509results about How to "Strong suction" patented technology

The invention discloses handheld cleaning equipment. The handheld cleaning equipment comprises an outer casing, a suction pipeline, a separation device, a dust cylinder, a power source, a filtering device, an airflow generator, a motor, an air outlet, a handle and a switch; the rear end of the outer casing is provided with the handle; the center at the front end of the outer casing is provided with the suction pipeline; the separation device is arranged behind the suction pipeline; the dust cylinder is arranged below the separation device; the filtering device is arranged above the separation device; the rear end of the filtering device is provided with the airflow generator; the rear end of the airflow generator is provided with the motor coaxially; the rear end of the motor is provided with the air outlet; the power source is arranged between the handle and the dust cylinder; the handle is provided with the switch. The handheld cleaning equipment has the advantages of being high in reliability, compact in structure, small and exquisite in size, strong in suction, good in filtering performance, low in working temperature, light in weight and convenient to use and having a wide market prospect in a dust collector market.

Suction is gathered up into a suction hole by arranging a driveable belt with small suction holes opened thereon in the suction nozzle, and output of the suction device can be largely reduced by reducing the suction air volume while maintaining strong suction force. A sucking place is also varied by moving the suction holes by driving the belt, and the whole air filter area is cleaned by performing sweeping operation on the air filter in response to operation of the suction nozzle.

A filter for a spa or pool, having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the sheath into the filter. Operation of the spa water circulation system draws spa water into the filter bag pocket while concurrently spa water is drawn transversely through the filter bag sheath and auxiliary spa water openings into the filter body. An O-ring encircles the upper portion of the filter bag to releasably retain such bag to the filter body during operation of the spa water circulation system.

A surface cleaning device comprises a suction nozzle, a water tank, a suction machine set, a suction pipeline and a negative pressure pipeline, wherein the suction nozzle is used for absorbing liquid on the surfaces of objects and outside air in the process of cleaning the surfaces of the objects; the water tank is provided with a cavity and used for collecting the absorbed liquid; the suction machine set is used for generating negative pressure and forming suction force; the suction pipeline is connected between the suction nozzle and the water tank and used for transporting the absorbed liquid and the outside air to the water tank; the negative pressure pipeline is connected between the suction machine set and the water tank and connected with an air path of the suction pipeline through the cavity inside the water tank. The surface cleaning device is characterized in that the suction nozzle, the suction pipeline, the water tank, the negative pipeline and the suction machine set are sequentially arranged from top to bottom; the liquid and the outside air absorbed by the suction nozzle enter the water tank along the same path through the suction pipeline from top to bottom; the liquid absorbed by the suction nozzle is collected by the water tank after entering the water tank; the outside air absorbed by the suction nozzle continues to flow along the path from top to bottom after entering the water tank and is exhausted by the suction machine set after passing through the negative pressure pipeline. The surface cleaning device is simple in structure, and can rapidly absorb the liquid on the surfaces of the objects and collect the liquid in the water tank.

The invention discloses an intelligent control module of a permanent magnet contactor, which mainly comprises a microprocessor, a rectifier and filter, an internal working power circuit, a rechargeable battery control circuit, a closing operation module, an opening operation module, an energy-storage capacitor voltage detection circuit, a control voltage detection circuit, a power off detection circuit, and a key-press setting and display control circuit; wherein, the closing operation module consists of a first MOSFET driving protection circuit and a first MOSFET; and the opening operation module consists of a second MOSFET driving protection circuit and a second MOSFET. The intelligent control module can set delay time parameters of transient interference electricity through key-presses according to requirements of a customer, realizes delay disconnection of the permanent magnet contactor and can ensure the stable and continuous operation of equipment through staying away from influences of interference electricity; and as for conditions of requiring urgent opening operation, the intelligent control module can immediately cut off the contactor through key-press control, so as to ensure the safety of the operating equipment.

