45results about How to "Same magnetic" patented technology

The invention relates to the technical field of printing, in particular to an anti-slip paper feeding roller for a printer based on the capacitance change. The anti-slip paper feeding roller comprisesa rotating shaft, an electromagnet is fixedly connected to the inner wall of the bottom of the rotating shaft, a magnetism isolating plate is fixedly connected to the outer side, close to the electromagnet, of the inner wall of the rotating shaft, a conveying roller is movably connected to the outer side of the rotating shaft, uniformly distributed negative plates are fixedly connected to the inner wall of the conveying roller, positive plates symmetrical to the negative plates are fixedly connected to the inner wall of the conveying roller, and springs are fixedly connected to the positions,close to the positions between the negative plates and the positive plates, of the inner wall of the conveying roller. According to the anti-slip paper feeding roller for the printer based on the capacitance change, through cooperative use of the electromagnet and magnetic blocks, when the conveying roller rotates, movable blocks rotating to the bottom can extend outwards under the action of homopolar repulsion of the electromagnet and the magnetic blocks and are connected with paper in a clamped mode, so that the contact area between the paper and the conveying roller is effectively increased, rubber plates are effectively attached to the paper, then the effect of preventing the paper from slipping is achieved, and the practicability is improved.

The invention relates to a power socket for broadband equipment capable of effectively preventing mis-pull-out. The invention relates to the technical field of broadband access. The equipment comprises a conductive seat, an electromagnet is fixedly connected to the middle of the conductive seat, first springs which are evenly distributed are fixedly connected to the positions, close to the two sides of the electromagnet, of the inner wall of the conductive seat, clamping blocks are fixedly connected to the outer sides of the first springs, first magnetic blocks are fixedly connected to the middles of the clamping blocks, and resistors electrically connected with the electromagnet are fixedly connected to the inner wall of the bottom of the conductive seat. According to the power socket forbroadband equipment, the clamping blocks and the necks are matched for use, when the plug is plugged with the conductive seat, the clamping blocks extend outwards under the magnetic repulsion effectof the electromagnet and the magnetic block and are clamped with the necks, and the plug and the conductive seat are relatively fixed together, so that the effect of limiting the movement of the plugis achieved, the effect of preventing mis-pulling is achieved, the plug is effectively prevented from accidentally falling off, the stable use of the central switch is ensured, and the practicabilityand the stability are improved.

The invention discloses a centrifugal-force-based speed limiting device for an electrorheological fluid type wheelchair, and relates to the technical field of old-age care equipment. The device comprises a rotary disc, wherein uniformly distributed resistors are fixedly connected to the inner wall of the rotary disc, a negative plate electrically connected with the resistors is fixedly connected to the inner wall of the rotary disc, a positive plate symmetrical to the negative plate is fixedly connected to the inner wall of the rotary disc, and uniformly distributed electromagnets are fixedlyconnected to the inner wall of the rotary disc. According to the centrifugal-force-based speed limiting device for the electrorheological fluid type wheelchair, through cooperative use of a rubber film and a clamping groove, when the wheelchair exceeds the limited speed, a piston block can move to the outer side under the action of a centrifugal force, and electrorheological fluid in a U-shaped groove is extruded to the inner side through the piston block at the moment, so that the rubber film expands, the rubber film is attached to the clamping groove, and finally, the electrorheological fluid is changed into a solid state, the friction force between the rubber film and the clamping groove is effectively increased, the speed of the wheelchair is effectively reduced, and therefore the effect of preventing the wheelchair from stalling is achieved, the safety of old people is guaranteed, and the application range of the wheelchair is widened.

The invention relates to a steel detection fixture capable of clamping multiple steel styles, and relates to the technical field of steel detection. The steel detection fixture capable of clamping themultiple steel styles comprises a clamping seat, wherein conductive columns penetrating through and extending to the inner side are fixedly connected to the top part and the bottom part of the clamping seat; turbid liquid is arranged on the inner top part and the inner bottom part of the clamping seat; and springs I are fixedly connected to the inner top wall and the inner bottom wall of the clamping seat. According to the steel detection fixture capable of clamping the multiple steel styles, through the matched use of a movable rod and the turbid liquid, at the initial state, the turbid liquid is at a liquid state, namely, a non-electrified state, steel is placed in the middle of the movable rod at the moment, the movable rod can be contracted in the clamping seat, a piston block can move to two sides due to the extrusion of the turbid liquid, then the conductive columns are electrified, the turbid liquid becomes hard, the movable rod and the piston block are fixed in position, the upper part and the lower part of the steel can be fixed at the moment, and the upper and lower fixed distance can be changed according to the steel, so that an effect on changing the upper and lower fixed range is achieved, and a clamping range is enlarged.

