46results about How to "Enhanced magnetic force" patented technology

The invention discloses a special-shaped magnetic tile which comprises a magnetic tile body, the magnetic tile body is provided with five magnets and is composed of three groups of different magnetic tiles, the back of the magnetic tile body is of an arc structure, and the bottom of the magnetic tile body is of a horizontal structure. The outer sides of a group of same magnetic blocks on the left side and the right side of the magnetic tile body structure are ground into fillets with the same radius. The special-shaped magnetic shoe has the advantages of being large in magnetic force, small in weight and small in size, compared with an existing magnetic shoe combination, the special-shaped magnetic shoe has the higher magnetic mass ratio, the heavy-load operation capacity of a vertical face walking robot is greatly improved, and high economic benefits and safety are achieved.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a vibration system of the sound production device comprises a vibrating diaphragm and a voice coil, and a central magnetic part of a magnetic circuit system comprises a middle magnetic assembly and side magnetic assemblies arranged around the middle magnetic assembly. The middle magnetic assembly comprises a first center magnet, a center magnetic conductive plate and a second center magnet which are stacked on the magnetic conductive yoke, the first center magnet and the second center magnet are magnetized in the vibration direction of the vibration system, and the magnetizing direction of the first center magnet is opposite to the magnetizing direction of the second center magnet; wherein one side, facing the central magnetic conductive plate, of the first central magnet and / or the second central magnet is convexly provided with a convex part, the central magnetic conductive plate is provided with a concave part corresponding to the convex part, and the convex part is accommodated and limited in the concave part. According to the sound production device, the central magnetic part of the magnetic circuit system is optimized, so that the magnetic induction lines are effectively gathered in the magnetic gap, the BL value is increased, the sensitivity of the sound production device is improved, and the sound effect of the whole machine is improved.

The invention relates to the technical field of hearing aids, in particular to a hearing aid with a magnetic attraction design on a fishing line, which comprises a hearing aid main body, an ear mold arranged on one side of the hearing aid main body, a winding roller arranged at one end of an inner cavity of the hearing aid main body, the fishing line wound on the outer side of the winding roller, an attraction ball arranged at one end of the fishing line, and a magnetic block integrated in the attraction ball. The locking mechanism is arranged at one end of the hearing aid main body, the locking mechanism comprises two locking plates, and a plurality of brake blocks are arranged on the inner walls of the locking plates. According to the hearing aid, the spherical magnetic block is embedded into the tail end of the fishing line, so that the problems that a traditional hearing aid magnetic attraction device is abrupt in appearance and occupies internal space are solved; the hearing aid is simple in structure, the appearance of the hearing aid is kept smooth and attractive, the internal space is prevented from being occupied, and meanwhile, the spherical magnetic block is arranged at the tail end of the fishing line, so that the hearing aid can be fixed on clothes, a knapsack or other magnetic objects through the magnetic attraction effect, and the hearing aid cannot fall off accidentally.

The present invention discloses a reed-type micro-electromagnetic valve, which relates to the field of micro-electromagnetic valves. The micro-electromagnetic valves currently used in the market usually use electromagnetic matching springs to complete the opening and closing of the solenoid valves. However, the existing springs have a large installation space, are easily dislocated or deformed during use, and have poor stability. The following scheme is proposed, which includes a valve body, a protective shell for installation is provided inside the valve body, and a coil frame for installing a coil is provided inside the protective shell, and a reed for rebound is provided on the top of the valve body. The reed-type micro-electromagnetic valve replaces the spring with a hollow flat-plate reed provided inside, which can solve the problem that the spring installation space is large and the reed requires very little space, and achieves space optimization in terms of volume, while avoiding the problem that the spring is inconvenient to install, is easily dislocated or deformed during use, and has poor stability. At the same time, the insulating ring is convenient for blocking the magnetic circuit, making the magnetic force stronger.

