131results about How to "Not easy to shift" patented technology

The utility model discloses a stent which is applied to an airway or an esophagus and comprises a framework and a lining film, and the framework is a tubular object which is hollow inside and provided with a mesh structure on the surface; the lining film is attached to the inner surface of the framework, a plurality of protrusions are formed on the outer wall of the lining film, the protrusions penetrate through meshes of the framework to be exposed on the outer side of the framework and are attached to the inner wall of the airway or the esophagus, and a gap is formed between the outer surface of the framework and the inner wall of the airway or the esophagus. The stent provided by the utility model not only solves the defects caused by a mesh structure of a metal bare stent, but also solves the problems that the stent is easy to displace due to low adhesive force between a membrane structure and an airway / esophagus wall, and retention is easy to cause due to the fact that the membrane obstructs the flow of secretions.

This application belongs to the field of electronic device technology, specifically relating to a stylus and electronic components. This application aims to solve the problem of low positioning accuracy in related styluses. The stylus and electronic components of this application coordinate the positioning of the stylus through a dual electric field link. The motherboard, a first conductive component, a conductive elastic component, a conductive support, and the pen tip constitute the first electric field link, with the pen tip acting as a transmitter to emit a first electric field signal. The motherboard, a second conductive component, and the electric field transmitter constitute the second electric field link, with the electric field transmitter emitting a second electric field signal. The second electric field signal is radiated onto the touchscreen. The touch chip can calculate the distance between the second and first electric field signals in real time. Based on the calculated distance, it calculates the tilt angle or degree of tilt of the stylus relative to the touchscreen, and then corrects the landing position of the pen tip, further improving the accuracy of the pen tip's position displayed on the touchscreen and making the stylus trajectory less prone to deviation during writing.

The application relates to the field of gear machining, in particular to a high-precision gear machining device and process, which comprises a workbench, a clamping fixture, a calibration assembly, a machining assembly and a transmission assembly, the clamping fixture is connected to the end face of the workbench, the transmission assembly is connected to the end face of the workbench, the machining assembly and the calibration assembly are both connected to the driving end of the transmission assembly, the calibration assembly comprises a calibration bench and a calibration table, the calibration bench is connected to the driving end of the transmission assembly, the calibration table is connected to the end face of the calibration bench, and a controller is connected between the calibration table and the transmission assembly; when the flatness of the gear end face measured by the calibration table is less than a preset value, the controller drives the transmission assembly to drive the machining assembly to approach the clamping fixture. In the application, the calibration table and the controller are arranged, separation of defective products and qualified products is realized, a worker does not need to hold a detection device to detect the flatness of the gear end face, the machining steps of gear machining are reduced, the work burden of the worker is reduced, and the machining cost of the gear is reduced.

The utility model relates to the field of plug -in fixture, concretely relates to a manual plug -in device, including carrier, connecting rod structure, guide rail and guide frame, the carrier is used for placing test interface, be equipped with the connecting plate on the carrier, the connecting rod structure includes fixed plate, first rotating plate and second rotating plate, first rotating plate and fixed plate rotatory connection, first rotating plate and second rotating plate rotatory connection, second rotating plate and connecting plate rotatory connection, be equipped with handle on first rotating plate, the carrier is slidably arranged on the guide rail, be equipped with and the guide slot of guide rail corresponding on the guide frame, first rotating plate passes through the guide slot and swings in the guide slot. Through the guide slot on the guide frame and the guide rail respectively to the connecting rod structure and the carrier are oriented and are positioned, so that the connecting structure in connecting rod structure loosens, and the test interface is not easy to deviate when plugging, and then improve the plugging precision.

The utility model discloses a utility tunnel inner pre -buried plate installation positioner, including the two vertical support of affixing in the concrete form outside, the sliding connection of vertical support between multiple horizontal supports, set up at least two locating pin holes on horizontal support, and multiple support bolt passes through locating pin hole and concrete form on horizontal support in proper order, and the pre -buried plate upper end portion limit of concrete form inside, and support bolt one end is welded with pre -buried plate, and the other end is connected with horizontal support. The device stands in the concrete form outside, and the pre -buried plate is placed in the concrete form inside, and after the pre -buried plate upper end portion limit of support bolt, realizes the firm fixing of pre -buried plate and first form and the device through welding etc. The device can realize the quick, accurate positioning of multiple pre -buried plates, is not easy to be disturbed displacement in the concrete pouring process, greatly improves the efficiency of utility tunnel electromechanical installation pre -buried plate installation work, and can be repeatedly used.

