128results about How to "Small outer diameter" patented technology

The invention discloses a high-flexibility bending-resistant synchronous twisted-pair shielding flame-retardant towline cable, and relates to the technical field of cables, the towline cable comprises a plurality of chain links, the plurality of chain links form a towline, the inner side of each chain link is provided with a cable structure, each chain link is provided with a cable blocking structure, the cable structure comprises an outer sheath layer, and the outer sheath layer is provided with an outer sheath layer. The inner side of the outer coating layer is provided with a braiding layer, the inner side of the braiding layer is provided with a wrapping layer, the inner side of the wrapping layer is provided with a core wire, the inner side of the core wire is provided with a conductor, the inner side of the wrapping layer is provided with a filler, and the cable structure is formed by synchronously completing pair twisting and total twisting of five types of oxygen-free copper flexible conductor wires or six types of oxygen-free copper flexible conductor wires. The outer diameter of the finished cable is small, the bending resistance of the cable structure is enhanced, the phenomenon that the cable structure is prone to open circuit and short circuit in the high-frequency bending process is avoided, and meanwhile, through the cooperative use of the cable blocking structure and the disassembly and assembly structure, when the single cable structure is damaged, independent disassembly and replacement can be carried out.

The invention relates to the technical field of aviation optical cables, in particular to a high-temperature optical cable for aviation and a preparation method of the high-temperature optical cable for aviation, and the high-temperature optical cable for aviation comprises a high-temperature optical fiber, a stainless steel loose sleeve protection tube, a fiber-woven reinforcement piece and a high-temperature-resistant polymer sheath, the stainless steel loose tube protection tube is sleeved with the fiber woven reinforcing piece, and the fiber woven reinforcing piece is sleeved with the high-temperature-resistant polymer sheath; according to the technical scheme, the temperature resistance grade of the aviation optical cable can be improved to 300 DEG C, and the product is small in structural size and light in weight and has good use characteristics of tensile strength, compression resistance, bending resistance and the like.

The invention relates to the technical field of motors, and provides a rotating mirror motor and a laser radar. The rotating mirror motor comprises a rotor assembly, a fixing structure and an angular position sensor, the rotor assembly comprises a shell, a rotating shaft and a magnetic pole, the fixing structure comprises a stator assembly, a mounting sleeve and a base, the mounting sleeve is partially located in the shell and partially extends out of the shell through an opening, and the mounting sleeve movably sleeves the rotating shaft. The stator assembly is installed on the outer side of the installation sleeve in the shell and used for generating a rotating magnetic field for driving the magnetic poles to rotate, the base is installed on the installation sleeve outside the shell, the angular position sensor comprises a trigger piece and an induction piece, the trigger piece is installed at the second end of the shell, and the induction piece is installed on the surface of the side, close to the shell, of the base. The outer diameter of the shell does not need to be enlarged to wrap the angular position sensor and other components, the outer diameter of the shell and the outer diameter of the rotating mirror can be reduced, the miniaturization design of the laser radar is facilitated, and the laser radar can be installed on equipment with a narrow space.

The invention discloses an energy supply transformer and a monitoring system and method. The energy conversion unit comprises a shell, a sealing terminal, and an iron core, a primary winding, a secondary winding, an insulating supporting plate, an insulating limiting plate, an insulating partition plate, an insulating pad and a metal support which are arranged in the shell; the sealing terminal is arranged on the shell and is used for sealing and leading signals in the shell out of the shell; one end of the metal support is fixed with the iron core through the insulation pad, and the other end of the metal support is fixed on the inner wall of the shell; the primary winding and the secondary winding are coaxially arranged with the iron core and are sleeved outside the iron core; the insulating support plate is arranged between the winding and the iron core and fills a gap between the winding and the iron core; the insulating limiting plate and the iron core are coaxially arranged; the insulating supporting plate and the insulating limiting plate are made of high-dielectric-constant materials. And an insulating partition plate is arranged between the primary winding and the secondary winding. The invention aims to solve the problems that a cantilever beam structure is large in stress, poor in heat dissipation performance and large in boundary dimension, and a voltage-sharing capacitor needs to be arranged.