The utility model discloses a multi-line automatic material sticking machine for magnetic materials, which comprises a case, a support frame and a grabbing component, the support frame is arranged on one side of the case, a conveying belt is arranged in the middle of the support frame, an adding component is arranged above the conveying belt, a top frame is arranged at the top of the case, and the grabbing component is arranged at the bottom of the top frame. The grabbing assembly comprises a linear motor, a hydraulic cylinder and a lifting plate, an electromagnet is arranged in the middle of the bottom end of the lifting plate, and the adding assembly comprises a hydraulic lifting rod, a spraying pipe and an adhesive tank. According to the multi-line magnetic material bonding device, the to-be-bonded workpiece is arranged in the machine box, the adhesive is sprayed on the to-be-bonded workpiece through the adding assembly in front of the connecting position of the machine box and the conveying belt, the magnetic material can be downwards pressed to the surface of the to-be-bonded workpiece under the action of the grabbing assembly, the to-be-bonded workpiece is precisely bonded, the multi-line magnetic material bonding function is achieved, and the working efficiency and the bonding effect are improved.

The present invention discloses a variable current and variable speed non-commutated permanent magnet DC motor, which belongs to the field of DC motors, and solves the problem that the existing DC motors need to overcome the magnetic pull of the permanent magnet stator on the rotor, which consumes a lot of electric energy. It includes a base, a coil inner rotor, a permanent magnet inner stator, a coil outer rotor, and a permanent magnet outer stator. It also includes a rotor shaft, a rotor shaft support, a rotor shaft magnetic suspension inner sleeve, a rotor shaft magnetic suspension outer sleeve, a support magnetic suspension inner sleeve, and a support magnetic suspension coil outer sleeve. The two ends of the rotor shaft are arranged in the support bearings of the two rotor shaft supports. The rotor shaft is tightly sleeved in the inner cavity of the coil inner rotor, and the rotor shaft magnetic suspension inner sleeve is sleeved in the outer diameter openings at both ends of the coil inner rotor. The rotor shaft magnetic suspension outer sleeve is tightly sleeved in the inner diameter openings at both ends of the permanent magnet inner stator. The present invention can manufacture high-power ultra-high-speed permanent magnet DC motors or generators according to demand, which are suitable for electric vehicles, industrial and mining enterprises, and other fields that require power or power generation.

The present invention discloses a sound-generating device and an electronic device, and relates to the technical field of electroacoustic transducer. The sound-generating device comprises a magnetic circuit system and a vibration system. The magnetic circuit system comprises a magnetic yoke and a central magnetic part and a side magnetic part arranged on the magnetic yoke. The side magnetic part is located outside the central magnetic part and is spaced from the central magnetic part to form a magnetic gap. The central magnetic part comprises a first magnetic group, a second magnetic group and a third magnetic group arranged in layers. The first magnetic group is connected to the magnetic yoke. The vibration system comprises a diaphragm and a voice coil connected to the diaphragm. The voice coil is arranged corresponding to the magnetic gap. The first magnetic group and the third magnetic group are magnetized along a vibration direction perpendicular to the vibration system, and the second magnetic group is magnetized along the vibration direction of the vibration system, so that the central magnetic part forms a Halbach magnetic circuit. The sound-generating device of the present invention increases the BL value by optimizing the central magnetic part of the magnetic circuit system, effectively improves the flatness of the BL curve, significantly improves the FR frequency response curve, and effectively reduces the harmonic distortion THD, thereby improving the sound quality and performance of the whole machine.

The invention discloses a hysteresis flexible sound insulation board and a manufacturing method, which belongs to the field of industrial sound insulation and vibration isolation. A hysteresis flexible sound insulation board manufacturing method comprises the following steps: stirring flexible particles, ferromagnetic particles and glue for 15 to 20 minutes to form a mixture, then moving the mixture into a mold, slowly applying pressure to the mixture for molding, and applying a magnetic field to the mixture while applying pressure, so that the ferromagnetic particles adjust their directions due to the magnetic field, stopping pressurization and applying the magnetic field after the mixture is formed, taking out the formed mixture, applying the magnetic field again after cooling, and applying the magnetic field to the mixture again, wherein the applied magnetic field strength is the same as the magnetic field strength applied during the molding process, and stopping applying the magnetic field after 25 to 35 minutes to form a hysteresis flexible sound insulation board. The hysteresis flexible sound insulation board and the manufacturing method of the invention improve the strength, rigidity and damping effect of the hysteresis flexible sound insulation board, and improve the sound insulation and vibration isolation effects of the hysteresis flexible sound insulation board.

