933results about How to "Improve connection stability" patented technology

The utility model discloses a kind of high-efficiency oscillation mechanism of full-automatic blood culture instrument, it is related to medical supplies technical field.The utility model includes oscillation component, the left of bottom plate is equipped with motor, the outer peripheral wall of round plate is uniformly fixed with boss, the right of round plate is equipped with arc spring, spring is close to the end plate of round plate one end with mounting plate fixed, upper boss is symmetrically fixed in the along edge of placing plate lower wall, the clockwise direction of two upper bosses is equipped with lower boss with bottom plate fixed;Fixed component includes the moving plate being equipped in the upper of limit disc, the lower wall of moving plate is fixed with elastic cotton.The utility model is placed in the culture bottle of placing plate by spring and boss under rotation state and realizes reciprocating rotation to realize oscillation, and by the cooperation of upper boss and lower boss, culture bottle reciprocating up and down movement further improves oscillation effect, realizes the efficient oscillation of culture bottle, by elastic cotton to culture bottle extrusion fixed, improve the stability of culture bottle when oscillating.

The utility model relates to electronic protector technical field, concretely is a kind of TVS device with automatic open circuit protection function, including device body, automatic open circuit protection mechanism and pin connecting mechanism, and automatic open circuit protection mechanism and pin connecting mechanism are fixedly connected in the inside of device body, in the utility model, through the setting of fusible wire, temperature sensor and memory alloy spring, the automatic open circuit protection of TVS device when encountering abnormal overcurrent or overvoltage is realized, fusible wire can rapidly fuse, and timely cut off circuit connection, prevent the further expansion of fault range, temperature sensor real-time monitoring temperature, when temperature abnormally rises, memory alloy spring will rapidly change under the signal driving of temperature sensor, the pressure generated by its deformation can assist fusible wire to fuse more quickly when reaching fusing temperature, greatly shorten the response time of automatic open circuit protection, greatly improve the security and reliability of circuit.

The utility model discloses a kind of modularization wallboard systems, it is related to prefabricated wallboard technical field, including multiple specifications wallboard, ceiling beam component, support piece, first connecting piece, second connecting piece and third connecting piece;One end of the support piece is connected with the ceiling beam component, another end of the support piece is connected with ground or the wallboard;The wallboard is connected by first connecting piece between wallboard, the wallboard is connected by second connecting piece between the support piece, the wallboard is connected by third connecting piece with the ground;Multiple specifications wallboard, ceiling beam component and support piece form the enclosure structure of modularization splicing, reduce the dependence of traditional construction in site gradually masonry or multiple temporary process, facilitate on-site quick assembly, help to shorten construction period.

The application relates to the technical field of eyeglass frames, in particular to a clamping type eyeglass frame which comprises a front frame assembly, a temple assembly and a clamping locking assembly. The front frame assembly is provided with a mounting groove, the temple assembly is quickly assembled by being matched with the limiting groove through an elastic buckle, the guide block and the limiting groove ensure accurate positioning, and the reset spring and the unlocking button realize a quick disassembly function. The positioning column and the positioning hole are matched to enhance the connection stability, and the annular groove and the elastic protrusion provide a anti-disengagement function. The application can simplify the assembly process, improve the structural stability, meet the modular design requirement, facilitate users to replace the temples or maintain, meanwhile, the traditional structure loosening problem is avoided, and the use reliability is improved.

The utility model provides a tamping device for electric power construction, and relates to the field of electric power construction. Comprising a tamping machine body and supporting bases arranged on the two sides of the tamping machine body, the tamping machine body comprises a machine base and a tamping mechanism, and the tamping mechanism is arranged in the center of the machine base; the supporting base comprises a supporting plate and an adjustable bottom plate. The supporting plate is vertically arranged on the side wall of the machine base in a sliding mode, and a plurality of elastic supporting columns are arranged between the supporting plate and the bottom of the machine base. A driving piece is arranged on the machine base and used for driving the supporting plate to vertically slide; the adjustable bottom plate is arranged at the bottom of the supporting plate in a universal rotating mode and is fixed to the supporting plate and the ground through a locking structure. The height of the supporting seats on the two sides of the tamping machine body can be adjusted, the mounting angle of the adjustable bottom plate can be adjusted, the perpendicularity of the tamping machine body and the horizontal plane is guaranteed, accordingly, the tamping machine adapts to the uneven bottom face, and the overall stability is guaranteed.