The invention relates to a turnable vacuum chuck machine for lifting concrete segment and steel segment, which consists of a support bracket, a vacuum pump, a vacuum gauge, an electromagnetic valve, a turnable hollow sealing beam used as a gasholder and a plurality of vacuum chucks which are arranged on different positions of the hollow sealing beam with a hinge. When working, the whole chuck machine is hooked on a corresponding hoisting device through a wire rope and is attached to an external surface (which can be a plane surface or an arc surface) of the segment of the lifted object depending on the self gravity. The vacuum pump exhausts air in the hollow sealing beam driven by a self-bring motor through the electromagnetic valve to cause the sealing beam to generate certain vacuum; when operates the vacuum switch, the vacuum switch can be caused to be communicated with the vacuum in the hollow sealing beam through a gas source pipeline; the segment can be lifted by the negative difference of the vacuum and atmospheric pressure in the hollow sealing beam. When the lifted object segment needs to be turned, through a power transfer system which consists of a rack, a gear and a driving shaft driven by another motor, the lifted segment can wind around a rotational axis along the hollow sealing beam and arbitrarily turn in a required angle under the support bracket so as to be in favor of the storage and arrangement of the lifted segment. The turnable segment chuck machine adopts purely mechanical structure and has reliable suction crane as well as turns steadily. The invention can turn and stop in any angle with simple and flexible operation as well as convenient maintenance.

A surface cleaning device capable of spraying mist or spraying water is characterized by comprising a mist spraying or water spraying device, a suction nozzle, a first water tank and a suction unit. The mist spraying or water spraying device is used for spraying cleaning liquid or vaporific cleaning liquid to the surface of an object to be cleaned. The suction nozzle is used for sucking the liquid sprayed on the surface of the object and outside air when the object surface is cleaned. The first water tank is provided with a cavity and used for collecting the sucked liquid. The suction unit is used for generating negative pressure, forming suction force, enabling the sucked liquid to enter the first water tank and discharging the sucked outside air. The surface cleaning device capable of spraying mist or spraying water not only has the functions of cleaning and suction, but also has a function of spraying mist or spraying water, and is convenient to use due to the fact that an additional independent mist spraying or water spraying device does not need to be additionally purchased.

The present application provides an autonomous cleaning robot, the robot comprises: a robot body, comprising an assembly section and a suction port; a drive system, comprising drive wheels, the drive wheels being disposed on opposite sides of the robot body and configured to drive the robot body to move; a control system, disposed on the robot body and configured to control the drive wheels; a dust suction assembly disposed in the assembly section, an air inlet channel of the dust suction assembly being communicated with the suction port, and the dust suction assembly being used to suck dust under a negative pressure; and a variable dust collection channel disposed at peripheral of the suction port, the variable dust collection channel being used for sweeping and scraping to collect dust in a first state and used for forming a dust suction channel communicated with the suction port in a second state.

A separation apparatus (1) for separating a thin-film flexible stacked body (3) from a component (16) where the thin-film flexible stacked body (3) including an element layer is formed over a rigid substrate (2) such as a glass substrate, a quartz substrate, a ceramic substrate, or a metal substrate is provided. The separation apparatus (1) mainly includes a fixing device (10) for fixing the substrate (2) of the component (16), suction jigs (11) for lifting the flexible stacked body (3) by suction to be separated, circular suction pads (13) that are brought into direct contact with the flexible stacked body (3) and attached to the flexible stacked body (3) by suction, and clamp jigs (9) for holding an edge of the flexible stacked body (3). A position sensor such as a laser measuring instrument for measuring or monitoring a separation state of the flexible stacked body may be used together.

The invention relates to a radio knife which comprises a knife handle; the front end of the knife handle is provided with a knife head, and the knife handle is internally provided with a catheter the rear end of which is communicated with a flushing pipe and a suction pipe; and the inner walls of the catheter, the flushing pipe and the suction pipe are provided with spiral grooves. The radio knife can realize the functions of the suction pipe and the flushing pipe by the single pipe, has simple structure, and is conveniently switched for use; the radio knife has strong suction force, rapid suction speed and good effect, avoids residual suction matter returning back to the wound when in flushing so as to have good flushing effect, and also can make the actions such as blunt cutting, scraping, poking and the like so as to have rich functions; and furthermore, the radio knife can adjust the suction and flushing range and strength, thus being capable of adapting to the requirements of different operations.