The invention discloses a preparation method of high-magnetic-induction oriented silicon steel and the high-magnetic-induction oriented silicon steel. The preparation method specifically comprises the following steps that cold-rolled strip steel is provided; after the cold-rolled strip steel is subjected to decarburization annealing operation, nitriding treatment is conducted, and nitrided cold-rolled strip steel is obtained; wherein the nitriding treatment comprises at least two nitriding stages, the temperatures of the multiple nitriding stages are increased step by step, and the total content of nitrogen elements permeated into the cold-rolled strip steel in the multiple nitriding stages is 100 ppm to 250 ppm; the surface of the nitrided cold-rolled strip steel is coated with an annealing isolation coating, coiling is conducted, and a steel coil is obtained; and the steel coil is sequentially subjected to high-temperature annealing treatment, tensile stress coating coating, stretching flattening annealing and surface nicking treatment, and the oriented silicon steel finished product is obtained. The invention relates to the technical field of oriented silicon steel, the nitriding layer depth in the nitriding process can be increased, the morphology and size of formed nitride can be improved, more fine and dispersed inhibitors can be finally formed, and the magnetic level of the prepared high-magnetic-induction oriented silicon steel can be improved.

The application discloses a kitchen sliding door, and aims to solve the problem that it is relatively inconvenient to open the sliding door when people are holding dishes with both hands. The technical scheme is as follows: the kitchen sliding door comprises a door frame and a door body, the door body is provided with a door handle capable of sliding inward, the door body is provided with a pushing device used for abutting against the door frame to push the door body to move, and the pushing device is connected with the door handle. The door handle is abutted against by the elbow or other positions, so that the door handle slides inward, the pushing device abuts against the inner wall of the door frame to push the door body to move, a gap is formed between the door body and the door frame, the user can insert the gap with the foot, the elbow or other positions, and push the door body to be completely opened, so that the inconvenient situation that the sliding door needs to be opened when people are holding dishes with both hands is reduced.

The present invention relates to the technical field of hearing aids, and in particular to a hearing aid with a magnetic suction design on a fishing line, comprising a hearing aid body, an ear mold arranged on one side of the hearing aid body, a winding roller arranged at one end of the inner cavity of the hearing aid body, a fishing line wound on the outer side of the winding roller, a suction ball arranged at one end of the fishing line, a magnetic block integrated inside the suction ball, and a locking mechanism, wherein the locking mechanism is arranged at one end of the hearing aid body, the locking mechanism comprises two locking plates, and a number of brake blocks are arranged on the inner wall of the locking plate. In the present invention, by embedding a spherical magnetic block at the end of the fishing line, the problem of the abrupt appearance and the occupation of the internal space of the traditional hearing aid magnetic suction device is solved, the smooth and beautiful appearance of the hearing aid is maintained, and the occupation of the internal space is avoided. At the same time, the spherical magnetic block is arranged at the end of the fishing line, so that when the hearing aid can be fixed on clothing, a backpack or other magnetic objects through magnetic suction, it is ensured that the hearing aid will not fall accidentally.

The application discloses a short-circuit prevention valve seat high-frequency quenching induction coil and relates to the technical field of induction coils. The induction coil comprises an induction pipe, the induction pipe is bent in multiple turns, the induction pipe is divided into a wiring end and a separation end after being bent, further comprises an insulating pipe for reducing the magnetic force influence of the induction pipe, a center positioning mechanism for automatically clamping and correcting the workpiece during quenching, and a strength adjusting mechanism for adjusting the number of turns of the induction pipe. The short-circuit prevention valve seat high-frequency quenching induction coil can not only move synchronously with the induction pipe through the center positioning mechanism to improve portability, but also automatically corrects the position of the workpiece when the induction pipe is placed on the workpiece before quenching, so that the workpiece and the induction pipe are on the same center line, thereby improving the quenching uniformity. When the inclination angle of the induction pipe is too large, the induction pipe cannot be normally placed on the workpiece, thereby reminding the operator.

