316results about "Suction hoses" patented technology

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 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.

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 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.

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 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 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).

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.

An adaptor 100 for detachable attachment to a dust extractor attachment for a vacuum cleaner hose, the dust extractor attachment having a body and a tube for attachment to the hose, the body having a

A vacuum attachment tool includes a hollow body extending from a first end to a second end, and a conduit connector disposed at the second end of the hollow body. The hollow body defines a flow path. The conduit connector includes an inner collar having an inner diameter sized to receive a first vacuum conduit having a first diameter. The conduit connector also includes an outer collar having an inner diameter sized to receive a second vacuum conduit having a second diameter greater than the first diameter. The outer collar includes a first tab that includes a plurality of teeth operable to engage a locking mechanism of the first vacuum conduit and the second vacuum conduit. The outer collar is integrally formed with the inner collar.

The invention discloses a high-power dust collector for a cutting bed, which relates to the technical field of industrial dust collectors and comprises a driving box, a dust collecting box and three dust collecting pipes. The fan is driven by the motor to operate, so that negative pressure suction force is generated in the dust collecting pipe, gas drives cloth fibers of the seta layer to enter from one or more integrated pipes, the gas passes through a dust collecting pipe cavity, flows through a dust collecting pipe fixing opening, then is converged, passes through a gas flowing channel, enters the dust collecting box, and is discharged from the dust collecting box. Dust and cloth fibers are blocked by the dust collecting box; by arranging the structure, the air circulation channels in the three dust collection pipes are independent of one another, direct interference between airflow of the adjacent dust collection pipes is avoided, negative pressure of each dust collection pipe cavity is evenly distributed, it is ensured that each dust collection pipe head can obtain stable suction force in a balanced mode, and the dust collection efficiency is improved. And when a certain suction port loses efficacy due to blockage, other suction ports can still work normally, it is ensured that cloth fibers of all parts of the cutting bed can be effectively sucked away, and the cleaning efficiency is improved.

The utility model relates to the technical field of dust collectors, in particular to a combined dust collector metal pipe which comprises a dust collection pipe and a locking piece, the dust collection pipe comprises a first-stage pipe and a second-stage pipe, a corrugated pipe is connected between the first-stage pipe and the second-stage pipe, and a bending assembly is arranged between the first-stage pipe and the second-stage pipe. The bending assembly is used for changing the included angle between the axis of the first-stage pipe and the axis of the second-stage pipe, a connecting concave end is arranged at the end of the first-stage pipe, a connecting convex end is arranged at the end of the second-stage pipe, the connecting concave end of one dust suction pipe is detachably matched with the connecting convex end of the other dust suction pipe, and the locking piece is used for fixing the connecting concave end and the connecting convex end. The cleaning device has the effects of saving the packaging cost and adapting to cleaning of different low spaces.

A mounting system for a central vacuum system hose valve box operable for secure attachment to a wall stud or frame member. The system includes flanges at the front of the valve box for attachment of either the left or right side of the front of the box to a stud or frame member. An additional rear bracket is provided for attachment of the rear of the valve box to the same wall stud or frame member. These dual attachments provide a firm and secure mount of the valve box to the wall stud, thus avoiding damage or disconnection encountered by other flimsy mounts. This configuration ensures a robust and reliable connection, maintaining the operational integrity of the vacuum hose system while providing ease of installation and maintenance.

A station apparatus performs a dust discharging operation when it is identified that a suction power decrease amount of a cordless vacuum cleaner is equal to or greater than a pre-set threshold suction power decrease amount, based on information about the suction power decrease amount of the cordless vacuum cleaner received from the cordless vacuum cleaner.

A vacuum cleaning system comprising: - a robotic vacuum cleaner unit (30); - one or more docking stations (20) for the robotic vacuum cleaner unit; - one or more suction hoses (2) connected to a central unit (3), each suction hose being storable in a storage space (7) in or adjacent to one of the docking stations and being provided with an end fitting (10) having a first coupling part (14a) that is connectable to a second coupling part on the robotic vacuum cleaner unit. The end fitting is received in a holder (27) in the docking station when the suction hose is in a retracted end position in the storage space. The second coupling part is connectable to and disconnectable from the first coupling part (14a) when the end fitting is received in said holder and the robotic vacuum cleaner unit is positioned in a predefined docking position in the docking station.

A wet / dry surface cleaner has a surface cleaning head and an upright section moveably mounted to the surface cleaning head between an upright storage position and a reclined surface cleaning position. A solid and liquid separation stage is removably positionable on the upright section. The solid and liquid separation stage has a solid and liquid collection chamber that has a liquid porous divider provided therein. A liquid collection region is located below the divider and solid material collects on the liquid porous divider. An inlet conduit extends upwardly through a lower wall of the solid and liquid collection chamber and an internal wall partially surrounds an outlet end of the inlet conduit.

The utility model discloses an anti-blocking hose mechanism of a dust collector barrel, which comprises a dust collector barrel main body, a hose main body is fixedly sleeved outside the dust collector barrel main body, a guide head is arranged at the side part of the hose main body, a protection mechanism is arranged between the hose main body and the guide head, and the protection mechanism comprises an accommodating frame and a protection frame, the end of the hose body is fixedly connected to the side of the containing frame in a penetrating mode, the protection frame is slidably connected into the containing frame in a penetrating mode, a shielding ring is arranged in an inner cavity of the protection frame, and a shielding plate is fixedly connected between the outer wall of the shielding ring and the inner wall of the protection frame. The accommodating frame, the connecting frame, the protective frame, the shielding ring and the shielding plate are matched with one another, the accommodating frame and the connecting frame are used for connecting the hose main body and the guide head, the protective frame is used for supporting the shielding ring and the shielding plate, and the shielding ring and the shielding plate are used for shielding large-area impurities to prevent suction; and therefore, anti-blocking protection can be conveniently carried out on the interior of the hose.