The invention discloses a new energy solar photovoltaic power generation device with an expansion plate. The device comprises a bottom plate, wherein a support pillar is fixedly connected with the middle part of the upper side of the bottom plate, an installation plate is fixedly connected with the top end of the support pillar, a fixed solar panel is arranged on the upper side of the installationplate, a support sleeve is arranged on the outer part of the support pillar in a sleeving manner, an electromagnet is arranged between the support pillar and the inner side wall of the support sleeve, a sliding sleeve is also arranged at the outer part of the support pillar in a sleeving manner, a magnetic pole is fixedly connected with the bottom end of the sliding sleeve, multiple first spherical hinges are uniformly arranged on the top of the sliding sleeve, and a rotation rid is movably hinged to each first spherical hinge. The new energy solar photovoltaic power generation device with the expansion plate provided by the invention has the beneficial effects that after the current is fed into the magnet, the magnet generates the same magnetism with the magnetic pole, so as to reject the magnetic pole, the magnetic pole drives the sliding sleeve to extend upwards, the sliding sleeve drives the solar panel to rotate upwards around the hinge via the rotation rods, and thus the expansion plate is expanded, the illumination receiving area is effectively enlarged, the power generation efficiency is improved, and the device has certain popularization and application values.

The invention discloses a automatic power-off effective energy-saving television turning-off device and relates to the related technical field of energy saving. The device comprises a shell, wherein an electromagnet is fixedly connected with an inner wall of the right side of the shell, an electric heating block is fixedly connected with an inner wall on the right side of the shell and close to the left side of the electromagnet, an air groove fixedly connected with a left side of the electric heating block is formed in the middle of the shell, a first spring is fixedly connected with an innerwall of the right side of the air groove, a piston block is fixedly connected with the left side of the first spring, and a magnetic block is fixedly connected with the inner wall of the right side of the piston block. The automatic power-off effective energy-saving television turning-off device is advantaged in that a conductive block and an electric contact are matched for use, when a television is in a standby state for a long time, at the moment, the gas in a gas groove is cooled and contracted, so the conductive block is separated from a conductive column, namely the conductive block isseparated from the electric contact, the whole circuit of the television is disconnected, the television is thoroughly turned off, the effect of effectively saving power resources is achieved, and practicability of the television control device is improved.

The invention discloses a livestock breeding water storage device capable of timely replenishing water, and relates to the technical field of animal husbandry. The device comprises a shell; a water inlet is formed in the bottom of the shell; an electric control device is fixedly connected to the top of the water inlet; a reserved groove is formed in the inner bottom of the shell; a water tank is formed in the middle of the shell; a movable groove communicating with the bottom of the water tank is formed in the inner wall of the shell; a floating block is movably connected to the middle of themovable groove; and a spring is fixedly connected to the inner top wall of the bottom of the floating block. According to the livestock breeding water storage device capable of timely supplementing the water, through cooperative use of a resistor and the electric control device, when the water exists in the water tank, the resistor is in a short-circuit state, the electric control device is in a non-working state at the moment, and when the water level in the water tank is lower than the bottommost position of the water tank, the electric control device is started at the moment, the water enters the water tank from the water inlet, and until the water tank is full of the water, the electric control device is turned off, so that the effect of automatically adding the water is achieved, timely adding of the water is facilitated, and the water quantity requirement of animals is met.

The invention relates to a furniture supporting device capable of keeping stable on various grounds and relates to the technical field of furniture. The device comprises a fixing seat, a storage battery is fixedly connected to the middle of the fixing seat, electromagnets which are evenly distributed are fixedly connected to the inner wall of the fixing seat, and clamping grooves which are evenlydistributed are formed in the bottom of the fixing seat. The invention discloses a furniture supporting device capable of keeping stable on various grounds. The electromagnet is matched with the dielectric plate for use; when the desk is placed on the uneven ground, the desk is folded; circuit connected with electromagnet, at the moment, the mobile rod corresponding to the concave part of the ground extends downwards under the action of the electromagnet and the magnetic block I; the concave part is filled; and when the telescopic block retracts into the mobile rod, the dielectric plate reduces the relative area of the positive plate and the negative plate to the lowest and is smaller than the minimum access voltage of the resistor, and only the corresponding electromagnet is powered off,so that the power resource is saved, the service life is prolonged, the fixing seat is effectively prevented from shaking, and the stability of the table is enhanced.