A fuel supply valve for supplying fuel from a fuel tank to a fuel cell stack comprises: a plunger having a cavity therein; a core portion arranged on the plunger; and a blocking portion arranged in the cavity to maintain airtightness between the core portion and the plunger, and a space in which the airtightness of the cavity is maintained by the plunger, the core portion and the blocking portion is defined as a pressure chamber.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, a magnetic circuit system of the sound production device comprises a magnetic conductive yoke, a central magnetic part and an edge magnetic part, the central magnetic part comprises a first magnetic group, a second magnetic group, a third magnetic group and a fourth magnetic group, the second magnetic group comprises an inner magnetic group and an outer magnetic group which are flatly laid between the first magnetic group and the third magnetic group, the outer magnetic group is arranged around the inner magnetic group, and the vibration system comprises a vibrating diaphragm and a voice coil; wherein the first magnetic group, the outer magnetic group and the fourth magnetic group are magnetized in the vibration direction of the vibration system, the inner magnetic group and the third magnetic group are magnetized in the direction perpendicular to the vibration direction of the vibration system, and the center magnetic part is provided with a weight reduction space. According to the sound production device, the central magnetic part of the magnetic circuit system is optimized, so that the magnetic induction lines are effectively gathered in the magnetic gap, the BL value is increased, the sensitivity of the sound production device is improved, the sound effect of the whole machine is improved, and the weight of the whole machine is reduced while the magnetic field intensity is not lost.

The invention relates to the technical field of silicone oil water pump production and welding, and particularly discloses a magnetism-isolating silicone oil water pump and a welding device thereof.The magnetism-isolating silicone oil water pump comprises a pump body, the pump body is made of aluminum alloy, a magnetism-isolating shell is further arranged in the pump body, a magnetism-isolating groove is formed in the magnetism-isolating shell, and a magnetism-isolating ring made of permalloy is arranged in the magnetism-isolating groove; and nickel foil transition layers are arranged on the inner and outer peripheral walls of the magnetic isolation groove. The welding device of the magnetism isolating silicon oil water pump comprises a machine body, two welding guns and a rotary lifting table arranged on the machine body, the two welding guns correspond to the inner side and the outer side of a magnetism isolating ring respectively, a clamping tool is detachably arranged on the rotary lifting table, and a first electromagnet opposite to the magnetism isolating ring is arranged on the machine body and located above the clamping tool. The machine body is provided with a cooling mechanism used for cooling the magnetism isolating ring and a detection assembly used for detecting the magnetic permeability of the magnetism isolating ring. The magnetic isolation ring has the effects of reducing the welding difficulty and improving the guiding magnetic circuit of the magnetic isolation ring.

The present invention discloses a magnetic suspension bearing, which relates to the field of magnetic suspension bearings, including a bearing cover, the inner wall of the bearing cover is fixed with a sleeve, and the inner side of the bearing cover is clamped with an inspection structure, the outer wall of the bearing cover is provided with a strong magnetic structure, and the inner wall of the bearing cover is fixed with an iron core, and the iron core is provided with a winding. The present invention provides an annular permanent magnet sheet, an outer clamping block, an inner clamping block and a clamping groove. When the magnetic suspension bearing is in use, if a problem occurs and needs to be repaired, the bolts on the fixing frame are screwed, and after the bolts are screwed off, the annular permanent magnet sheet is pulled to rotate to the left through the push-pull groove. When rotating, the outer clamping block on the outer wall of the annular permanent magnet sheet and the inner clamping block on the inner wall are also rotated to the left and pulled out from the clamping groove. After being pulled out, the annular permanent magnet sheet is pulled up, and the outer clamping block and the inner clamping block are pulled out from the insertion groove on the top of the bearing cover and the sleeve, so that the outer clamping block is separated from the bearing cover, and the winding and other components can be inspected.

A solenoid valve has a first attachment portion (1), a second attachment portion (2), a third attachment portion (3), and a core (4), the first attachment portion (1) being configured as a through opening in the core, and the core having an inner cone portion (4e). The solenoid valve comprises: at least one closing part (7; 7a, 7b) for opening and closing the first attachment part (1) and the second attachment part (2); an armature (5) for closing the at least one closing part (7; 7a, 7b) of the motor (7; and a coil (6) for moving the armature (5). The armature (5) cylindrically surrounds the at least one closing part (7; 7a, 7b) and comprising an elastic element (7a, 7b) extending axially beyond the at least one closure part (7; 7a, 7b), which has a conically narrowed end face (5e), which can be introduced into an inner cone (4e) of the core (4) in order to conduct a magnetic flux flow.