The invention provides a high-gain large-angle beam deflection antenna based on a metasurface, and relates to the technical field of wireless communication. Comprising a first metasurface structure and a dual-polarized microstrip antenna structure which are arranged at an interval from top to bottom; the first metasurface structure is composed of a plurality of first annular patches, a plurality of first cross-shaped round patches, a plurality of first square annular patches, a first dielectric substrate and a second dielectric substrate, and the plurality of first annular patches which are periodically arranged are printed on the upper surface of the first dielectric substrate; a plurality of first cross-shaped circular patches which are periodically arranged are printed on the lower surface of the first dielectric substrate, the plurality of first cross-shaped circular patches are connected to the upper surface of the second dielectric substrate, and a plurality of first square annular patches which are periodically arranged are printed on the lower surface of the second dielectric substrate; the outer diameters of the first annular patches are not changed, and the inner diameters of the first annular patches are reduced along the positive half axis of the x axis. The outer diameters of the first square annular patches are not changed, and the inner diameters of the first square annular patches are reduced along the positive half axis of the x axis. Therefore, the antenna beam deflection is controlled, and the antenna gain is improved.

The invention discloses an obstruction suction device, and belongs to the technical field of medical instruments. The obstruction suction device comprises a handle part and a catheter part, wherein the catheter part is connected with the handle part; the catheter part sequentially comprises a bending adjusting section, a transition section and a main body section from the far end to the near end, and the hardness of the bending adjusting section of the catheter part is minimum; a hollow cavity extending in the axial direction is formed in the catheter part, a bending adjusting unit is arranged in the hollow cavity in a penetrating mode, the far end of the bending adjusting unit is connected to the bending adjusting section, the near end of the bending adjusting unit is arranged on the handle part, and the bending adjusting unit is used for adjusting the bending form of the bending adjusting section. The bending adjusting unit in the obstruction suction device does not need to penetrate through the inner wall of the catheter, the performance advantages of a common non-bending-adjustable catheter are reserved, the catheter has the small outer diameter, meanwhile, the catheter has the excellent characteristics of a bending-adjustable catheter, the catheter has the better passing ability in a blood vessel, and damage to the blood vessel wall is reduced.

The utility model provides a transmission box for a door lock, and relates to the field of door locks, the transmission box comprises a track box, a lock box and a gear, the lock box is arranged at one end of the track box, a transmission shaft is arranged on the lock box, clamp blocks are arranged at the upper end and the lower end of the transmission shaft, an outward protruding part is arranged at one end of the transmission shaft, and a transmission part is arranged in the lock box; a groove is formed in one side of the transmission part, the outer protruding part extends into the groove, a first tooth set is arranged on the rail box, a second tooth set is arranged on the other side of the transmission part, the gear is meshed with the first tooth set and the second tooth set, and locking points are arranged at the upper end and the lower end of the rail box. The transmission part and the gear are adopted for transmission, the outer diameter of the gear of the power shaft is reduced, the transmission gears capable of achieving the speed change function are arranged at the two ends of the gear, the defect that the transmission stroke of fan-shaped gear teeth is reduced when the base is universal is overcome, and the transmission device is simple in structure and reasonable and reliable in design.

The utility model discloses a mounting structure of cooling coil of speed reducer, including cooling coil, the cooling coil includes: the coil body and two connecting pipes of connecting in two ends of the coil body respectively, the coil body is oblique spiral shape. The utility model discloses oblique spiral body facilitates the dismounting of cooling coil, and the contact area with the lubricating oil in the gear box body is big, and the conductivity is good, and the cooling effect is obvious, and the working efficiency of gear box is greatly improved.

Provided in the embodiments of the present application is a megawatt parallel pipe type charging pile cable, specifically: the cable comprises a sheath assembly, a main power line, cooling pipes and core wires; wherein the cooling pipes are at least 4 in number; the sheath assembly covers the main power line, the cooling pipes and the core wires; the cooling pipes are arranged in close contact with the sheath assembly, and the cable is centrally provided with the core wires; the cooling pipes are distributed at equal intervals; the main power line comprises positive power lines and negative power lines, and the positive power lines and the negative power lines are arranged in one-to-one correspondence and symmetry; the positive power lines and the corresponding negative power lines are arranged in close contact with different cooling pipes, respectively. The present application adopts a multi-core split design for the main power line comprising positive power lines and negative power lines, each independent core wire is closely attached to the outer wall of the cooling pipe, heat conduction is strengthened through direct contact, and heat is efficiently transferred vertically to the cooling liquid.