The invention relates to an automatic fetching device of an injection molding machine, which comprises an injection molding machine frame, wherein the machine frame is provided with an injection device; a fixed die plate on the machine frame is connected with a movable die plate and a back die plate through guide posts; the fixed die plate and the movable die plate are respectively provided with an injection die; a die cavity is arranged in the injection die; a fetching plate is arranged in the machine frame; a material absorption device and a push-out device are arranged in the fetching plate; the fetching plate is driven by an elevating gear; and the elevating gear is installed on a steady rest. The invention is characterized in that the elevating gear comprises a fixed rack arranged inthe fixed rack and an elevating guide rail, the fetching plate is connected with the elevating guide rail, one side of the fetching plate is provided with a movable rack, and the movable rack and thefixed rack mesh with the elevating gear driven by power. In the scheme of the invention, the elevation of the fetching plate is controlled by a multiple-path mechanism, which is formed by that the movable rack and the fixed rack mesh with the elevating gear, and the stroke of the fetching plate can be multiplied by twice or more than twice; and thus, the invention reduces the occupation space, decreases the height of the machine frame, has a high elevation speed, shortens the time and enhances the work efficiency.

A biopsy device, comprising a flexible coaxial structure, comprising an obturator within a sheath, the obturator being adapted to be displaced with respect to the sheath along the coaxial axis by a force applied at a proximal end; a disruptor, at a distal end of the obturator, adapted to disrupt a tissue surface to free cells therefrom, having a first position covered within the sheath and a second position freely extending beyond the sheath; an element, having a fixed position on the obturator, and a close clearance with respect town inner surface of the sheath, such that a retraction of the obturator within the sheath causes an associated change in pressure in a space between the obturator distal to the element and the sheath, to thereby draw fluid proximate to an end of the sheath within the sheath.

A filter for a spa or pool, having a filter body which receives a filter bag having a sheath encompassing the exterior of the filter body and a pocket extending inwardly from the front end of the sheath into the filter. Operation of the spa water circulation system draws spa water into the filter bag pocket while concurrently spa water is drawn transversely through the filter bag sheath and auxiliary spa water openings into the filter body. An O-ring encircles the upper portion of the filter bag to releasably retain such bag to the filter body during operation of the spa water circulation system.

The present invention relates to an automotive ventilation system which is particularly used for car, which is provided with an outer air pipe (3) for inputting outer air into a carriage (2). The outer air passage is provided with a filter (4) and a controllable switching valve (5) thereby sucking the outer air with filtering or without filtering (bypass operation) selectively. The automotive ventilation system also comprises a circulating air pipe (6) and an inlet air pipe (7). The circulating air pipe is used for conveying the inner air from the carriage (2). Furthermore the inlet air pipe is provided with a control valve (8) so that the amount of circulating air can be adjusted proportionally with the amount of outer air. The inlet air pipe is provided with a ventilation device (9) and a cooling heating device (10). The outer air pipe (3) and the circulating air pipe (6) are communicated with the inlet air pipe (7). The inlet air pipe (7) is provided with the other air filter (11). Thus a particularly effective high-efficiency filter (4) is allowed to be used.

The invention discloses underwater chained cleaning equipment for a hull, comprising a steering driving hydraulic motor, a strong magnet wheel, a chained movable carrier, a high-speed hydraulic motor, a monitoring camera, a high-frequency vibration cleaning blade, a positioning mechanism, an elastic positioning block, a moving rod mechanism and an eccentric mechanism, wherein the strong magnet wheel is used for supplying strong attraction force to prevent being separated from the hull during walking on the hull, the chained movable carrier is provided with a plurality of movable joints with respect to that the hull has certain radian, can prevent the mechanisms from difficult walking when walking along the radian hull, ensure dead angle cleaning and promote the equipment to walk on any part of the hull for cleaning, and universal wheels are arranged below the positioning mechanism so as to sense the evenness change of the cleaned part of the hull and elevate or descend the elastic positioning block, which is reflected by the position change of the movable rod mechanism so as to finally achieve the position adjustment of the high-frequency vibration cleaning blade and ensure that the blade cannot scratch the hull.

A cold-pneumatic spray coating method and apparatus by feeding powder at downstream is disclosed. Said method includes such steps as heating the working gas, delivering it to upstream of the flow channel in Laval nozzle, using the carrying gas to deliver the metallic powder to be sprayed to the downstream divergent segment via powder delivering tube, accelerating it by working gas, and spraying it. The cross-section the flow channel in divergent segment is elliptical or the combination of ellipse and rectangle. Its advantage is no pollution and blocking of nozzle throat.

