respect to a main body (2011) of the dust suction head (201), and a locking assembly being provided between the brush head (202) and the dust suction head (201). When not in use, the multifunctional suction nozzle (20) can be accommodated in an extension tube (21) to form a suction assembly (2), and the suction assembly (2) can be connected to a floor brush assembly (3) and a vacuum cleaner main unit (1) so as to clean the ground.

The present disclosure relates to a dust collection device, including a dust collection body and a dust collection box inserted into the dust collection body, where the dust collection body has a connecting part for accommodating the dust collection box; an outer surface of one of a buckle plate of the dust collection box and a first side wall of the connecting part is provided with protruding parts higher than a sealing gasket, and the other one is provided with clamping grooves recessed inwards along an outer surface and matched with the protruding parts; and when the dust collection box is inserted into the dust collection body, the protruding parts slide along the outer surface of one of the first side wall and the buckle plate, such that the friction between the first side wall or the buckle plate and the sealing gasket can be isolated.

A coupling system connects to different suction-air-guiding components of a suction device. The coupling system has a first coupling element with a connecting piece and a second coupling element with a receiving region for the connecting piece. The first coupling element further has a first plug-in unit, and the second coupling element has a second plug-in unit which forms an electrically conductive plug-in connection together with the first plug-in unit of the first coupling element. The connecting piece has a guide contour, and the second coupling element has a guide contour which is complementary thereto. The first plug-in unit has a depression with a wall which, starting from the bearing surface of the first coupling element, extends along the longitudinal axis into the housing of the first coupling element, and the guide contour on the connecting piece of the first coupling element extends along the longitudinal axis into the depression.

A coupling system for connecting different suction air-guiding components of a suction apparatus includes a first coupling element having a tubular connecting piece and a second coupling element having a tubular receiving region for the connecting piece. The first coupling element includes a first plug-in unit and the second coupling element includes a second plug-in unit, which is configured so as to form an electrically conductive plug-in connection with the first plug-in unit of the first coupling element. The connecting piece has a guide contour that faces the first plug-in unit, and the second coupling element has a guide contour that is complementary thereto and that faces the second plug-in unit. A first coupling element and a second coupling element for a coupling system, as well as a suction air-guiding component for a suction apparatus and a suction apparatus, are also provided.

An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and / or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and / or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve. A cleaning composition including an aqueous based cleaning solution mixed, on demand, with an aqueous based oxidizing solution is also provided.

A vacuum cleaner assembly (100) and a connecting pipe accessory (10) thereof. The connecting pipe accessory (10) comprises a first fitting member (11) and a second fitting member (12). The first fitting member (11) comprises a suction portion (111) and a brushing portion (112). The brushing portion (112) is capable of moving on the suction portion (111). The first fitting member (11) further comprises a first connecting portion (113) capable of being connected to a vacuum cleaner body (20). The second fitting member (12) comprises a rod (121), and a second connecting portion (122) used for releasably connecting the second fitting member (12) to the first fitting member (11). When the second fitting member (12) is connected to the first fitting member (11), at least a part of the brushing portion (112) is located outside the second fitting member (12).

A cleaning device including a cleaner and a station on which the cleaner is mounted is provided. The cleaner includes a suction head, a dust container to collect dust contained in air vacuumed through the suction head, and an extension tube connecting the suction head with the dust container. The station includes a main body configured to suck dust of the dust container of the cleaner and contain the dust, a support configured to support the main body and guide rotation of the main body, and a rotation driving device disposed in the support and configured to transmit a rotational force to the support.

A handheld vacuum cleaner (1), comprising a device body (10), a brush member (20), and a driving member (80). The device body (10) is configured to form a dust collection channel (102) having an open end (101), the brush member (20) is slidably supported on the device body (10) and is arranged on the periphery of the dust collection channel (102), and the driving member (80) is in transmission connection with the brush member (20) and is configured to enable the brush member (20) to switch between a first state and a second state. In the first state, the brush member (20) is at least partially exposed from the open end (101) relative to the device body (10); and in the second state, the brush member (20) is hidden inside the device body (10).

The invention discloses a distributed ash removal system which comprises multiple groups of ash removal subsystems and a centralized ash bin, and the ash removal subsystems are arranged in parallel; and each group of ash removal subsystem comprises a dust collection assembly and an ash conveying assembly. When the movable single-point negative-pressure dust collector is used, dust is sucked into the negative-pressure dust collection pipeline communicated with the dust collection tools under the action of negative pressure through the dust collection tools, the negative-pressure dust collection pipeline can be connected with a plurality of dust collection tools, multi-point adsorption is achieved, and the problem that a movable single-point negative-pressure dust collector is poor in use convenience is solved. Dust-containing air in the negative-pressure dust collection pipeline is purified by the dust filtering unit and then discharged by the negative-pressure power unit, and dust collected by the dust filtering unit falls into a dust hopper on the lower portion of the dust filtering unit, is input into the positive-pressure dust conveying branch pipeline and finally falls into the centralized dust bin after being subjected to pressure relief through the bin top dust discharging mechanism, so that centralized treatment is facilitated. According to the distributed ash removal system, a plurality of groups of ash removal subsystems can be flexibly arranged according to the on-site floor distribution of a production workshop and the area of each layer of platform.

Vacuum cleaning devices include foldable wands to provide a storage configuration and / or facilitate use. A vacuum cleaning device includes a wand having a first end coupled to a vacuum unit and a second end coupled to a vacuum head or surface cleaning head. The wand defines an air passage allowing air to pass from the surface cleaning head to the vacuum unit and includes a flexible air passage along at least a portion of the wand. The wand also includes a plurality of segments pivotably connected together such that the wand is foldable about 180° in a forward direction until the vacuum unit is positioned proximate a top of the surface cleaning head, thereby providing a storage configuration.