53results about How to "Strong magnetic attraction" patented technology

A rotor for an electrical generator and a generator incorporating such a rotor, the rotor consisting of a central hub, a radially spaced concentric rim portion with rotor magnetic elements mounted upon it, and a plurality of elongate tension members extending generally between the hub and the rim, maintained substantially in tension so as to maintain the rim substantially in compression. The hub is rotatably driven by an axially spaced power drive means such as a wind or marine current turbine.

A retention apparatus for a semi-implantable hearing aid. In one embodiment, the retention apparatus includes a first surface and a second surface. One of the first and second surfaces includes a first portion and a second portion having a rounded transition therebetween for interfacing with a patient's skin. The rounded transition of the interfacing surface of the retention apparatus functions to distribute pressure resulting from the mutual magnetic attraction between an externally located magnet and an implanted magnet to permit increased magnetic forces therebetween and maintenance of a desired separation between an external coil and implanted coil.

The present invention is directed to a latch mechanism for latching a door or window panel to a frame. The latch mechanism includes: a pair of first members, a first of the pair of first members being located in an upper region of either the door or window panel or the frame, and a second of the pair of first members being located in a lower region of either the door or window panel or the frame and a pair of second members, a first of the pair of second members being located in an upper region of the other of the door or window panel or the frame to the first of the pair of first members and a second of the pair of second members being located in a lower region of the other of the door or window panel or the frame to the second of the pair first members the second members being movable between an unlatched position and a latched position wherein the second members are brought into abutment with, or close proximity to, the respective first members, wherein the first members are adapted to move from the unlatched position to the latched position under a magnetic attraction to the respective second members when the door or window panel is brought into a closed condition and wherein the second members are coupled to a controller via one or more linkage members, wherein actuation of the controller results in moving the second members from the latched position to the unlatched position.

An apparatus fish's telecommunication or electrical wiring, optical cables or conduit behind walls without need for a plurality of drilled holes or cutting slots. The apparatus has a central drive shaft comprising a magnetic mouse; a string; and a permanent magnet. The magnetic mouse comprises a sheet cut from a soft magnetic sheet material, coated with a low friction surface finish. It is attached to the string and dropped through a first hole location in the wall into a common bay between joists behind the wall. Following insertion, the magnetic mouse is driven from the first hole location to a second hole location by a permanent magnet, which is translated over the ceiling or interior of the wall. Translation of the permanent magnet moves the magnetic mouse inside the ceiling or wall, carrying the string through the common bay from said second hole location to said first hole location, thereby establishing a fishing line. The permanent magnet is, optionally, covered with felt to prevent scratching of the wall. A telecommunication or electrical wire; or optical cable; or conduit is attached to said fishing line, causing it to be pulled through the common bay from said second hole location to said first hole location.

The invention concerns a food or beverage preparation machine (1) for preparing a flowable food product or a beverage by mixing a fluid with a precursor ingredient, said machine comprising:—a base (2) having a fluid source, a pump means suitable for conducting said fluid from the source through fluid-conducting pipes to a fluid delivery port (9), and—a functional element (3) detachable from the base (2), comprising connecting means (6, 7, 8) for connecting fluidly to the delivery port of the base (9), characterized in that said base (2) and said detachable functional element (3) both have cooperating magnetic attachment means such that the detachable element and the base can be removably connected with an attracting magnetic effect, and then disconnected by rotating said detachable element relative to said base with a repelling magnetic effect.

The present invention is a bar type dental attachment for implants that makes use of magnetic attractive force to secure a denture in place. This bar type dental attachment can rotate corresponding to the movement of the denture during occlusion. The present invention has excellent wear resistance and makes insertion and removal of the denture easy. The present invention has a bar type keeper with an arced attractive face with a constant radius of curvature, and a magnetic assembly that comprises a magnet, a pair of yoke plates sandwiching the magnet, and a seal material made of anticorrosive non-magnetic material that covers the magnet and is hermetically sealed. The attractive surface of the magnetic assembly is curved to fit the keeper.

The present invention is one kind of multifunctional obstacle-crossing versatile magnetic wheel robot type operation vehicle, which consists of one front detecting and driving bogie comprising detecting and tracking sensor, steering mechanism, driving frequency-varying motor and horizontal versatile magnetic wheel; one front operation bogie comprising front worktable, horizontal versatile magnetic wheels and obstacle-crossing driving motor for front detecting and driving bogie; one main operation bogie comprising main worktable and horizontal versatile magnetic wheels; and one back driving and guiding bogie comprising back drive controlling motors, speed reducer, back driving magnetic wheel and horizontal versatile magnetic wheel. It has one control system comprising computer and relevant operation equipment for comprehensive control.