The present invention discloses a printing roller with a variable pattern for magnetic printing, and relates to the technical field of printing. The printing roller includes a rotary extraction joint,the right side of which is rotationally connected with a rotating shaft; the middle part of the left side of the rotating shaft is provided with an extraction port A; the outer side of the rotating shaft is fixedly connected with an embossing roller; and the middle part of the embossing roller is provided with an extraction port B adapted to the extraction port A. For the printing roller with thevariable pattern for magnetic printing, through cooperation of a movable rod cooperates with a device for generating magnetism from electricity, an embossed pattern is input into a control module bya computer before printing; the control module controls the corresponding device for generating magnetism from electricity to be electrified; the device for generating magnetism from electricity thenproduces magnetism and repels a magnetic block in the corresponding movable rod, so the embossing roller extends out of the movable rod and lifts a variable sleeve; the variable sleeve is raised to form a corresponding pattern, thereby the effect of changing the printing pattern is achieved; the embossing type is increased; at the same time, dyeing ink is effectively prevented from entering the embossing roller; the production efficiency is improved; and the production cost is reduced.

The invention discloses an anti-loosening tail gas treatment device based on a magnetoelectric principle, and relates to the technical field of air pollution control. The anti-loosening tail gas treatment device comprises a shell body, wherein a three-phase catalyst is fixedly connected to the middle of the shell body, two symmetrical magnetic rings are fixedly connected to the inner walls of thetwo ends of the shell body correspondingly, electromagnets are fixedly connected to the inner walls of the two ends of the shell body correspondingly, and uniformly-distributed springs are fixedly connected to the outer sides of the two sides of the shell body. According to the anti-loosening tail gas treatment device based on the magnetoelectric principle, through cooperative use of a limiting block and a limiting groove, tail gas can drive a closed coil in an impeller to continuously cut magnetic induction lines of the magnetic rings when the device is in use, current is generated accordingto the magnetoelectric principle and conveyed to the electromagnets, so that the electromagnets generate magnetism; and in addition, the limiting block moves towards the outer side and is clamped withthe limiting groove according to the principle that two like magnetic poles repel each other, so that an effect of preventing a fixing screw from loosening is achieved, tail gas leakage is effectively prevented, and fixing tightness of a tail gas treater is guaranteed.

The invention discloses a convenient-to-dismount and anti-slipping fixing device for a data collection terminal, and relates to the technical field of data collection. The convenient-to-dismount and anti-slipping fixing device for the data collection terminal comprises a data collection device; a lower clamping ring is rotationally connected with the bottom of the left side of the data collectiondevice; the middle part of the lower clamping ring is movably connected with a movable rod; and an oblique groove is formed in the inner side of the movable rod. According to the convenient-to-dismount and anti-slipping fixing device for the data collection terminal, the movable rods are in fit with movable blocks for use, in the original state, the movable blocks of an upper clamping ring and thelower clamping ring are in the contraction state, the movable rods are squeezed into the upper clamping ring and the lower clamping ring when the upper clamping ring is connected with the lower clamping ring in a clamping manner, at this moment, the movable blocks are in the extending state under the action of the movable rods, and anti-slipping mats are in close contact with an electric pole, sothat the fixing and anti-slipping effects are achieved; and the data collection device is fixed to the electric pole, so that a floor area is reduced, the yield of agricultural products is raised, the fixing device is effectively prevented from slipping, and the stability is improved.

The invention discloses a pressing-type automatic unfolding anti-loosening grounding pile for a building, and relates to the technical field of buildings. The grounding pile comprises a cone, and movable rods are fixedly connected to the two sides of the top of the cone correspondingly. The top of the movable rod is fixedly connected with a spring I; a pile body movably connected with the outer side of the movable rod is fixedly connected to the top of the first spring, a guide column movably connected with the bottom of the pile body is fixedly connected to the middle of the top of the cone,a limiting block is fixedly connected to the outer side of the top of the guide column, and a rotating block movably connected with the guide column is movably connected to the middle of the pile body. According to the invention, the movable blocks are matched with the anti-loosening plate for use; when the grounding pile is driven into the ground, the movable blocks can be unfolded outwards, theanti-loosening plates can be extruded outwards and unfolded under the action of the movable blocks, the anti-loosening plates and the ground are effectively extruded, the grounding pile is prevented from moving, and therefore the anti-loosening effect is achieved, the stability of the grounding pile is effectively improved, and the service life of a building is prolonged.

The invention discloses a wood board bending and pressing clamp based on electromagnetic control, and relates to the technical field of wood boards. The clamp comprises a positioning table, the bottomof the positioning table is in threaded connection with a screw rod, the middle of the positioning table is provided with uniformly distributed sliding grooves, the middle of the sliding grooves is in sliding connection with a sliding block in threaded connection with the outer side of the screw rod, two mutually symmetrical fixing blocks are fixedly connected to the two sides of the top of the sliding block, and the inner sides of the fixing blocks are fixedly connected with uniformly distributed first springs. According to the wood board bending and pressing clamp based on electromagnetic control, a movable block and the first springs are matched for use, the movable block is elastically connected with a fixing plate through the first springs, therefore, the movable block can perform movement and adjustment within a certain distance in the fixing plate, when a wood board is bent and pressed, the movable block can be adjusted according to the curvature of the sample board, and the curvature of the whole movable block is attached to the sample board, so that the effect of changing different curvatures is achieved, the bending and pressing efficiency is improved, the labor intensity is reduced, and the production cost is saved.