The utility model relates to ecological retaining wall technical field, concretely is a kind of assembled ecological retaining wall block, including base block, protruding part, butt joint assembly, ecological groove, first connecting hole, second connecting hole and connecting assembly;Ecological groove is set away from the end of base block and soil layer contact;First connecting hole is provided with two groups;Connecting assembly is respectively detachably connected with the second connecting hole and first connecting hole in the upper and lower two groups of base blocks.The utility model is connected with the horizontal direction of adjacent two groups of base blocks by butt joint assembly, and the connection stability is high;Through connecting assembly, adjacent two groups of base blocks are connected in vertical direction, and the assembly efficiency is improved by assembling fast and convenient;Through the setting of rack and give place to part, the contact area of base block and soil layer is improved, the contact surface of the upper and lower adjacent multiple groups of base blocks and soil layer is trapezoidal by the setting of protruding part, further improves adhesion, and improves use safety.

This utility model discloses a high coaxiality radio frequency connector, including a male and a female connector. The female connector has three sets of connecting plates on its outer periphery, and the male connector has three sets of insertion slots on its outer periphery that mate with the connecting plates. A disassembly component for separating the male and female connectors is located beside the insertion slots. The female connector is inserted into the insertion slot of the male connector via the connecting plates, completing the coaxial connection between the male and female connectors. This utility model, through the cooperation between the connecting plates of the female connector and the insertion slots of the male connector, and the correspondence between the fastening protrusions and the positioning slots, makes the connection between the male and female connectors more precise, effectively preventing displacement or deformation of the inner and outer conductors caused by frequent insertion and removal, maintaining stable coaxiality, and ensuring signal transmission consistency and reliability.

This utility model discloses a wire-pair shielded data transmission cable with high transmission performance, comprising: a cross-shaped frame, the four isolation walls of the cross-shaped frame having different wall thicknesses, a buffer groove provided at the top of the isolation wall, and a folded groove aligned with the bottom of the buffer groove on the outer wall of the isolation wall, a filling rope and a set of twisted core wires arranged in the cavity between two adjacent isolation walls, aluminum-plastic composite tape wrapped around the twisted core wires, and tinned copper wire braided tape woven on the cross-shaped frame, the tinned copper wire braided tape being in direct contact with the aluminum surface of the aluminum-plastic composite tape, the tinned copper wire braided tape abutting against the twisted core wires and compressing the buffer groove, the groove wall of the buffer groove bending along the folded groove and abutting against the tinned copper wire braided tape after being compressed by the tinned copper wire braided tape, a wrapping tape wrapped around the tinned copper wire braided tape, and a sheath extruded onto the wrapping tape. This utility model has a simple structure and excellent signal shielding performance both internally and externally.

The utility model discloses a kind of metal intelligent chip card packaging structures, including card base and chip module connected on card base, the card base at least includes upper structural layer, antenna layer and lower structural layer which are thin sheet and are sequentially laminated, the antenna layer is equipped with radio frequency antenna, the radio frequency antenna has at least two conductive contact parts, the card base is equipped with the mounting groove for accommodating chip module in the upper of conductive contact part, the mounting groove groove bottom is equipped with the conductive connection groove extending to conductive contact part downwards, the chip module bottom has the chip contact exposed after packaging, the conductive connection groove is equipped with the conductive material column in the lower part and conductive contact part conductive connection, upper part protrudes upwards and is connected with chip contact conductive connection, the utility model aims at overcoming the deficiency of prior art, provide a kind of metal intelligent chip card packaging structure with compact structure, strong stability.

The utility model relates to the technical field of passage control equipment, and disclose a vertical non -inductive passage device, including box, identification subassembly, gate and buried part: the lower surface of box and the upper surface of buried part are pasted, the lower surface middle position of box is installed with male block through bolt, is set up in the insertion slot on buried part, the both sides of insertion slot all are set up with lateral groove. This kind of vertical non -inductive passage device, through setting the positioning post on the lower surface of the box, the positioning slot is correspondingly set up on the buried part, the quick accurate positioning of the box and the buried part can be realized by the plug-in cooperation, and the installation process is greatly simplified. At the same time, after the male block of the box bottom inserts the insertion slot of the buried part, the spring in the lateral groove pushes the convex side of the limiting block and the male block to closely adhere, forms effective limiting, and the guiding effect of connecting rod no.