The invention relates to a magnetic non-positive connection between a bicycle pedal and the shoe of a cyclist, generated by planar permanent magnet elements (1,1'), with a displaceable guided mounting in the open regions (3,3') of the pedals, which undergo an even, easily detachable, magnetic non-positive interaction with soft magnetic non-positive connection elements (11), inserted in the tread region of the conventional bicycle shoe (12) and hence an unlimited relative movement, in particular, in rotation, between the bicycle shoe and the pedal, without causing undesired separation of the magnetic non-positive connection.

The invention discloses a deformation escape type water body treatment device capable of preventing water grass winding, and belongs to the technical field of water treatment. The deformation escape type water body treatment device comprises a deformed adsorption column; the deformed adsorption column comprises an inner column; a deformed bag is arranged on the outer side of the inner column; anda conical head is arranged on the right side of the inner column. When the device is wound and blocked by a large piece of water grass in the water body treatment process, the shape and the size of the deformed adsorption column are changed through deformation operation so that the device is separated from water grass; the water body is continuously repaired in a large range; meanwhile, in the separation process of the deformed adsorption column, a non-fixed expansion fisher is used for reversely winding the water grass and pulling out the water grass from the water body, the non-fixed expansion fisher wound with a large number of water grass is then separated from the deformed adsorption column and expands, the non-fixed expansion fisher gradually floats on the surface of the water body under the buoyancy effect of water, and people can conveniently collect and clean the non-fixed expansion fisher.

The invention discloses a numerical control drilling machine for punching the surface of a mechanical part. The numerical control drilling machine comprises drilling machine bases, the tops of the drilling machine bases are fixedly sleeved with fastening connecting frames, the tops of the fastening connecting frames are fixedly sleeved with connecting supporting columns, and the middles of the outer surfaces of the connecting supporting columns are fixedly sleeved with mounting fixing frames. A drilling tool sliding frame is fixedly installed on one sides of the mounting fixing frames, the middle of the drilling tool sliding frame is fixedly sleeved with a sliding inner rack, the middle of the outer surface of the sliding inner rack is movably sleeved with a sliding connecting box, and a machining table is fixedly installed on one side of the drilling machine bases. When a part is drilled by the numerical control drilling machine, clamping force is improved, so that the mechanical part is fixed, clamping arm pressing feet are contracted while the clamping force is improved, the inner surfaces of the clamping arm pressing feet make friction contact with the outer surfaces of drilling tools, the rotating speed of the drilling tools is reduced through friction force, centripetal force of the drilling tools is reduced, the drilling tools are prevented from loosening, the phenomena of slipping and breaking of the drilling tools are avoided, and potential safety hazards are reduced.

A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a latch bolt assembly comprising: a first elongated housing configured to be mounted with its rear side facing either the closure member or the support; a second housing connected to and positioned underneath the first housing, the second housing being rotatable with respect to the first housing around the vertical direction between a first rotational position in which the latch bolt assembly is operable for a right-handed closure member and a second rotational position in which the latch bolt assembly is operable for a left-handed closure member; and a latch bolt mounted in the second housing. The different rotational positions of the second housing allow using a horizontally moveable latch bolt while retaining a symmetrical placement on the closure system irrespective of the handedness of the closure member.

A magnetic roll structure for a magnetic trolley comprises a roller shaft and a bearing sleeve, a copper worm wheel is fixed in the middle sleeve of the roller shaft, and also comprises a roller assembly symmetrically arranged at both ends of the roller shaft; the roller assembly comprises an outer roller sleeve, an inner spacer sleeve and an inner roller sleeve sequentially sleeved on the rollershaft; Fe-B, any one or combination of a rare earth permanent magnetic Sm2CO17 sinter ferrite alloy and an aluminum-nickel-cobalt alloy AlNiCo, As that magnetic steel is replace, it is not easy to lose magnetism in use, the volume of the magnetic steel block is reduced, This reduces the driving force of the motor, As that labor intensity is reduce, the structure of the copper worm wheel is chan, so that the roller wheel is not fixedly connected with the copper worm wheel, the concentric degree doe not change after the copper worm wheel is replaced, secondary machining is not required to correct the copper worm wheel, the maintenance cost is reduced, the weight of the copper worm wheel is reduced, and the energy consumption is reduced.