The utility model relates to the technical field of fixing accessories, and provides a magnetic attraction fixing device and a sunshade utensil, the magnetic attraction fixing device comprises a magnetic attraction piece, an insertion part and a magnetic attraction seat connected with the insertion part, and the insertion part and the magnetic attraction seat are connected at a preset angle to form a mounting space; the magnetic attraction piece is arranged at the end, close to the installation space, of the magnetic attraction base. The magnetic attraction piece is arranged at the end, close to the mounting space, of the magnetic attraction base, so that the magnetic attraction piece is closer to an external to-be-fixed object, the magnetic force is increased, and the external to-be-fixed object is not prone to falling off; the magnetic attraction piece is arranged on the side close to the installation space, the magnetic conduction piece is located in the installation space when connected, the magnetic attraction base serves as a limiting piece for limiting the sun-shading piece from falling off, and the connection fixity of the magnetic attraction fixing device and the sun-shading piece is further guaranteed.

The utility model relates to the field of magnetic steel, and discloses a Halbach magnetic assembly and a tool thereof, the key points of the technical scheme are that the Halbach magnetic assembly comprises three first magnets and two second magnets, the first magnets and the second magnets are arranged at intervals and are bonded, the N poles of the two second magnets are opposite, the N poles of the two first magnets located at the two ends face upwards, and the first magnets and the second magnets are bonded together. The N pole of the first magnet located in the center faces downwards, magnetic lines of force can be gathered on one side of the first magnet and one side of the second magnet, the magnetic lines of force can be weakened on the other side, an ideal unilateral magnetic field is obtained, the iron sheet can improve the bonding strength of the first magnet and the second magnet, meanwhile, the magnetic force of a non-strong magnetic face can be weakened, and the magnetic force of a strong magnetic face can be enhanced.

The present invention provides an anti-odor drainage device, which belongs to the field of mechanical technology. It solves the problem that the sealing parts in the existing anti-odor drainage devices are difficult to re-seal stably. The anti-odor drainage device includes a shell with a water hole, a bracket connected to the shell, and a sealing cover, and magnets are fixed on the bracket and the sealing cover. The sealing cover can block the water hole under the magnetic force of the magnet. At least one of the magnets is provided with a shielding member, which is made of magnetic conductive material and fixed on the side of the magnet away from other magnets. The anti-odor drainage device has the advantage of good sealing stability.

The intrusive catheter pump comprises a blood pumping system and a perfusion system, the blood pumping system comprises a motor, an impeller, a blood pumping catheter, a blood inlet and a blood outlet, the blood inlet and the blood outlet are formed in the two ends of the blood pumping catheter, the impeller is installed on the motor, and the motor is used for driving the impeller to rotate to do work; blood is pumped into the blood pumping conduit from the blood inlet and flows out from the blood outlet; the perfusion system comprises a perfusion tube which is connected to the motor; the motor comprises a motor shell and a motor stator arranged in the motor shell, a perfusion flow channel is arranged between the motor shell and the motor stator, a perfusion hole communicated with the perfusion flow channel is formed in one end of the motor shell, and the perfusion tube is led to the blood outlet through the perfusion hole and the perfusion flow channel, so that a perfusion passage is formed. The waterproof performance requirement of the motor can be greatly reduced, the service life is prolonged, meanwhile, the area of a pouring runner can be increased, the bearing pressure of a pouring system is reduced, and the use safety is improved.

The utility model discloses a kind of turnover devices for circuit board zinc spraying, including base, it is characterized in that, still include: turnover table, the turnover table is set in the top of base, and the inside of the turnover table is provided with pivot, the two sides of the pivot are uniformly provided with clamp by second driving motor, and the inside of the clamp is uniformly clamped with circuit board body;Sucker, the top end in clamp inside is set to the sucker, annular air cavity, the edge in the inside of the sucker is set to annular air cavity, the bottom end of the sucker is provided with buffer layer, micro air pump, the micro air pump is all set to one end in the top of clamp.The utility model is equipped with base, turnover table, pivot, clamp, second driving motor, circuit board body, sucker, electromagnetic coil, annular air cavity, buffer layer and micro air pump, by the dual effect of magnetic force and negative pressure, can make circuit board body receive uniform clamping force, cooperate with elastic buffer layer, can effectively avoid circuit board deformation and produce scratch.