This application relates to the field of wind turbine blades, and discloses a root structure and a wind turbine blade. The root structure includes a root skin structure and a connecting assembly. The root skin structure includes a first skin layer and a second skin layer arranged radially, with a cavity formed between the first and second skin layers. The connecting assembly is connected to the cavity and includes multiple bolt sleeves, multiple extension sections, multiple fillers, and a reinforcing structure. The bolt sleeves are spaced circumferentially along the root skin structure. Extension sections are connected to one end of each bolt sleeve along its length. A filler is placed between adjacent bolt sleeves, supporting the first and second skin layers. The filler is bonded to the bolt sleeve and the extension section with a reinforcing structure. The equivalent elastic modulus of the reinforcing structure is greater than that of the extension section and less than that of the bolt sleeve. This improves the reliability of the wind turbine root.

This utility model relates to the field of connector technology, specifically disclosing a flared-end to ferrule type connector, including a transfer component. One end of the transfer component is threadedly connected to a ferrule end component, and the other end of the transfer component is threadedly connected to a flared end component. An auxiliary limiting component is provided between the flared end component and the ferrule end component. The transfer component includes a transfer connecting pipe, the end of which near the flared end component has a tapered structure. The ferrule end component includes a ferrule nut body threadedly connected to one end of the transfer connecting pipe. A ferrule connector body is provided inside the ferrule nut body, and the ferrule body is provided on one side of the ferrule connector body. This utility model, through the designed ferrule end component and flared end component, can directly realize the mutual connection between ordinary interfaces and copper pipe interfaces, improving connection efficiency. At the same time, the disassembly and reassembly of the shipyard pipeline interface and the ferrule end component are convenient, without affecting the repeated disassembly and reassembly of the shipyard pipeline interface.

This utility model discloses a stainless steel kitchenware sheet positioning and clamping device, specifically relating to the field of sheet positioning and clamping technology. It includes two supporting top plates, with supporting vertical plates symmetrically fixedly connected to the bottom ends of the supporting top plates. A movable plate is provided on one side of each supporting vertical plate, and a supporting base is provided at the bottom of the movable plate. A third hydraulic push rod is fixedly connected to the top side of the supporting base, and a stabilizing rod is inserted into the bottom end of the movable plate. This utility model first controls the supporting vertical plates to move the supporting top plates up and down by activating the second hydraulic push rod. The installation height can be adjusted according to the position of the processing equipment. The distance between the two supporting top plates can be adjusted by activating the third hydraulic push rod, thereby adjusting the maximum distance of the width limit. Furthermore, the connecting plate is located in the middle of the limiting groove through the fixing rod penetrating the middle of the fixing sleeve, improving the connection stability of the two supporting top plates, enhancing installation adaptability, increasing compatibility with processing equipment, and improving the overall performance.

The utility model relates to the technical field of building engineering, concretely relates to the optimization design of the structure of external scaffold and steel sheet net connecting device, the utility model is realized through the following technical scheme: a kind of external frame steel sheet net connecting device, including connecting steel pipe and connecting plate, the one end of connecting steel pipe is provided with the slot for the insertion of connecting plate along its length direction, and the slot extends the clamping interface of connecting steel pipe in the circumferential direction;Connecting plate includes the horizontal main part of part insertion in the connecting steel pipe, and the convex part of the clamping interface resistance cooperation that is outwardly extended horizontally from horizontal main part. The utility model aims at the improvement of the structure of connecting steel pipe and connecting plate itself, the stable connection of both can be realized without additional connecting bolt, eliminate the security risk caused by bolt drop, enhance the security and stability in construction process.

The utility model discloses a robot foot sole, a robot leg and a robot. The foot sole comprises a foot sole supporting piece, a foot sole mounting piece and an elastic piece. The plantar supporting piece comprises a plantar supporting outer surface far away from one side of the robot and a plantar supporting inner surface close to one side of the robot, and a plantar supporting mounting part is arranged on the plantar supporting inner surface; the plantar mounting piece is detachably connected with the plantar supporting mounting part; the elastic piece is arranged in the sole supporting piece; the foot sole mounting piece is detachably connected with the foot sole supporting mounting part, so that the foot sole supporting piece is convenient to disassemble and assemble, the operation time is greatly shortened, and the maintenance efficiency is greatly improved; the elastic piece is arranged in the sole supporting piece, the mechanical damping function is achieved, the sole supporting piece can be made of a hard material, then the abrasion resistance of the sole supporting piece is improved, meanwhile, it is guaranteed that the sole has the good buffering performance through the arrangement of the elastic piece, and the selection contradiction problem of damping performance and durability in a traditional structure is solved.