A method for conveying material by applying a pressure difference in a conveying conduit (4), in which method the material is fed into the conveying conduit (4) and in the conveying conduit further into a separating device (5), where the material being conveyed is separated from conveying air, in which method a negative pressure is created in the conveying conduit (4) by means of an ejector apparatus (6), whose suction side is connected to the separating device (5), said ejector apparatus being operated using an operating medium consisting of a liquid mist, especially an aqueous liquid mist, said medium being sprayed through at least one spraying nozzle (122) into an ejector tube (128) directed into a separating element (38). In the method, the generation of the negative pressure to be produced is intensified according to need by limiting the flow of gases, such as air, into the ejector tube (128) from the direction opposite to the spraying direction of its operating medium, i.e. from the outlet end (129) of the ejector tube. The invention also relates to an apparatus and an ejector device.

A suction cleaner that sucks in dust, from a suction mouth of a suction mouth body, with airflow generated through operation of an electric air blower and introduces the sucked airflow into a dust collection device to collect the dust. The suction mouth body is provided with a first suction mouth and a second suction mouth. An agitator is arranged at the first suction mouth. The first suction mouth is selected by a suction mouth-switching device, and the agitator is driven when the suction is carried out from the first suction mouth. A mechanism for transmitting power to the agitator includes a driving pulley that co-rotates with the agitator, an idler that can be rotated independently of the agitator, and a belt that is shifted between the driving pulley and the idler by a belt-switching device.

The invention provides a pumping conveying vehicle. The pumping conveying vehicle comprises a vacuum unit, a filtering device, a material storing chamber, a pumping arm and an unloading device which are arranged on a vehicle chassis, wherein the filtering device is respectively communicated with the vacuum unit and the material storing chamber; a material storing chamber top cover which can be opened is designed at the top of the material storing chamber, a channel where air flow is transmitted is designed in the material storing chamber top cover, and the filtering device is communicated with the material storing chamber by the aid of the channel; a pumping tube is attached to the pumping arm, spatial orientation is performed with the movement of the pumping arm, the vacuum unit passes through the filtering device and the channel in the material storing chamber top cover, an inner cavity of the material storing chamber is pumped to form a semi-vacuum state, by means of pressure difference of the inner cavity of the material storing chamber and atmosphere, the pumping arm drives the pumping tube to move so that a material to be pumped is pumped into the material storing chamber, and during unloading, the unloading device turns over the material storing chamber so that the material is unloaded by the aid of gravity of the material.

The disclosure aims to provide a ventilator module with improved efficiency. The ventilator module employs the dual structure of fans includes a swirler fan and a suction fan, in which the swirler fan is disposed at the front side and the suction fan is disposed at the rear side of the swirler fan so that a swirl formed by the drive of the swirler fan forms a donut-like low pressure zone around an inlet, and a tornado is formed by rotating the donut-like low pressure zone by the drive of the suction fan thereby cause the air below swirler fan to ascend at high velocity so as to be suctioned and discharged.

The invention discloses cotton dust removal recycling equipment for producing colored spun yarns, and relates to the field of technologies for producing colored spun yarns. The cotton dust removal recycling equipment comprises a base tank. A first motor is fixedly connected with the bottom of the inner wall of the base tank, a transmission shaft is fixedly connected with an output shaft of the first motor by a coupling, a first conical gear is fixedly connected with the end, which is far away from the first motor, of the transmission shaft, a second conical gear meshes with the top of the first conical gear, a rotary shaft is fixedly connected with the axis of the second conical gear, a rotary tank is fixedly connected with the top of the rotary shaft, and suction fan blades are fixedly connected with an output shaft of a second motor. The cotton dust removal recycling equipment for producing the colored spun yarns has the advantages that strong suction can be generated by the cotton dust removal recycling equipment, suction of fans can be optimally utilized, cotton dust in contact with water can settle without blocking machines after the cotton dust is sucked into the machines, accordingly, effects of quickly removing the dust can be realized, and the work efficiency of the machines can be greatly improved.

In a suction nozzle (20), a sucking surface (60) is made larger in area than a to-be-sucked surface of a component (55) and is configured arbitrarily so long as a width (G1) between mutually-opposed sides parallel to a longer side (110) of the component to be sucked is smaller than a width (G2) in a direction parallel to a shorter side (111) of the component to be sucked. The suction nozzle sucks a component at its sucking surface, with a longitudinal axis (O) of the sucking surface (60) kept inclined with respect to a direction (J) in which the component is supplied.

