11results about How to "Enhanced magnetic force" patented technology

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.

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 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 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 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.

The utility model discloses an anti-explosion valve, a battery pack and a vehicle, and relates to the technical field of safety valves, the anti-explosion valve comprises a valve body, a movable part and a magnetic coupling mechanism; an exhaust channel is arranged in the valve body; the movable part is movably arranged in the exhaust channel so as to have a closed state for blocking the exhaust channel and a pressure relief state for conducting the exhaust channel; the magnetic coupling mechanism comprises a first coupling part arranged on the valve body and a second coupling part arranged on the movable part, the first coupling part and the second coupling part are opposite in the moving direction of the movable part in a spaced mode, at least one of the first coupling part and the second coupling part is configured to be an electromagnet, and the electromagnet is provided with a magnetic conduction part on the opposite sides of the first coupling part and the second coupling part. When the electromagnet is powered on, the magnetic coupling mechanism can drive the movable part to be switched from the closed state to the pressure relief state. The technical scheme provided by the utility model aims to improve the use reliability of the explosion-proof valve and reduce the damage probability of the battery pack in a manner of actively opening the explosion-proof valve.

The utility model relates to a sound wave motor, comprising a housing extending along a first direction; the output shaft can be rotatably mounted in the shell and extends along a first direction; the rotor assembly comprises a rotor iron core and two magnets, the rotor iron core is installed on the output shaft, the rotor iron core is provided with two opposite installation grooves, and each magnet is installed in the corresponding installation groove; the stator assembly is arranged in the shell and surrounds the rotor assembly in the radial direction of the output shaft; the stator assembly can drive the rotor assembly to move in a reciprocating mode in the circumferential direction of the output shaft, and then the output shaft is driven to move in a reciprocating mode in the circumferential direction of the output shaft. The two sides of the rotor core can be provided with a whole large magnet, so that the area of the magnet is enlarged, the magnetic force is enhanced, and the rotating force of the motor is enhanced.

A bushing assembly press head with magnetism comprises a press head, a sleeve rod and a magnetic attraction assembly. The press head comprises a press head body, a connecting part and a pressing part. The pressing part is an annular plane, and a circular groove and a threaded hole are arranged at the center of the annular plane. The sleeve rod comprises a rod body, an insertion part and a fixing hole. The magnetic attraction assembly comprises a magnetic attraction insertion hole and a magnetic attraction piece. Compared with the prior art, the bushing assembly press head with magnetism provided by the utility model is used for adsorbing the bushing by adopting the magnetic attraction piece made of a strong magnetic material, reduces the requirement for the consistency of the joint of the bushing, and the magnetic attraction piece does not need to be replaced regularly, thereby reducing the maintenance cost. The magnetic attraction piece is installed by arranging the magnetic attraction insertion hole, and the structure is simple, the operation is convenient, the assembly efficiency is high, and the magnetic force can be adjusted according to the bushing with different joint sizes. Moreover, the number of the magnetic attraction pieces can be increased according to the actual production requirement, the magnetic force of adsorption is improved, and the stability of the bushing during the assembly process is ensured.