The remote control dust collector with the anti-blocking effect comprises a dust collector body, the dust collector body comprises a device shell, a dust collection module, a dust collection pipe and a dust collection barrel, the dust collection module is arranged at one end of the device shell, and the dust collection pipe and the dust collection barrel are arranged in the device shell; the filter assembly comprises a filter cartridge and a connecting ring plate, the filter cartridge is coaxially arranged in the dust collection pipe, the diameter of the filter cartridge is smaller than the inner diameter of the dust collection pipe, and a plurality of filter holes are formed in the ring wall of the filter cartridge and the side wall, away from the dust collection module, of the filter cartridge; the connecting ring plate is connected to the outer ring wall of the end, close to the dust collection module, of the filter cartridge, the outer ring wall of the connecting ring plate abuts against the inner ring wall of the dust collection pipe, and an air inlet is formed in the side, close to the dust collection module, of the filter cartridge. The dust collector has the effects of improving the dust collection efficiency and reducing the blocking possibility of the dust collector.

A docking station has an openable dirt collection region which, during an evacuation operation of the docking station, receives dirt that is transferred from a surface cleaning apparatus; and a lock having a locked position in which the dirt collection region is secured in a closed position, and an unlocked position in which the dirt collection region is openable. During the evacuation operation, the lock is inhibited from moving to the unlocked position.

A system for removing trash items from a space includes employing an autonomous robot to detect trash within the space, to approach the trash item upon detection and to remove the trash item from the space. The autonomous robot may have two or more trash bins with each trash bin being designated to be filled with a particular category of trash. The categories of trash may be different from one another. The autonomous robot is configured to detect the trash category of the trash item that will be picked up and, after picking up the trash item, to insert it in the appropriate trash bin. This way, the autonomous robot can collect and sort trash items according to their kind. A pan with sweeper arms can be used by the robot for collecting a trash item. In another approach, a trash item can be suctioned by the robot using vacuum.

A high pressure connector assembly may include an elastomeric connector comprising an approximately perpendicular flange at a distal end thereof and an opening therethrough; and a rigid compression fitting having an opening aligned with the opening of the elastomeric connector. The high pressure connector assembly may be used with a high pressure converter hose. Kits may include the high pressure connector assembly and a spray head. Related methods include attaching the converter hose to a high flow rate fixture.

The vacuum cleaner duct (5) comprises: first and second rigid duct portions (7, 8); a hinge arrangement (9) configured to allow the first and second rigid duct portions (7, 8) to pivot between an unfolded configuration and a folded configuration; and a flexible conduit (15) fluidly connecting the first and second rigid conduit portions (7, 8), the flexible conduit (15) comprising a flexible tubular portion (19), a first securing ring (21) secured to a first end of the flexible tubular portion (19) and configured to be removably secured to the first rigid conduit portion (7), and a second securing ring (22) secured to a second end of the flexible tubular portion (19) and configured to be removably secured to the second rigid conduit portion (8). And a second securing ring (22) secured to a second end of the flexible tubular portion and configured to be removably secured to the second rigid conduit portion (8).

The utility model relates to cleaning equipment. The cleaning equipment comprises a machine body, a floor brush assembly and a bent pipe connecting assembly. The machine body comprises a vacuum source; the floor brush assembly is provided with an air inlet pipe connected to a vacuum source. The bent pipe connecting assembly comprises a bent pipe connecting piece and a flexible hose. One end of the elbow connecting piece is rotationally connected with the machine body, and the other end of the elbow connecting piece is rotationally connected with the floor brush assembly; the flexible hose is rotationally connected with the air inlet pipe through the bent pipe connecting piece. When the cleaning equipment is used, due to the fact that the flexible hose can be driven by the bent pipe connecting piece to integrally rotate relative to the air inlet pipe of the floor brush assembly, the phenomenon that the flexible hose is twisted in the extending direction of the length of the flexible hose can be effectively reduced, the deformation direction of the flexible hose is effectively reduced, and the service life of the cleaning equipment is prolonged. The damage to the flexible hose is small, the service life of the flexible hose is prolonged, the resistance of a user in the using process is reduced, the using process is smoother, and then the user experience feeling is good.

A coupling system (140) for connecting different suction air-conducting components (110, 120, 130) of a suction device (100) is described. The coupling system (140) comprises a first coupling element (141) with a tubular connecting piece (214) and a second coupling element (142) with a tubular receiving area (224) for the connecting piece (214). The first coupling element (141) further comprises a first plug-in unit (211, 212), and the second coupling element (142) comprises a second plug-in unit (221, 222) which is designed to form an electrically conductive plug connection with the first plug-in unit (211, 212) of the first coupling element (141). The nozzle (214) has a guide contour (331) facing the first plug-in unit (211, 212), and the second coupling element (142) has a complementary guide contour (431) facing the second plug-in unit (221, 222).

A coupling system (140) for connecting different suction air-conducting components (110, 120, 130) of a suction device (100) is described. The coupling system (140) comprises a first coupling element (141) with a tubular connecting piece (214) and a second coupling element (142) with a tubular receiving area (224) for the connecting piece (214). The first coupling element (141) further comprises a first plug-in unit (211, 212), and the second coupling element (142) comprises a second plug-in unit (221, 222) which is designed to form an electrically conductive plug-in connection with the first plug-in unit (211, 212) of the first coupling element (141), and which has a protective wall (410) which projects relative to the contact surface (400) of the second coupling element (142).The connecting piece (214) has a guide contour (331), and the second coupling element (142) has a complementary guide contour (431) which extends starting at the protective wall (410) of the second plug-in unit (221, 222) along the longitudinal axis into the receiving area (224).