The invention discloses a fruit picking platform. The fruit picking platform comprises a fruit collecting device for collecting fruits, a picking manipulator movably arranged on the fruit collecting device, and a fruit scissoring device arranged on the picking manipulator. The picking manipulator is used for guiding the fruits to the fruit collecting device, and the fruit scissoring device is usedfor scissoring stems of the fruits. The fruit picking platform has the advantages that the fruits are grabbed through negative pressure and are conveyed through a pipeline, so that the working efficiency is greatly improved, and the working difficulty is greatly reduced.

The invention discloses a novel flue check valve which comprises an installing pipe, a circular base and a smokeproof cover plate. A fixing plate is arranged on the outer wall of the installing pipe, and the circular base is arranged in the inner cavity of the installing pipe. The sealing end surface of the circular base is slantwise arranged relatively to the axial plane of the installing pipe. The upper end of the smokeproof cover plate is rotationally connected with the upper end of the circular base through an articulated mechanism. Magnetic drawing devices are arranged on the smokeproof cover plate and the circular base. Cover plates are respectively arranged on the smokeproof cover plate and the circular base, and cover the magnetic attracting devices. A sealing cushion is arranged on the sealing contact surface between the smokeproof cover plate and the circular base. The novel flue check valve has the advantages of reasonable design, simple structure, good sealing effect, smooth gas exhaust, long service life, multiple functions and wide application, is particularly suitable for down-draught prevention of public flues of multi-floor or high-floor buildings, is favorable for environment protection, and has good economic benefit.

The invention aims to provide a device with a leaf sucking function on a mower, and discloses a mower. The technical scheme includes that the mower comprises a mower body (1), an engine (2) and blades (3), the engine (2) is fixed onto the mower body (1), and a rotary shaft of the engine (2) is connected with the blades (3). The mower is characterized by further comprising a first block piece (4) and a second block piece (5), the first block piece (4) and the second block piece (5) are made of flexible materials and are used for blocking a gap formed by the mower body (1) and the ground, the first block piece (4) is connected with the left side wall of the mower body (1), and the second block piece (5) is connected with the right side wall of the mower body.

The invention discloses a material binding machine. The material binding machine comprises a plurality of paper storage boxes, a paper taking device, a tidying device, a binding device and a base, wherein the plurality of the paper storage boxes are used for storing paper to be bound; the paper taking device is used for taking the paper out from each paper storage box and feeding the paper to a tidying area; the tidying device is used for tidying a whole document in sequence for binding; the binding device is used for binding the tidied paper; the base is used for supporting the devices, and provides the paper storage boxes and the tidying area through a bottom plate thereof. According to the material binding machine disclosed by the invention, a plurality of pages of documents are tidiedinto a whole document in sequence automatically according to setting, and is collected into an accommodating device through overturning after being bound, so that the labour intensity is greatly reduced, the work efficiency is improved, and the paper can also be prevented from being folded or damaged because of unbalance of an adsorption position. The material binding machine disclosed by the invention is simple in structure, reliable in action, suitable for various places, such as material tidying, file tidying and book tidying, and wide in application.

The present invention relates to cold gas powered spraying method and device for spraying metal powder to the surface of sample or workpiece to form coating. The present invention features that work gas is first heated, then fed to the converging section in the upstream of the nozzle flow passage, and expanded and speeded in the divergent section of the nozzle, while the metal powder to be sprayed is fed directly to the converging section in the upstream of the nozzle through the powder feeding channel and two powder exhausting holes in some angle with the axis of the nozzle. The present invention has no contamination and jamming of the nozzle caused by the sprayed powder and easy manufacture of the nozzle.

A disposable saliva ejector that utilizes a single planar, double leaf shaped plate design that is embossed on their inner faces with a series of arced ribs and folded about its midpoint. A tab and slot arrangement about the center of the plates, joins the two plates. The distal tips are held together by a dovetail arrangement on raised pads at the distal tips of each plate. The distal and proximal tips are also held in operational contact by the suction forces passed through the device. The arced ribs form a series of channels about perimeter of the device. A trough runs along the linear axis of both of the plates to direct any fluid and debris that is sucked into the channels into a connected suction tube. Placement of the saliva ejector within the mouth lies along the interior of the patient's cheek, keeping the oral cavity clear of viewing obstructions. The discharge end connects to a discharge tube, wrapping around the oral commissure then hooking onto the patient's outer cheek. Once properly placed within the patient's mouth the dental assistant is relieved from providing suction during various procedures.