The invention relates to the technical field of sewage treatment, and discloses sewage light transmission characteristic adaptive environment-friendly treatment equipment which comprises a shell, a rotating shaft is movably connected to the shell, a supporting rod is movably connected to the surface of the rotating shaft, a magnet is movably connected to the end, away from the rotating shaft, of the supporting rod, and a compression spring is movably connected to the interior of the magnet. A sliding rail is fixedly connected to the top of the magnet, a liquid storage bag is slidably connectedto the surface of the sliding rail, a flow guide groove is formed in the liquid storage bag, a photoresistor is fixedly connected to the position, located on the surface of the flow guide groove, inthe liquid storage bag, a movable plate is movably connected to the surface of the liquid storage bag, and electromagnets are movably connected to the left and right sides of the movable plate. The electromagnet is arranged in the liquid storage bag, so that the compression spring is extruded to apply certain force to the surface of the liquid storage bag, the treating agent in the liquid storagebag flows into sewage from the flow guide groove, otherwise, the repulsive force between the electromagnet and the magnet is increased, the liquid storage bag is not extruded any more, and the effectof automatically controlling the feeding amount of the sewage treating agent by utilizing the sewage light transmittance is achieved.

The invention discloses a macromolecule water-based paint stirring device based on magnetic electricity generation, and relates to the technical field of polymer water-based paint and comprises a fixed table. Two symmetrical magnetic sheets are fixedly connected with the inner wall of the middle of the fixed table; a first magnetic ring is fixedly connected with the inner wall of the fixed table and close to the tops of the magnetic sheets; and a second magnetic ring is fixedly connected with the inner wall of the fixed table and close to the top of the first magnetic ring. According to the macromolecule water-based paint stirring device based on magnetic electricity generation, a closing coil matches the magnetic sheets for use; the opposite surfaces of the two symmetrical magnetic sheetsare opposite in magnetism, and thus magnetic induction lines are generated between the two magnetic sheets; when an output shaft rotates, the middle closing coil is driven to continuously cut magnetic induction lines between the magnetic sheets; according to the magnetic-to-electricity principle, current can be generated in the closing coil, and therefore the self-electricity-generating effect isachieved; kinetic energy is converted into electric energy through rotation of the output shaft; and electric power resources are effectively saved, and production cost is saved.

The invention discloses a die for a bending machine capable of changing any bending angle, and relates to the technical field of bending machines. The die comprises an upper die and a lower die, wherein the middle parts of the upper die and the lower die are respectively provided with uniformly-distributed telescopic grooves, and the bottom of each telescopic groove is fixedly connected with a first spring. According to the die for the bending machine and capable of changing any bending angle, toothed bars are matched with pressing plates for use, when the die is used, a sample is taken and placed between the upper die and the lower die, the angular tip of a plate faces downwards and is located in the middle of the pressing plates of the lower die, and then the upper die and the lower diemove towards each other, as the toothed bars are elastically connected with the first springs, the toothed bars can be adjusted up and down, meanwhile, as the pressing plates can rotate, the pressingplates can gradually rotate along with second springs of the upper die and the lower die, and finally the pressing plates rotate to the same angle as the sample, so that the effect of changing the bending angle is achieved, the operation is simple, the upper die and the lower die do not need to be disassembled, the disassembly time is saved, the production efficiency is improved, and the labor intensity of workers is reduced.

The invention discloses an adjustable fixing device used for maintenance of motor shells and capable of achieving centering, and relates to the technical field of civil cleaning equipment. The fixing device comprises a mounting seat, the middle part of the mounting seat is rotatably connected with a rotary table, the middle part of the rotary table is provided with uniformly distributed limiting grooves, the middle parts of the limiting grooves are movably connected with limiting columns, and the back surfaces of the limiting columns are fixedly connected with movable blocks. According to the adjustable fixing device used for maintenance of the motor shells and capable of achieving centering, through cooperative use of the rotary table and the limiting columns, in an initial state, telescopic blocks are in a stretching-out state under the action of first springs, the movable blocks are located at the innermost side of the mounting seat, and when the shells are fixed, the shells are placed in the middle of the mounting seat firstly, then the rotary table is rotated, the movable blocks move towards the inner side of the mounting seat through the limiting grooves and the limiting columns, adjustment is performed according to the shells of different sizes, and the shells are clamped and fixed by clamping plates, so that the adjustable effect is achieved, the clamping range is increased, the cleaning cost is saved, and the cleaning efficiency is improved.