The invention discloses biopharmacy detection equipment which comprises a machine shell and is characterized in that a sampling press-fit assembly provided with a press-fit track is fixedly installed on the machine shell, a collecting belt is inserted into the press-fit track of the sampling press-fit assembly, the head of a sampling bag is pulled by the sampling press-fit assembly to be conveyed in the press-fit track of the sampling press-fit assembly, and the head of the sampling bag is driven by the sampling press-fit assembly to be conveyed in the press-fit track of the sampling press-fit assembly. When the head of the machine shell is inserted into sampling liquid, the two collecting belts are driven by the press-fit assembly to conduct press-fit collecting action. The collecting belt is inserted into the pressing track of the sampling pressing assembly, the head of the collecting belt is stably connected into the sampling pressing assembly, it is ensured that the position of the collecting belt is accurate, and the sampling pressing assembly drives the collecting belt to move along the pressing track. When the collection belt reaches the end part of the track, the pressing assembly can drive the two belt bodies of the collection belt to be precisely attached and perform pressing operation, so that quantitative collection and sealed storage of samples are completed. After pressing is completed, the collecting belt is safely brought back under the control of the pressing assembly.

The utility model relates to the technical field of food processing, and discloses a die head mechanism of a noodle extruding machine and an extrusion forming hole, the extrusion forming hole is used for the die head mechanism of the noodle extruding machine and comprises a forming section, and a plurality of extrusion protrusions are arranged on the inner circumferential surface of the forming section in an inward protruding mode. The extrusion bulge is used for extruding on the peripheral surface of the round and straight surface to form an extrusion groove arranged along the axial direction, and the two extrusion edges of the extrusion bulge are different in length, so that the two edges of the extrusion groove can be attached after being cooked thoroughly, and the peripheral surface of the round and straight surface is closed. The extrusion protrusions can be extruded on the peripheral face of the round straight face to form an extrusion groove formed in the axial direction, the extrusion groove can reduce the outer diameter of the round straight face, so that the cooking time of the round straight face is shortened, the tasty degree of the round straight face is improved, the two sides of the extrusion groove can be attached after cooking, the peripheral face of the round straight face is closed, the surface roughness of the round straight face is low, and the taste of the round straight face is improved. And the smoothness of the round and straight surfaces is kept.

The invention relates to the technical field of medical instruments, in particular to a piezoelectric driving miniature optical probe for cerebrovascular interventional imaging, which comprises a glass tube base body, a single piezoelectric ceramic piece and the like, and is characterized in that the glass tube base body is of a hollow cylindrical structure, and an inclined groove is formed in the axial center of the glass tube base body; the single piezoelectric ceramic piece is fixed on the outer side of the glass tube base body. Through a hollow rod type stator structure composed of a single piezoelectric ceramic piece and a glass tube base body with a 10-degree inclined groove, mode conversion from longitudinal vibration to longitudinal-torsional coupling vibration is achieved, an elliptical motion track is formed at the position of a miniature magnetic ring at the front end of the stator, 360-degree optical scanning is achieved through friction driving of a rotor, and the mechanical property of the motor is improved. Compared with a traditional far-end miniature probe with the diameter usually larger than 1.5 mm, the whole outer diameter of the probe is reduced to 0.4 mm, and smooth navigation and passing in tortuous and narrow brain middle artery (the diameter is usually smaller than 0.5 mm) are easier.

The invention relates to the technical field of cardiac electrophysiology catheters, and aims to provide a pulsed electric field ablation microcatheter which comprises a catheter part and an operation part, the catheter part comprises an anti-injury section, a tail end catheter body, a catheter body transition section and a near-end catheter body, and the top end of the tail end catheter body is welded to the front end of the anti-injury section; the top end of the catheter body transition section is welded to the front end of the tail-end catheter body, the top end of the near-end catheter body is welded to the front end of the catheter body transition section, an electrode is arranged on the tail-end catheter body, a guide wire is inserted into the catheter part, the catheter part comprises an inner layer and an outer layer, and a braid layer is arranged between the inner layer and the outer layer. The microcatheter can be guided by a guide wire to reach a target area along a cardiac blood vessel, and a pulsed electric field is emitted to surrounding target myocardium through a tail end electrode for ablation; the target area is subjected to combined ablation by combining with the endocardium catheter, and finally the requirement for target myocardial transmural injury is met.