The invention discloses a motor air tightness testing device, and solves the problem that a test result can be obtained only through multiple times of detection or time increase due to the fact that existing detection equipment is too long in detection time. The motor air tightness testing device comprises an air tightness tester, a motor positioning assembly used for positioning a testing motor, an inflation pipeline assembly connected with the air tightness tester, and a motor outgoing line ventilation assembly communicated with a motor outgoing line of the testing motor. The air inflation pipeline assembly comprises a first air inflation pipeline connected with an air inlet of the test motor and a second air inflation pipeline connected with the motor outgoing line ventilation assembly, and the first air inflation pipeline and the second air inflation pipeline inflate the test motor in the air tightness test process of the test motor.

The utility model discloses a compression-resistant insulating flame-retardant cable, which relates to the technical field of wires and cables and comprises a first cable core and three second cable cores, the first cable core and the three second cable cores are all arranged in the same inner filling layer, and three first shearing openings distributed in a central symmetry manner are arranged on the inner filling layer. The three first shearing openings are respectively located between two adjacent second cable cores, the inner filling layer is arranged in the outer sheath, the outer sheath is provided with three second shearing openings which are distributed in a central symmetry manner, and the three second shearing openings are respectively arranged opposite to the three first shearing openings; according to the utility model, the inner filling layer and the outer sheath are respectively provided with the first shearing opening and the second shearing opening, so that great convenience is provided for the maintenance of the cable, and when maintenance is needed, a technician can easily shear or rip a corresponding part without damaging the whole cable, thereby greatly shortening the maintenance time and improving the maintenance efficiency. And the maintenance cost is reduced.

The utility model relates to the field of clothing deburring device discloses mothproof and ventilative sweater processing's deburring device, including two fixed plates, two fixed plates are fixed on handheld rod respectively, the below of handheld rod is equipped with connecting block, the bottom surface of connecting block is fixed in two fixed plates, the bottom surface of connecting block detachably installs the brush, the bottom surface of connecting block is equipped with two clamping holes, the top of brush is fixed with two elastic clamping blocks, the clamping hole, elastic clamping block interlock. In the utility model, through the cooperation of fixed plate, handheld rod, connecting block, brush, clamping hole and elastic clamping block, not only provides stable, convenient operation tool for staff, is favorable to the deburring operation of woolen sweater, but also can realize the quick dismounting of brush, improves work efficiency and reduces maintenance cost.

The invention relates to the technical field of medical biological materials, and discloses a mussel mucin-chondroitin sulfate composite hydrogel and a preparation method and application thereof, and the preparation method comprises the following steps: respectively preparing a mussel mucin aqueous solution and a chondroitin sulfate aqueous solution; the mass volume concentration of the mussel mucoprotein aqueous solution is 1%-10%, the mass volume concentration of the chondroitin sulfate aqueous solution is 1%-10%, the mass ratio of the mussel mucoprotein to the chondroitin sulfate is 3: 1-1: 3, the two solutions are mixed and stirred or oscillated under the conditions that the temperature is 4-37 DEG C and the pH value is 7.0-9.0, a cross-linking reaction is conducted, and hydrogel is formed; the cross-linking mode is physical cross-linking, chemical cross-linking or physical-chemical dual cross-linking; according to the invention, excellent tissue adhesion, injectability, self-healing property and biodegradability are realized, cell adhesion and proliferation can be effectively promoted, and the gel is suitable for various medical beauty scenes such as skin filling, wound repairing and anti-aging nursing.

The utility model relates to a handlebar assembly and a bicycle. The handlebar assembly comprises a connecting part and a connecting part, the connecting part comprises a vertical pipe and a front fork, and the vertical pipe is arranged between the handlebar and the front fork; the reinforcing piece is connected with the handlebar and the vertical pipe and / or connected with the handlebar and the front fork; wherein the reinforcing part is tightly arranged between the handlebar and the connecting part, so that a triangular structure is formed by the reinforcing part, the handlebar and the connecting part. According to the handlebar assembly and the bicycle, the reinforcing piece is arranged between the handlebar and the connecting part in a tightened mode, the reinforcing piece, the handlebar and the connecting part form a triangular structure, and the triangular structure has the advantages of being stable, firm and resistant to pressure. Compared with a T-shaped structure formed by the handlebar and the vertical pipe in the prior art, the rigidity between the handlebar and the connecting component can be improved through the triangular structure, even if a rider violently shakes the handlebar in the riding process, displacement of the handlebar and the connecting component is not prone to being caused, and the high-speed riding requirement is met.