The invention discloses a material roller conveying assembly line. The material roller conveying assembly line structurally comprises a bracket and a conveying table, and the conveying table is provided with side plates, rollers, a folding frame and lifters. The material roller conveying assembly line has the beneficial effects that connection rods are driven to go up and down in adjusting groovesthrough mutual cooperation of a permanent magnet hoisting device and a pull-up device; the connection rods are connected with the folding frame, thus, ascending and descending of the connection rodscan drive the folding frame to go up and down, and accordingly, the height of the folding frame is adjusted; the permanent magnet hoisting device generates strong magnetic attraction force under mutual cooperation of reversible magnetic steel and fixed magnetic steel, accordingly, the connection rods can be fixed into clamping grooves without disengagement, magnetic attraction force is unloaded when the reversible magnetic steel conducts angle conversion, thus, the connection rods are disassembled, and the folding frame descends; ascending and descending of the connection rods are controlled through the magnetic attraction force and hoisting of suspension springs, time and electricity are saved, the effect is achieved through one step, the situation that the folding frame is adjusted by manually adjusting the bracket is avoided, and the conveying speed and efficiency of the roller conveying assembly line are improved.

The invention provides an intermittent agricultural seeder. The intermittent agricultural seeder comprises a seeder body which comprises a seeding tank, an exhausting cylinder and an exhausting transmission rod, wherein a driving gear is arranged in the seeding tank, a driven gear meshed with the driving gear is arranged on one side of the driving gear, an intermittent operation rod is arranged onone side of the driven gear, an intermittent blocking block is arranged at the bottom of the intermittent operation rod, a discharging hole is formed in the bottom of the intermittent blocking block,a driving rolling wheel I is arranged at the bottom of the seeding tank, a driving rolling wheel II is further arranged at the bottom of the seeding tank, a gear tank is arranged on one side of the seeding tank, and a cone gear I is arranged in the gear tank. The intermittent agricultural seeder is reasonable in design and convenient to use, and automatic intermittent seeding can be realized.

A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a latch bolt assembly having: an elongated frame (32); a latch bolt moveable between a latching position and a retracted position; a latch bolt operating mechanism having a driving part (36) which is moveable between a rest position and an actuated position; and a locking mechanism to lock the driving part in its rest position. The locking mechanism comprises: a key actuated cylinder (51) having a rotary driving bit (52) and a locking member (54, 59, 61) mounted on the frame and moveable between an unlocking position in which the driving part is moveable, and a locking position in which, when the driving part is in its rest position, it locks the driving part in its rest position, the rotary driving bit being arranged to engage the locking member.

A magnetically connected block, including an electrically conductive connector, the electrically conductive connector defining therein a cavity and a magnet being arranged in the cavity, the electrically conductive connector being provided with a contact surface and a conductive device being provided on the contact surface. In this way, the electrically conductive connector achieves the electrical conduction between blocks by way of the conductive device and achieves the connection between two blocks by way of the magnet to ensure the connection by attraction and the electrical connection between blocks. Owing to the arrangement of the magnet, blocks can be attracted onto a magnetic attraction board surface to facilitate teaching use.

A magnetic latch for fastening a closure member to a support. The magnetic latch comprises a keeper assembly including a magnet and a latch bolt assembly having: an elongated frame (32); a latch bolt (14) moveable between a latching position and a retracted position; a latch bolt biasing member urging the latch bolt into its retracted position; and a latch bolt operating mechanism configured to move the latch bolt from its latching position to its retracted position against a magnetic attraction. The latch bolt operating mechanism comprises: an effort link rod (37); a load link rod (34); and a second-order lever (35) interposed between the effort link rod and the load link rod. The second-order lever reduces the force required to operate the latch bolt operating mechanism thus allowing for an increased magnetic attraction of the latch bolt towards the magnet in the keeper assembly.

The invention relates to the technical field of environmental protection equipment, and discloses flue gas on-line monitoring equipment for preventing and treating pollution. The flue gas on-line monitoring equipment comprises a monitoring probe and a bottom cylinder. The monitoring probe is arranged in the bottom cylinder and fixedly installed on the inner wall in a cavity of the bottom cylinder,a hollow and annular side cylinder is fixedly installed on the outer wall of the bottom cylinder, and an air pump is fixedly installed in the cavity of the side cylinder. A shell is fixedly installedat the top of the bottom cylinder, the top end of the bottom cylinder extends into the bottom of a cavity in the shell, and primary filtering devices distributed in an annular array mode are arrangedon the outer wall of the shell. According to the flue gas online monitoring equipment for preventing and treating pollution, the primary filtering devices are arranged, filtering balls suck air through air suction cylinders of which the outer walls are distributed in an annular array, the air suction cylinders suck air through first filtering nets, and the first filtering nets perform primary filtering on dust and large-size dirt in air, so that the flue gas online detection efficiency is improved, and the problem that in the flue gas online detection process, the detection accuracy is affected by suspended matter and large-size particulate matter in air is solved.