The present application belongs to the field of medical device technology, and specifically relates to a negative pressure suction sheath. The negative pressure suction sheath includes a sheath tube and a blocking structure. The sheath tube is arranged at the distal end of the negative pressure suction sheath. The distal end of the sheath tube has a passive bending section that can bend following the active bending section of the endoscope. The side wall of the passive bending section is provided with a through-hole, and the through-hole extends along the extension direction of the passive bending section. The maximum depth of the through-hole is less than half of the outer diameter of the passive bending section. The blocking structure is connected to the sheath tube and seals the through-hole; the passive bending section includes an expandable portion arranged radially opposite to the through-hole. When the passive bending section is bent and the side of the expandable portion away from the through-hole is the stretching side, the expandable portion expands outward in a direction perpendicular to the plane where the bending direction of the passive bending section is located. The present application can solve the problem that the stone discharge is not smooth when the distal end of the sheath tube is driven to bend by the insertion part to aspirate the lateral stones.

A coreless and frameless winding motor comprises: a housing, a stator assembly, a rotor assembly and an end cover. The stator assembly is composed of a formed circular ring winding coil, and the stator assembly is sleeved in the housing, and is directly supported and fixed by the motor housing as a frame. The rotor assembly is sleeved in the ring of the stator assembly, and the rotor assembly comprises: a permanent magnet, an axis core and a positioning ring, the axis core is inserted into the permanent magnet, the positioning ring is sleeved at both ends of the axis core, the positioning ring at the upper end of the axis core cooperates with the positioning hole at the top of the stator assembly, and the positioning ring is used to fix the axial size; the end cover is arranged at the top of the stator assembly. The stator coil of the present application is fixed without an iron core, and each turn of the coil is arranged into a closed ring, and multiple groups of coils form a cylindrical winding, which can not only simply fix the winding coil, but also directly reduce the space occupied by the iron core, thereby reducing the outer diameter of the motor, reducing the cost of the motor, and realizing the miniaturization of the motor.

The utility model provides an air compressor which comprises a motor assembly which comprises a motor shell, a rotating shaft, a stator and a liquid cooling structure, the rotating shaft, the stator and the liquid cooling structure are arranged in the motor shell, and the stator is sleeved with the liquid cooling structure; and the air compression assembly is configured to be suitable for being driven by the motor assembly to compress air. The motor housing is internally provided with an air flow channel, and the air flow channel is provided with an air inlet pipeline and an air outlet pipeline which are communicated with the outside of the motor housing, and comprises a first air flow path which is arranged adjacent to the liquid cooling structure. The liquid cooling structure comprises a cylindrical sleeve body, a cooling liquid flow channel arranged on the peripheral surface of the sleeve body and an air channel arrangement area formed between the side walls of the cooling liquid flow channel along the peripheral surface of the sleeve body, and the first air flow path is suitable for being at least partially arranged in the air channel arrangement area. According to the embodiment of the utility model, the outer diameter size of the motor shell can be reduced, the motor shell is enabled to have a relatively regular and roughly cylindrical shape, and the complexity and the manufacturing cost of the air compressor are reduced.

The invention discloses a parameter design method for a heteropole type direct current hybrid magnetic bearing. Comprising a stator core, a rotor core and a rotating shaft, four control poles and four permanent magnet poles with different arc lengths are uniformly distributed in the stator core, permanent magnets are arranged in the permanent magnet poles, and control coils are wound on the control poles. The design method comprises the following steps: firstly, determining the arc length of a control pole according to the requirements of the given axial thickness of the iron core and the maximum radial controllable suspension force Fmax; secondly, the arc length of a permanent magnet pole is determined according to the inner diameter and perimeter relation of the stator core, the magnetic pole distance is fixed, and the smaller the outer diameter of the rotor core is, the smaller the area of the permanent magnet pole is; finally, an uncontrollable suspension force mathematical model Fp is established, and when the rotor offset is maximum, Fplt; and Fmax, determining the outer diameter of the rotor. According to the maximum controllable suspension force requirement, the given air gap length and the magnetic pole distance, the permanent magnet rotor can stably float in a static state, the maximum controllable suspension force is maximum, the arc length of the permanent magnet pole is minimum, and the outer diameter of the rotor core is minimum.