The invention discloses an axial folding mechanism and a band-gap-adjustable photonic crystal vibration reduction device, and belongs to the technical field of photonic crystal vibration reduction. The axial folding mechanism comprises a plurality of folding plates, a plurality of hinges and a plurality of spherical hinges, wherein the folding plates are connected together through the hinges and the spherical hinges. The plurality of folding plates are assembled in a Mipu paper folding stacking structure, adjacent sides of two adjacent folding plates are connected through hinges, and contact points of three adjacent folding plates are connected through spherical hinges; folding plate electromagnets are arranged on the folding plates located at the two ends of the axial paper folding mechanism, and the two folding plate electromagnets are connected with a power source. The photonic crystal vibration damper with the adjustable band gap comprises a plurality of sleeves, and the sleeves are used for regularly sleeving a tubular target structure at intervals; a plurality of axial folding mechanisms are arranged between the two sleeves in the axial direction of the sleeves. The device is convenient to design and manufacture, the mounting distance of the photonic crystal vibration reduction units can be changed through remote and reversible electromagnetic driving, so that the band gap adjustable effect is achieved, and operation is easy and convenient.

The utility model discloses a magnetic type three-in-one connecting rod stable installation metal ring which is of a straight pipe structure, one end of the metal ring is open and is a three-in-one connecting rod extending hole, the other end of the metal ring is a screwdriver head extending hole, and the inner wall of the metal ring is provided with a first magnetic ring used for magnetically attracting a connecting rod, a second magnetic ring used for magnetically attracting a screwdriver head and a clamping ring used for tightly sleeving the screwdriver head. The screwdriver head is tightly sleeved through the clamping ring to be combined in the metal ring instead of being fixed in the metal ring through static friction force generated by tight contact with the inner wall of the metal ring, and large-area abrasion of the screwdriver head can be avoided. Meanwhile, the second magnetic ring is arranged in the metal ring to attract the screwdriver head, the screwdriver head can be inserted into the metal ring by means of the attraction force of the second magnetic ring, more labor is saved, the magnetic force of the screwdriver head can be enhanced through the second magnetic ring, the magnetic attraction force between the screwdriver head and the three-in-one connecting rod is enhanced, and the screwdriver head and the three-in-one connecting rod are matched more stably; and due to the arrangement of the first magnetic ring and the second magnetic ring, the three-in-one connecting rod cannot fall out of the metal ring when the metal ring is vertically placed.

The enhanced coreless stator comprises a substrate, a stator winding is arranged on the substrate, the stator winding comprises an effective conductor section for cutting axial magnetic flux, the effective conductor section is in a sheet shape, and the main plane of the effective conductor section is not parallel to the plate surface of the substrate. According to the coreless stator, the relative position relation between the effective conductor sections and the substrate is changed, so that the single effective conductor section has a traditional current flowing cross section and also has higher resistance to magnetic acting force, and the coreless stator is higher in structural strength and more stable in operation. Meanwhile, the occupied area of the axial projection of the sheet-shaped effective conductor section on the substrate is small, and more stator windings can be distributed on the substrate with the same area. The single-turn structural strength and the number of turns per unit area are synchronously improved, the overall structural strength of the stator is remarkably enhanced, meanwhile, the energy density of the motor is improved, and higher power output is achieved.

The utility model discloses a magnetic stirring device of a microwave digestion instrument, which relates to the technical field of microwave digestion equipment and comprises a reaction cylinder, a fixing frame is sleeved on the periphery of the reaction cylinder, a plurality of inductance pieces are arranged on the periphery of the fixing frame, axes of the inductance pieces are orthogonally arranged, the inductance pieces are used for generating a magnetic field, and a plurality of stirrers are arranged in an inner cavity of the reaction cylinder. According to the magnetic stirring device of the microwave digestion instrument, the technical problems that the magnetic stirrer is easy to demagnetize when a traditional magnetic stirring device is in a high-temperature and high-pressure working environment, and microwaves interfere with the magnetic field of a magnetic pole, so that the stirring device fails or the stirring force does not reach the standard are solved.