The invention discloses a magnetic badminton racket comprising: a handle, a shaft, a head frame including an outer surface and an inner surface and a plurality of gut strings crisscrossed within the inner surface. The head frame is provided with a magnet mounting section centered on its top, and several sockets are provided into the outer surface, spaced from each other and vertical to the outer surface. Several small neodymium magnets are fixed within the sockets, with their top surfaces exposed and flush with the outer surface. Each magnet is in the shape of a cylinder, cuboid, truncated cone or truncated quadrangular pyramid, which possesses strong magnetic attraction, is not subject to detaching and would not affect the aesthetic appearance of the racket. The invention also discloses a shuttlecock suitable for use together with the racket, to enable to pick up shuttlecock conveniently by mean of magnetic attraction therebetween.

In a permanent magnet ring (1) formed by arranging a plurality of unit permanent magnets (21a, 21b, 21c . . . ), each of a plurality of the unit permanent magnets (21a, 21b, 21c . . . ) is formed in a circular cylindrical shape having a circular cross section, and a predetermined number of the unit permanent magnets are magnetically attracted each other so as to form a ring shape having a predetermined size, so that it is possible for the user to easily structure the permanent magnet ring (1) having a desired size, and it is possible to attach as many the unit permanent magnets as possible so as to be able to apply proper magnetic force lines to each part of the body.

A latch has a magnet in one unit and an attracted element (e.g. ferromagnetic structure or another magnet) in second unit with a latching mechanism which operate under magnetic attraction. The latch has an actuator connected to a linkage to cause displacement of the magnet or the attracted element in a direction substantially normal to the axis of pivoting.

The invention discloses a high-safety strong-drive traction household elevator, and belongs to the field of household elevators. According to the high-safety strong-drive traction household elevator, a plurality of magnetic expansion rods and magnetic suction rods are arranged, when an elevator car shakes, the magnetic expansion rods can play a role in buffering, and the discomfort of people in the elevator car is reduced; when the elevator car shakes seriously, the magnetic expansion rods make contact with the inner wall of an elevator shaft, so that inner push magnetic sheets are sunken, outer expansion bags expand outwards, the sunken magnetic sheets are extruded out of strip seams, at the moment, the interiors of the multiple sunken magnetic sheets are extruded, the magnetism is enhanced, then the sunken magnetic sheets are mutually extruded and adsorbed, the multiple magnetic expansion rods are connected into a whole, the buffering part for shaking of the elevator car is changed into a plane from a point, the buffering effect is remarkably improved, and the potential safety hazards caused to people in the elevator car are effectively reduced; and when the magnetic suction rods are close to the inner wall of the elevator shaft, a certain mutual adsorption force is generated between the magnetic suction rods and the inner wall of the elevator shaft, so that the shaking amplitude can be further reduced, and the potential safety hazards are reduced.

A magnetic flux converter, comprising a housing, a coil bobbin installed inside the housing, a coil wound in the middle of the coil bobbin, a permanent magnet, an iron core and a spring connected to the iron core, the top of the housing is provided with an opening, and one end of the iron core It is attracted to the permanent magnet, and the ejector rod at the other end of the iron core extends to the opening at the top of the housing; it also includes a magnetically conductive coil, which is located between the coil and the permanent magnet. In the magnetic flux converter of the present invention, a magnetic conducting coil is added between the coil and the permanent magnet, so that the magnetic force lines of the permanent magnet and the coil are redistributed, and the magnetic force lines of the permanent magnet and the coil pass through the magnetic conducting coil to form a new magnetic circuit; the electromagnetic field will change the permanent The magnetic path of the magnetic field makes it possible to make the resultant force of the electromagnetic force and the elastic force greater than the attraction force of the permanent magnet to the iron core, and the iron core can move and push out no matter when the permanent magnet is installed upright or reversely (or when a positive and negative power supply is applied to the coil). The ejector rod performs the tripping action.