The present application belongs to the field of medical device technology, and specifically relates to a negative pressure suction sheath. The negative pressure suction sheath includes a sheath tube and a directional expansion structure. The sheath tube is arranged at the distal end of the negative pressure suction sheath. The distal end of the sheath tube has a passive bending section that can bend following the active bending section of the endoscope. The side wall of the passive bending section is provided with a through-hole, and the through-hole extends along the extension direction of the passive bending section. The directional expansion structure is connected to the sheath tube and seals the through-hole; when the passive bending section bends and squeezes the part of the directional expansion structure that seals the through-hole, the squeezed part of the directional expansion structure bulges toward the outside of the through-hole. The present application can solve the problem of unsmooth stone removal when the insertion part is used to drive the distal end of the sheath tube to bend to aspirate lateral stones.

The invention relates to a large-expansion-rate all-metal ultra-small-diameter bridge plug which mainly comprises an integral expansion cone, a hoop ring A, a sectioning expansion cone A, slip teeth, a metal spiral slip, a sectioning expansion cone B, a hoop ring B, a pin, a lower joint and a center rod, and is characterized in that the integral expansion cone, the sectioning expansion cone A and the sectioning expansion cone B are pushed by a setting tool to annularly move towards the inner part of the metal spiral slip; due to the limiting effect of the shroud ring, the integral expansion cone and the split expansion cone A cannot generate relative motion, along with continuous increase of thrust, the shroud ring A and the shroud ring B are fractured, the split expansion cone A and the split expansion cone B generate radial displacement, the metal spiral slip continuously expands until slip teeth penetrate into the inner wall of a casing pipe, and setting operation is completed. By adopting an all-metal structure and different expansion cone combinations, the problems of low expansion rate, large outer diameter and the like of a traditional bridge plug can be solved, and the bridge plug has the advantages of large expansion rate, ultra-small outer diameter, high temperature resistance and the like, can be normally used in a deep casing deformation well, and is beneficial to benefit development of unconventional oil gas.

The utility model discloses an energy storage system DC cable comprising a conductor, and the outer side of the conductor is sequentially wrapped by a composite isolation layer, an insulation layer, an anti-spraying layer, a ceramic protection layer, a metal fiber shielding layer and a sheath layer. The conductor is of a layered winding structure, and the winding pitch is 6-8 times of the twisting outer diameter of the conductor. The direct-current cable of the energy storage system has excellent bending performance and tensile performance, also has excellent electrical insulation performance, and can ensure stable insulation performance in both high-temperature and low-temperature environments; meanwhile, the cable is fireproof, waterproof, damp-heat-resistant and excellent in flame retardant property; moreover, the cable can resist electromagnetic interference, thereby guaranteeing the stability of signal transmission. In addition, the cable is small in outer diameter and light in weight, and can meet the requirements of light weight and flexibility of the cable.

A piston pump (20), in particular a fuel pump such as a high-pressure fuel pump of a common rail system, comprises a pump cylinder (21), a pump piston (22) movably mounted in a recess (23) of the pump cylinder (21), the pump piston being movable upward and downward in the recess (23), and a leakage groove (24) introduced into the pump cylinder (21) in the region of the recess (23), the leakage groove being connected to a leakage line (25) for discharging fuel leakage, wherein mating gaps of different sizes are formed in different parts (28, 29) between the pump cylinder (21) and the pump piston (22).