The utility model provides a driving mechanism and a cooking utensil with the same. The cooking utensil comprises a shell and an upper cover. The shell has a mounting cavity; the driving mechanism comprises a matching part magnet and a matching part magnetically matched with the magnet, and the matching part is arranged on the upper cover or the shell; the mounting frame is arranged in the mounting cavity and is provided with a mounting cavity for mounting the magnet and an avoiding notch, and the avoiding notch communicates with the mounting cavity and is located on the side, close to the matching part, of the mounting cavity; and the magnet is fixedly arranged in the mounting cavity and extends into the avoiding notch. Through the technical scheme provided by the invention, the problem that a driving structure of a coupler in the related technology is complex can be solved.

The application discloses a multifunctional physiotherapy bed, which comprises a bed plate, a bed frame, an electric control box, a stretching mechanism, a foot rocking device, a heating device, a vibrating device and a massaging device. The stretching mechanism comprises a traction part, a stretching belt, a thrust device and a foot clamping part. The traction part is arranged at the top end of the head part of the bed frame, the two ends of the stretching belt are wound around the traction part, the traction part is provided with the thrust device below the head part, and the tail part of the bed frame is provided with the foot clamping part. After two feet are placed on the foot clamping part, hands hold the stretching belt to drive the thrust device to slide. The multifunctional physiotherapy bed has the beneficial effects that: a user can independently control the size, angle and position of the traction force, freely controls and adjusts, drives the human body to stretch, so that the neck, spine and whole body joints under traction are pulled out of the gap, and a better stretching effect is achieved. In addition, the multifunctional physiotherapy bed is provided with the heating device, the vibrating device, a magnetotherapy device and the massaging device, the above functions can be used in combination and controlled in a single group, the physiotherapy bed has various functions, has wider adaptability and has more ideal effect.

The utility model discloses a transmission gearbox processing conveying device of emergency stop, clamping mechanism is fixedly connected with the connecting column below, the bottom fixed connection of connecting column has the sliding base, the sliding base is slidably arranged in the slide rail, the bottom fixed connection of sliding base has the electromagnet, the side fixed connection of connecting column has trigger subassembly, is provided with pressure sensor in trigger subassembly, is provided with control assembly in connecting column, through the force that holds trigger subassembly, makes pressure sensor obtain the extrusion of different degrees after signal transmission to control assembly analysis and control electromagnet to the slide rail generates the magnetic attraction of different size. Through the force that the worker holds trigger subassembly control electromagnet's magnetic force size, and then makes the slide rail to receive the magnetic attraction size and get the change, makes the equipment stop and position, this avoids the huge inertia force of equipment free sliding suddenly and stops down, optimizes the process of equipment shift, reduces the labor intensity of worker.

The utility model belongs to the technical field of kitchen appliances, and discloses a food processor which comprises a stirring cup, a cutter assembly detachably installed in the stirring cup, a motor arranged below the stirring cup and a driving magnetic disk driven by the motor to rotate. A mounting cavity is defined by the upper shell and the lower shell, the shaft sleeve is located in the mounting cavity, the bearing is mounted in the shaft sleeve, the transmission shaft penetrates through the bearing, the upper end of the transmission shaft extends out of the upper shell and is connected with a blade, and a driven assembly located in the mounting cavity is fixed to the lower end of the transmission shaft. The driven assembly comprises a magnetic isolation disc fixedly connected with the transmission shaft and a permanent magnet fixedly attached to the lower surface of the magnetic isolation disc, the lower end face of the permanent magnet right faces the lower shell, and the permanent magnet is located above the driving disc and driven by the driving disc. The permanent magnet and the driving magnetic disk are strongly matched, the driven assembly and the driving magnetic disk synchronously rotate, the rotating speed difference between the permanent magnet and the driving magnetic disk is reduced, and therefore the transmission efficiency is improved.