The utility model relates to a stationary shaft shoulder stirring head which comprises a shaft shoulder and a stirring head coaxially butted with the tail end of the shaft shoulder, the stirring head is of a circular truncated cone structure, the flaring end of the stirring head is coaxially butted with the tail end of the shaft shoulder, and a threaded groove is formed in the annular wall in the axial direction of the stirring head; the stirring head of the circular truncated cone structure is adopted, the design of the axial thread grooves in the annular wall can play a spiral flow guide role on softened metal materials, the problem of material overflow caused by a traditional plane shaft shoulder is effectively avoided, the welding seam filling rate and the joint compactness are remarkably improved, and defects are reduced. Through the synergistic effect of the circular truncated cone structure and the threaded groove, stress is dispersed through the continuous and smooth geometrical shape, the problem of stress concentration caused by multi-groove spaced arrangement of involute grooves in the prior art is solved, meanwhile, the design that the flaring end of the stirring head is embedded into the shaft shoulder ring groove enhances the connection stability, vibration abrasion under high-speed rotation is reduced, and the stirring effect is improved. Durability of the stirring head is remarkably improved, and use cost is reduced.

The present application relates to the technical field of welding, and specifically discloses a motor liquid-cooled shell welding device, which comprises a workbench, a rotating disc, an inner-outer positioning mechanism, a coaxial positioning mechanism and a pressing mechanism. The inner-outer positioning mechanism, the positioning shaft, the insert, the positioning locking assembly and the pressing mechanism are used for multi-dimensional guarantee of the concentricity of the inner cylinder, the outer cylinder, the annular plate and the welding machine from the bottom, the top and the side, so that the problems of weld offset, uneven penetration, one-side wide and one-side narrow of the welding seam of the welding machine and the like caused by the rotation centrifugal force of the inner cylinder, the outer cylinder and the annular plate are effectively avoided. Meanwhile, the pressing mechanism is provided with a plurality of circumferentially uniformly distributed pressing assemblies, which are matched with the bearing steps on the inner cylinder and the outer cylinder to realize the up-down bidirectional limiting of the annular plate, prevent the annular plate from floating due to the centrifugal force during the rotation and affect the welding quality of the welding seam, and the wear-reducing roller can prevent the annular plate from floating and radial movement due to thermal deformation without affecting the rotation of the workpiece.

This application belongs to the field of carbon fiber tube manufacturing technology, and discloses a carbon fiber tube centrifugal forming manufacturing system and process. The carbon fiber tube centrifugal forming manufacturing system includes a mold assembly and a centrifugal drive assembly. The mold assembly includes a module frame, individual frames, and mold components. The module frame is detachably connected to several individual frames, and the individual frames are detachably connected to several mold components. The mold components include a tubular mold with external hexagonal sleeves at both ends and detachably connected plugs at the ends. The centrifugal drive assembly includes a housing, a motor, and a platform. The housing and motor are mounted on the platform. A gear set inside the housing enables the motor to drive the external internal hexagonal sleeve to rotate. The internal hexagonal sleeve and the external hexagonal sleeve are inserted and engaged to drive the tubular mold to rotate and achieve centrifugal forming. This application solves the pain points of existing equipment and processes, such as poor versatility, cumbersome operation, low forming accuracy, and limited efficiency, through synergistic optimization of structure and process.

The utility model discloses a kind of high-precision plug-in durability test equipment, belong to quick coupling detection technical field, including test box, the inside fixed connection of test box has workstation, the top fixed connection of workstation has the bottom plate of upper and lower parallel distribution, and fixedly connected with precision guide rod between bottom plate;The utility model, the setting of precision guide rod ensures that the sliding direction of push plate is accurate, prevents push plate deviation and causes plug alignment deviation;Female plug and female plug base thread connection, male plug and male head base bolt fixing mode, both facilitate staff to dismantle replacement female plug and male plug at any time, adapt to the test demand of different model plug, improve equipment versatility;Driving unit drives push plate to complete plug-in action automatically, replace manual operation, not only improve test efficiency, also avoid the error of manual operation, ensure the consistency of test result.