The invention discloses an indoor and outdoor autonomous switching unmanned intelligent agent with a redundant propulsion system and a method, and belongs to the technical field of unmanned aerial vehicles. The indoor and outdoor autonomous switching unmanned intelligent body with the redundant propulsion system comprises an unmanned intelligent body main body, two propulsion rotors are arranged in each auxiliary propeller shell, and a main rotor is arranged in a flight opening; and a high-precision hydraulic turntable is mounted at one end of the auxiliary propeller shell. The problems that an existing multi-rotor unmanned aerial vehicle is difficult to position in an indoor GPS denial environment and poor in maneuverability in a narrow space are solved, the propelling rotors can provide lift force for maintaining the height by calculating the thrust distribution scheme of the propelling rotors, yawing, pitching and rolling moments are synthesized through differential thrust, the flight control right is taken over, and the maneuverability of the multi-rotor unmanned aerial vehicle is improved. An intelligent unmanned platform which can safely, autonomously and continuously operate at an environment boundary and a system state boundary is created, and the intelligent unmanned platform can autonomously fly in indoor and outdoor complex environments and has a fault-tolerant capability.

The utility model relates to a kind of incense preparation technical field, disclose a kind of incense equipment of sabina crenata chaff, including operation platform, the upper surface of the operation platform is fixedly connected with support frame, the outer wall of the support frame is fixedly connected with U-shaped block, the outer wall of the U-shaped block is rotatably connected with trapezoidal block, the outer wall of the trapezoidal block is fixedly connected with handle, the outer wall of the trapezoidal block is rotatably connected with arc block, the inside of the arc block is rotatably connected with sliding column, the outer wall of the sliding column is slidably connected with fixed cylinder, the inside of the moving plate is provided with limiting component, the limiting component is used to assist moving plate limit.The utility model in the middle, handle drives trapezoidal block and then drives arc block to drive sliding column, moving plate is driven by sliding column, extrusion column is driven by moving plate, sabina crenata chaff is subjected to enough pressure in mould, reach sabina crenata chaff is subjected to uniform and stable pressure in pressing forming process, avoid the effect that fragrance body appears loose, fracture or deformation.

The utility model provides a flow guide device and an air conditioner with the flow guide device, the flow guide device is arranged at an air supply outlet of a fan, and the flow guide device comprises a flow guide plate and a surrounding plate; the coaming is installed on the fan, on the air supply path of the air supply outlet, the first end of the flow guide plate is connected with the fan, the second end of the flow guide plate inclines towards the central axis of the air supply outlet, the second end of the flow guide plate and the coaming define a flow guide air duct, and the flow guide air duct communicates with the air supply outlet. According to the utility model, the guide plate is arranged at the air supply outlet, so that air can uniformly cover each area of the evaporator when passing through the guide air duct, the problem of insufficient air quantity at the bottom of the original evaporator is effectively solved, and the air field distribution on the windward side of the evaporator is more uniform.

The utility model relates to a withstand voltage test fixture of a fuse seat, which is characterized in that the withstand voltage test fixture comprises an insulating base and an insulating upper cover, the insulating base is provided with a plurality of accommodating grooves for placing the fuse seat, and the accommodating grooves are internally provided with an upper metal sheet and a lower metal sheet which are respectively contacted with an upper contact surface and a lower contact surface of the fuse seat. A metal pressing block used for conducting the upper metal sheets is arranged in the insulating upper cover, the lower metal sheets are connected through conductive pieces, and a positioning mechanism is arranged between the insulating base and the insulating upper cover. By adopting the technical scheme, the efficiency is high, the stability is high, and the test is more accurate; the live wire is connected with the lower metal sheet, the zero wire is connected with the metal pressing block, after the fuse seat is placed in, the insulating upper cover is covered, accurate connection between the insulating base and the insulating upper cover is ensured through the positioning mechanism, stable conduction between the metal pressing block and the upper metal sheet is ensured, operation is simple, and use is convenient. And the insulating base and the insulating upper cover are made of insulating materials, so that the insulating property is strong, and the safety is high.