The invention relates to the technical field of zinc oxide production and processing, and discloses a cooling device for preparing nano zinc oxide. The cooling device comprises a cooling box, whereina servo motor is fixedly installed at the top of the cooling box, a rotating rod is fixedly connected to the output end of the servo motor, a spiral pipe is arranged in a cavity of the cooling box, and linkage devices which are sequentially distributed in an array mode from top to bottom are arranged on the inner wall of the cooling box. According to the cooling device for preparing the nano zincoxide, the rotating rod and fan plates are arranged, the rotating fan plates stir cooling liquid in the cavity of the cooling box, the cooling liquid located in the spiral center of the spiral pipe isstirred, the cooling efficiency of the nano zinc oxide is improved, and the problems that the cooling liquid at the center position of the spiral pipe is heated by the nano zinc oxide, so that the cooling liquid is heated and does not circulate, and the cooling efficiency is reduced are solved; and through continuous stirring of the fan plates, the cooling efficiency of the nano zinc oxide is improved, the circulation and heat exchange efficiency of the cooling liquid in the cavity of the cooling box is improved, and the cooling device has high practicability.

An embodiment of the invention relates to the field of lighting devices, and discloses a multi-function tool lamp. The multi-function tool lamp comprises a barrel shell, a magnetic attraction base and a multi-function support, wherein a lamp holder component is arranged in the barrel shell, and the lamp holder component comprises a light source, a copper substrate and a power source; the magnetic attraction base comprises a magnetic attraction plate and a wireless charging panel; the multi-function support comprises a support shell, a connecting frame, a lighting panel and a strip-shaped lamp strip; and a tool bin is arranged on the side wall, facing the support shell, of the barrel shell, a rotatable tool is arranged in the tool bin, and the rotatable tool is rotationally connected with the inner wall of the tool bin. According to the multi-function tool lamp provided by the embodiment of the invention, the problems that an existing tool lamp is single in illumination mode, and a user cannot conveniently use other tools while holding the tools at the same time can be solved.

The invention relates to a permanent magnet motor assembling support and an operation method thereof, the permanent magnet motor assembling support comprises a bedplate, a stator, a rotor and an end cover, the bedplate is slidably connected with an installation mechanism for installing the stator, the installation mechanism is connected with a driving mechanism for driving the installation mechanism to move horizontally, the stator is detachably connected to the installation mechanism, and the stator is detachably connected to the end cover. And the rotor and the end cover are both arranged above the bedplate. The stator is installed on the installation mechanism, at the moment, the stator can slide on the platen through the driving mechanism, the stator can be arranged on the periphery of the rotor in a sleeving mode through sliding, one end of the stator is clamped on the end cover in a sleeving mode, assembling of the permanent magnet motor is completed, and the rotor is a permanent magnet and is high in magnetic attraction force; when the permanent magnet motor is assembled in the mode, the rotor can be prevented from deviating due to magnetic attraction force, meanwhile, the rotor is prevented from being lifted manually, workers are prevented from being scratched, the body health of the workers is prevented from being affected, and the permanent magnet motor can be assembled conveniently and efficiently.

The invention discloses a magnetic transmission type array eddy-current probe aiming at pipeline defect detection and a method. The magnetic transmission type array eddy-current probe comprises an excitation probe device and a detection probe device, wherein the excitation probe device is formed by a permanent magnet framework which can be arranged on the outer wall of a pipeline in a sliding and sleeving way and an excitation coil which is wound on the permanent magnet framework; the detection probe device is formed by a ferromagnetic material framework which can be arranged in the pipeline in the sliding and sleeving way, multiple PVC (Polyvinyl Chloride) frameworks which are in a circular array, circumferential detection coils which are wound on the PVC frameworks and a laser head; multiple circumferential detection coils in the circular array can be used for detecting defects existing in the wall of the pipeline and can be simultaneously used for locating axial and circumferential positions of the defects existing in the wall of the pipeline; the frameworks of the excitation probe device and the detection probe device have magnetic adsorption capacity, so that the situation of ensuring the synchronicity of movement of the excitation coil and the multiple circumferential detection coils along an axial direction of the pipeline can be realized through a non-contact mode. Compared with a conventional non-penetration type eddy-current probe, the magnetic transmission type array eddy-current probe disclosed by the invention has similar detection sensitivity on the defects on the inner wall and the outer wall of the pipeline, and meanwhile, for the defects in larger depth, the problems of signal saturation and impossibility in quantification do not exist.