The utility model discloses a shock wave balloon catheter which comprises a balloon, a shock wave generating part is arranged in the balloon, the shock wave generating part at least comprises two electrode assemblies, one end of the balloon is connected with an outer tube, an inner tube is arranged in the outer tube, the other end of the outer tube is connected with a catheter seat, and the outer side of the catheter seat is connected with a high-voltage pulse power supply. The shock wave generating part at least comprises two electrode assemblies, and the electrode assemblies are arranged on the inner pipe in a sleeving mode and are arranged at intervals; at least two discharge channels are arranged outside the inner tube, and all the discharge channels of all the electrode assemblies are not located on the same axial side of the inner tube. According to the shock wave balloon catheter, the electrode assembly is provided with the inner-layer electrode structure, the middle-layer electrode structure and the outer-layer electrode structure, the inner electrode is annular, the position of the discharge channel can be freely arranged, the discharge channel is arranged above the inner electrode, and the wire is located in the inner electrode, so that the wire cannot be damaged by arc discharge when shock waves are generated; and the service life of the inner shock wave conduit is greatly prolonged.

The invention provides a magnetic suspension bearing motor structure and method, the magnetic suspension bearing motor structure comprises a motor stator (2) arranged in a shell (1) and a rotor (3) which is arranged in a center shaft area of the motor stator and is provided with a thrust shaft shoulder (32), and a bearing structure of the rotor comprises a radial magnetic suspension bearing (5) and an axial magnetic suspension bearing (6) which are arranged from inside to outside; the rotor is of an integrated rotating shaft structure formed by assembling and combining a rotating shaft and a permanent magnet, and the thrust shaft shoulders are arranged at the two ends of the integrated rotating shaft structure. In a magnetic circuit of the axial magnetic suspension bearing, the axial magnetic suspension bearing forms an axial magnetic field capable of being coupled with a thrust shaft shoulder of the rotor through a magnetic conducting ring (62) of the axial magnetic suspension bearing, and axial magnetic force is applied to the thrust shaft shoulder, so that the rotor is kept stable in the axial direction during operation; according to the invention, the design of the magnetic suspension bearing motor without the thrust disc can be realized.

This invention provides a quick-connect balloon dilation catheter and a method for preparing the balloon dilation catheter. The quick-connect balloon dilation catheter includes a catheter seat, an outer tube connected to the catheter seat, and a balloon connected to the distal end of the outer tube. The outer tube has a metal tube body extending from the proximal end to the distal end, the metal tube body having a non-cutting segment at the proximal end and a cutting segment connected to the distal end of the non-cutting segment. The outer tube also has a polymer inner liner covering the inside of the cutting segment and a polymer sheath covering the outside of the cutting segment, such that the outer tube is integrally formed as a composite tube segment with a metal tube segment at the proximal end and a composite tube segment connected to the distal end of the metal tube segment, the composite tube segment having a quick-connect port penetrating both the inside and outside. This design improves the catheter's delivery and positioning accuracy.

The utility model discloses a motor cooling external fan structure, which comprises a shaft sleeve, a fan blade ring plate and fan blades, the fan blade ring plate is coaxially and fixedly sleeved on the shaft sleeve, and the fan blades are relatively and fixedly arranged on the outer side of the shaft sleeve through the fan blade ring plate, so that the fan blades respectively extend radially and axially from the outer side surface and the shaft side surface which are contacted with the shaft sleeve. The fan blades are in direct contact and fit with the shaft sleeve through the fan blade ring plates, the distance between the fan blades and the shaft sleeve is shortened, and wind friction loss, noise and energy consumption are reduced.

The application provides a pressure reducing valve assembly, wherein a valve body comprises a limiting surface and a connecting part arranged in sequence along an axial direction, the connecting part is provided with a locking part movable along the axial direction; a variable diameter ring is located between the limiting surface and the connecting part, the variable diameter ring comprises a limiting part and a mounting part connected with each other, the limiting part is mounted on the connecting part, the mounting part comprises at least three variable diameter strips arranged in sequence along a circumferential direction of the connecting part, an outer diameter of any variable diameter strip gradually increases in a direction away from the locking part, a clamping strip for connecting with an external mounting part is connected, the clamping strip extends in a direction close to the limiting surface, and the mounting part has elasticity. When a mounting hole on a panel is smaller than a size of the mounting part of the pressure reducing valve, the pressure reducing valve assembly provided by the application extrudes the at least three variable diameter strips with elasticity to the inside to reduce the outer diameter of the mounting part, so that the mounting part of the pressure reducing valve is clamped in the mounting hole, and the effect that the pressure reducing valve is adapted to mounting holes with various sizes is achieved.