This utility model relates to the field of concentrated brine purification technology, specifically a tubular membrane nanofiltration reactor for removing fluoride and silica from monovalent concentrated brine. It includes an outer shell; a membrane shell, fixedly installed inside the outer shell, designed in a cylindrical shape, with a gap between its outer wall and the inner wall of the outer shell; a tubular membrane, movably installed inside the membrane shell, with multiple filter holes arranged in a ring array on its outer surface; multiple outlet holes, movably penetrating the outer shell and the side wall of the membrane shell, communicating with the filter holes; an outlet pipe, fixedly installed at the outlet hole; a pipe, fixedly installed on both ends of the tubular membrane, communicating with the interior of the tubular membrane; a connecting pipe, movably snapped into the pipe; and a snap-fit ​​assembly, located at the connection between the connecting pipe and the pipe, ensuring a stable connection. The tubular membrane nanofiltration reactor for removing fluoride and silica from monovalent concentrated brine provided by this utility model improves the connection stability between the connecting pipe and the pipe through the snap-fit ​​assembly, ensuring sufficiently stable connections between adjacent tubular membranes.

The utility model discloses a nutrition pump valve which comprises a main valve body assembly arranged in an outer shell, the interior of the main valve body assembly is divided into a main flow guide cavity and an adjusting cavity through a partition plate, the end, away from the adjusting cavity, of the main flow guide cavity is provided with a conical flow guide groove which is coaxially communicated, and the caliber of the end, close to the adjusting cavity, of the conical flow guide groove is larger than that of the end away from the adjusting cavity. The adjusting cavity is communicated with the outside through a liquid inlet pipeline, and the tail end of the conical flow guide groove is communicated with the outside through a liquid outlet pipeline. According to the nutrition pump valve, the conical valve element with the adjustable position is arranged in the main valve body, transmission structures such as the threaded rod, the gear set and the rotary knob are matched, fine adjustment of nutrient solution flow is achieved, adjustment response is stable, the visualization degree is high, infusion precision is improved, and the nutrition pump valve is convenient to use. And individual requirements of different patients in clinical use can be met.

The utility model relates to a neodymium-iron-boron magnet assembly which comprises mounting parts and magnet bodies movably arranged in the mounting parts, the mounting parts and the magnet bodies are arranged in pairs, connecting parts are arranged on the magnet bodies, the paired magnet bodies attract each other and are clamped through the connecting parts, positioning convex parts are arranged in the mounting parts, and the positioning convex parts are arranged in the mounting parts. The positioning convex part is made of an elastic material, and a concave part corresponding to the positioning convex part is arranged on the magnet main body. By arranging the mounting part and the magnet main bodies and arranging the connecting part on the magnet main bodies, the paired magnet main bodies can attract each other and are clamped and fixed through the connecting part at the same time, the connection stability of the magnet main bodies is improved, and loosening is avoided; the magnet can be clamped and fixed through the positioning convex part and the magnet main body, loosening is avoided, installation is convenient, and meanwhile abrasion to the magnet main body during installation can be reduced.

The utility model relates to the technical field of folding carts, and provides an installation part which comprises a body, and side plates are formed on the two sides of the body. A sliding groove is defined by the side plates and the main body and can be connected with a supporting rod of the folding cart in a clamped mode. Therefore, the connection between the mounting part and the folding cart is realized, and the connection stability between the sunshade and the folding cart can be improved. A clamping groove is formed in a side plate on any side of the main body, and the clamping groove can be clamped with a flange arranged on the supporting rod; the clamping groove is matched with the flange of the supporting rod, so that the mounting piece and the supporting rod can be connected more stably; and finally, a connecting hole is formed in the main body in the axial direction, and the connecting hole is used for connecting a connecting rod of the sunshade, so that the sunshade can be connected with the folding cart through the mounting piece. Therefore, the sunshade can be easily connected by the mounting piece, and the sunshade cannot shake or fall off.

The application discloses a kind of FPC temperature acquisition structures, including the temperature acquisition component of connecting aluminum-based FPC, temperature acquisition component includes integrally injection-molded temperature acquisition shell and conductor structure, temperature acquisition shell includes temperature acquisition part with temperature sensor and positioning part with connecting window, conductor structure is formed by copper material connecting piece and aluminum material connecting piece composite Copper material connecting piece is extended to temperature acquisition part and connected with temperature sensor, and aluminum material connecting piece is welded with aluminum-based FPC at connecting window position, the combination of same metal is better, welding strength is high and contact area is large, improve electrical contact performance, so that temperature information collected by temperature sensor can be reliably transmitted to FPC product, this conductor structure is designed using copper-aluminum composite structure, with high bonding strength, excellent conductivity and thermal conductivity, easy to weld, low contact resistance characteristics, can meet the welding requirements of conductor structure and aluminum-based FPC, also can reduce production cost, improve product performance.