The invention discloses a preparation method of a carrier plate structure, the carrier plate structure and a semiconductor packaging structure. The preparation method of the support plate structure comprises the following steps: providing a support plate, wherein the support plate is provided with a first surface and a second surface opposite to each other in a first direction; modifying the support plate at a part of positions by using a laser induction process from one side of the support plate in the first direction, so that the support plate is provided with a modified area and a non-modified area, and the sizes of the modified area and the non-modified area in the first direction are equal to the size of the support plate in the first direction; performing etching treatment on the first surface in the modification area to form a first hole section which does not penetrate through the carrier plate; preparing a first conductive structure in the first hole section; performing etching treatment on the second surface in the modification area to form a second hole section communicated with the first hole section; and at least preparing a second conductive structure electrically connected with the first conductive structure into the second hole section.

The embodiment of the utility model provides a light guide column structure and electrical equipment, the light guide column structure comprises a light guide column array, the light guide column array comprises at least two rows of light guide columns which are connected in sequence, and each row of light guide columns is provided with at least one light guide column. The light guide column comprises a light guide column body, a light inlet end and a light outlet end, the light inlet end and the light outlet end are arranged at the two ends of the light guide column body respectively, the light outlet end is connected with electrical equipment, and the light guide column array further comprises a limiting piece in limiting connection with the electrical equipment and used for limiting the light guide column structure when the light guide column structure is installed on the electrical equipment. According to the embodiment, the light guide column array is formed by the at least two rows of light guide columns which are connected in sequence, so that light can be transmitted in a concentrated manner and guided efficiently, and the limiting pieces can ensure the mounting accuracy and stability of the light guide column structure mounted on the electrical equipment, so that the light guide column structure is not easy to shift.

The gearbox support limiting protection device of the waste pipe treatment tearing machine comprises a stand column, an installation shell, an abutting block and a movable extrusion piece, the installation shell is arranged on one side of the top of the stand column, the section of the installation shell is in a groove shape with an opening in the bottom, and the abutting block is arranged in the installation shell in a sliding mode. A movable opening communicated with the interior of the mounting shell is formed in the top of the side, away from the stand column, of the mounting shell, and supporting blocks are symmetrically arranged on the mounting shell on the two sides of the movable opening; the movable extrusion part comprises an extrusion plate, a connecting plate and a pressing block, the extrusion plate and the connecting plate are perpendicular to each other, the section of the extrusion plate and the section of the connecting plate are in a right-angle shape, rotating shafts rotationally connected with the supporting block are arranged on the two sides of the joint of the extrusion plate and the connecting plate correspondingly, and the extrusion plate penetrates through the movable opening to extend into the mounting shell and abuts against the top of the abutting block; the pressing blocks are arranged on the sides, close to the stand columns, of the connecting plates. According to the gearbox support limiting protection device of the waste pipe treatment tearing machine, the position of the support plate is limited and protected, the shaft is not prone to breakage, and safety is high.

This application relates to the field of formaldehyde monitoring and discloses a formaldehyde monitoring and alarm device, including a monitoring device. A connector is located at the top edge of the monitoring device, and an air inlet pipe is installed on the upper surface of the connector. A universal ball joint is fixedly installed on the top side of the monitoring device, and a support rod is movably connected to the outer surface of the universal ball joint. A fixing groove is formed on the upper surface of the support rod, and a movable support rod is movably installed inside the fixing groove. A positioning mechanism is provided at the top of the movable support rod extending to the outside of the support rod for positioning and supporting the air inlet pipe. By setting up the universal ball joint, support rod, and movable support rod, this application can flexibly adjust the height and angle of the air inlet pipe to adapt to the monitoring needs of indoor air environments at different heights, comprehensively covering pollution areas at all levels, and improving monitoring effectiveness and accuracy. For example, it can detect formaldehyde accumulation areas at different heights, such as the middle layer of furniture or near the floor.

The utility model discloses an anti-precipitation device for producing a polyurethane adhesive. The anti-precipitation device comprises a storage tank, a tank cover and an anti-precipitation device, the anti-precipitation device is arranged in the storage tank, the motor drives the spiral blade to operate, and the glue solution is conveyed to the discharge port from the bottom port of the circulating pipe through conveying power generated by operation of the spiral blade, so that bottom settled filler can be brought back to the upper layer, and obvious upper and lower layering is avoided; the problem of precipitation of glue liquid is effectively solved, during later maintenance, only the tank cover needs to be detached to take out the circulating pipe together, the circulating pipe is separated from the spiral blade, logistics maintenance work is greatly facilitated, the support is arranged on the surface of the connecting sleeve, the support abuts against the side wall face in the storage tank through the guide wheel in an attached mode, multi-direction supporting and reinforcing are provided for the circulating pipe, and the service life of the circulating pipe is prolonged. The circulating pipe is firmly installed and is not easy to deviate, and the situation that the circulating pipe is not installed in place and scratches the spiral blade is avoided.