The stirring cup comprises a cup base, the cup body, the handle and a fixing structure, the cup body is fixed to the cup base, the bottom of the handle extends downwards to form a connecting part, the connecting part covers the outer side wall of the cup base, and the cup body is fixed to the outer side wall of the cup base. The connecting part is fixed to the outer side wall of the cup base through a fixing structure. By the adoption of the design mode, on one hand, due to the fact that the handle is fixed to the outer side wall of the cup base through the connecting part, the position between the handle and the cup body can be adjusted through the connecting tightness of the fixing structure, and when the handle deforms and a gap is formed between the handle and the cup body, the handle can be tightly pressed on the cup body; therefore, a gap between the handle and the cup body is reduced or even eliminated; on the other hand, the handle is fixed on the outer side wall of the cup base through the connecting part, and the outer diameter of the cup base does not need to be increased to form a mounting platform for mounting the handle, so that the outer diameter of the cup base can be reduced, and the volume of the stirrer is reduced.

The present invention provides a butterfly cable for lightning protection and strong electricity, and relates to the technical field of butterfly cables. The antistatic agent containing thiadiazolyl phenyl borate molybdenum adopts dithiothiadiazole to carry out thiol-ene addition reaction with allyl glycidyl ether and 3-(2-carboxyvinyl) phenyl borate molybdenum complex respectively; the excess thiol is then subjected to thiol-amino addition reaction with dioctadecylamine to obtain the antistatic agent containing thiadiazolyl phenyl borate molybdenum, which contains thiadiazole, boric acid molybdenum, and glycidyl ether functional groups, and thiadiazole is a five-membered ring containing nitrogen and sulfur atoms, and has excellent electrical conductivity; the formation of boric acid molybdenum complex helps to prevent static electricity accumulation, and finally forms an antistatic agent with special lightning protection and static electricity effect; this antistatic agent has potential application value in the fields of electronic equipment, aerospace, and petrochemical industry.

This utility model discloses a highly flexible, tensile-resistant shielded power cable, comprising a conductor layer, a fastening layer, an insulation layer, a shielding layer, and a sheath layer arranged coaxially from the inside out. The fastening layer is a heat-shrinkable braided tubing, which, after heat shrinking, forms a tight, compressed fit with the outer surface of the conductor layer, significantly improving the cable's tensile strength. The shielding layer is a heat-shrinkable tube with a metal wire braided mesh layer. Before heat shrinking, its original inner diameter D1 and the outer diameter D2 of the insulation layer satisfy 1.1 ≤ D1 / D2 ≤ 1.2; after heat shrinking, its final inner diameter D1' and D2 satisfy 1.02 ≤ D1' / D2 ≤ 1.08, ensuring a tight electromagnetic shielding contact between the shielding layer and the outer surface of the insulation layer. This utility model, through its unique interlayer heat-shrinkable fastening and shielding structure, achieves a balance between excellent flexibility, small diameter, high tensile strength, and stable shielding, making it particularly suitable for scenarios requiring frequent bending and small-area wiring, such as stage equipment and automotive wiring harnesses.

This utility model discloses a cable for robot conduits, comprising: insulated core wires, two insulated core wires twisted together to form a twisted pair, a first PTFE tape wrapped around the twisted pair, a first wound shielding layer wound around the first PTFE tape, a first non-woven fabric wrapped around the first wound shielding layer, four sets of twisted pairs wrapped with the first non-woven fabric twisted circumferentially around a central filler rope to form a cable, three composite filler ropes and one ground wire filling the four gaps between the four sets of twisted pairs in the cable, the composite filler ropes and the ground wire having the same diameter, a second PTFE tape wrapped around the four sets of twisted pairs in the cable, a second wound shielding layer wound around the second PTFE tape, a second non-woven fabric wrapped around the second wound shielding layer, and a sheath extruded onto the second non-woven fabric. This utility model has excellent bending resistance, torsion resistance, and tensile strength, and can maintain good shielding performance even under frequent bending and torsion.