The invention relates to the technical field of cross-linked polyethylene insulated cables, and provides a high-strength tensile-resistant mining cross-linked polyethylene insulated cable which comprises a conductor, a cross-linked polyethylene insulating layer, an inner sheath, an armor layer and an outer sheath, the cross-linked polyethylene insulating layer wraps the conductor, the armor layer is arranged outside the inner sheath, and the outer sheath is arranged outside the inner sheath. The outer sheath wraps the outer portion of the armor layer, the cable further comprises a plurality of tensile protection sleeves and tensile connecting pieces, the tensile protection sleeves are arranged outside the outer sheath and provide external protection for the cable, meanwhile, the tensile protection sleeves are provided with mechanical interlocking structures, the tensile connecting pieces are used for connecting every two adjacent tensile protection sleeves, and the tensile protection sleeves are arranged outside the outer sheath and provide external protection for the cable. And meanwhile, the tensile connecting piece located at the edge of the cable is connected with a reinforcing piece used for being connected with equipment connected with the cable. According to the technical scheme, the problem that a traditional mining cable in the prior art is poor in tensile property and protective property when facing a complex mine environment is solved.

This utility model relates to the technical field of fluid constant temperature conveying equipment, and discloses a fluid constant temperature conveying device, including a conveying pipe, a fixed plate, a connecting pipe, a connecting plate, and a motor. The fixed plate is fixedly connected to the surface of the conveying pipe, the connecting pipe is fixedly connected to the surface of the conveying pipe, and the motor is fixedly connected to the surface of the conveying pipe. The fixed plate has a connecting plate on its surface and an installation structure, including a groove, on its surface. This utility model solves the problem that existing devices rely on manual adjustment of the connecting plate position, lack a guiding structure, resulting in long installation times and easy misalignment. Over time, this increases the user's workload and affects the device's working efficiency.

This utility model discloses a pipeline protection channel, characterized by comprising a plurality of channel plates connected in sequence. Each channel plate has its two sides bent upwards to form side guards. The channel plates and side guards form a receiving groove, within which are arranged a plurality of support plates arranged side-by-side in sequence. The support plates are fixedly connected to the channel plates and side guards, and each support plate has a plurality of pipe grooves. One end of each channel plate is fixedly connected to a connector, and the other end has a connector groove. The channel plates, side guards, support plates, and connectors are integrally molded from SMC sheet molding compound. This utility model's pipeline protection channel, integrally molded from SMC sheet molding compound, combines high strength and corrosion resistance, is lightweight, corrosion-resistant, and has a long service life. The reinforcing rib design of the channel plates and side guards significantly improves structural strength and reduces the risk of deformation and damage caused by external impacts. The dual design of the connector, connector groove, and wire connection enhances connection stability, simplifies the installation process, and can adapt to complex terrains such as bends and height changes.

The application relates to the technical field of tail gas treatment, and provides a tail gas treatment device, which comprises a primary purification kettle and a secondary purification kettle connected in sequence, the primary purification kettle is connected with an air inlet pipe, and the secondary purification kettle is connected with an air outlet pipe; a filter screen is arranged in the primary purification kettle, an adsorption box is arranged in the secondary purification kettle, a plurality of adsorption boxes are arranged at intervals along the airflow direction, and adsorption medium is arranged in each adsorption box. The tail gas treatment device can improve the adsorption effect on pollutants in tail gas.

The utility model belongs to plastic magnetic rotor field especially relates to a plastic magnetic rotor of stable structure. The utility model provides a plastic magnetic rotor of stable structure, include: the axle core, the equal interval spacing fixed connection of outer circumferential surface of axle core along the axial direction has a plurality of annular boss, plastic magnetic ring, the inner circumferential surface of plastic magnetic ring is equipped with the annular recess of corresponding with annular boss one to one, mechanical occlusion mechanism, is located between annular boss and annular recess, is used for enhancing the mechanical occlusion force between annular boss and annular recess, further improves the stability of plastic magnetic rotor structure, through annular boss and recess cooperation and mechanical occlusion mechanism, enhance the connection stability of plastic magnetic ring and axle core, avoid the clearance produced because of the aging failure of glue, prevent plastic magnetic ring and axle core relative rotation or axial movement, reduce equipment vibration and noise, avoid rotor failure.