The utility model relates to the field of foot warming patches, in particular to a wearable foot warming patch which comprises a heating bag and a wearable part, the heating bag can emit heat after making contact with air, and the wearable part is elastic; a sole wearing cavity is formed between the wearing piece and the heating bag and is used for accommodating the sole of a user; the wearable part is provided with an ankle wearing hole in a penetrating mode, the ankle wearing hole is used for allowing the foot sole of a user to penetrate into the foot sole wearing cavity, and when the foot sole of the user is contained in the foot sole wearing cavity, the ankle of the user penetrates into the ankle wearing hole. The heating element for warming the feet has the effect that a user can conveniently cover the feet with the heating element for warming the feet.

The utility model discloses a kind of packaging paper bag outer surface gold stamping machine, it is related to gold stamping machine technical field, including processing table, guard plate structure and winding roller, the guard plate structure is located above the side of processing table, winding roller is rotatably installed in the side rear of processing table, the bottom both sides of guard plate structure are equipped with sliding block, and sliding block is located in the sliding slot opened in the surface of processing table, and the side of guard plate structure is equipped with sliding cover slidingly installed, the utility model discloses, when packaging paper is in gold stamping processing, the paper clamp roll piece side of winding roller surface is pressed downward and opened, the end of gold stamping paper can be wound and fixed, it is convenient for gold stamping paper later period to directly reel drum assembly, and gold stamping paper is not easy to deviate after being fixed by paper clamp roll piece, so that gold stamping paper position keeps consistent when pressing, guarantee the accuracy of pattern hot stamping, and winding roller cooperation pay-off roller tension adjustment, so that paper tension is even when winding, reduce material loss.

The utility model discloses a self-drilling screw which comprises a screw head and a screw rod, a drill tail part is formed at the tail end, far away from the screw head, of the screw rod, the drill tail part comprises a drill tip and a chip groove located beside the drill tip, the screw head is in a funnel shape, and a plurality of chip guide channels distributed around the screw head in a vortex shape are formed at the bottom end of the screw head. The chip guiding channel extends upwards from the joint of the screw head and the screw rod, so that after the bottom of the screw head makes contact with waste chips accumulated on the surface of a component, the waste chips can be centrifugally thrown out along the chip guiding channel along with screwing rotation of the screw head, and the waste chips are discharged through the multiple chip outlets which are formed in the periphery of the upper end face of the screw head and communicate with the multiple chip guiding channels one to one. And the scraps are prevented from being blocked by the screw head and remaining between the lower part of the screw head and the surface of a component, so that the scraps are prevented from influencing the fastening between the self-drilling screw and the component, the subsequent cleaning is convenient, and the reliability of the self-drilling screw is improved.

The utility model relates to the technical field of dispensing machines, in particular to a servo glue pushing dispensing machine which mainly comprises a rack, a placing assembly fixedly mounted on the inner wall of the rack, a supporting assembly fixedly mounted on the inner wall of the rack, a Y-Z axis adjusting assembly movably mounted on the supporting assembly, a communicating pipe arranged on one side of the supporting assembly, and a fixing mechanism, the fixing mechanism is arranged on one side of the communicating pipe and comprises a fixing block located on one side of the communicating pipe and a locking mechanism, and the locking mechanism is arranged above the fixing block. A first elastic piece applies thrust to a moving plate to move upwards, the moving plate drives a hinge rod to move, the hinge rod drives a hinge block to move, the hinge block drives a first T-shaped block to move in a first T-shaped groove, the first T-shaped block drives an arc-shaped plate to move, and the arc-shaped plate clamps and fixes the outer wall of the lower end of a communicating pipe. The communicating pipe is not easy to shake and shift along with the movement of the device, and dripped glue is not easy to shift, so that the dispensing precision and quality are improved.

The utility model provides a sprayed concrete sample preparation tool, which relates to the field of sample preparation tools, and comprises a rack, a driving device mounted on the side wall of the rack, four cutting wheels detachably connected to the driving device, a moving device mounted at the top of the rack, and a rotating device mounted at the moving end of the moving device, a rotating plate is installed at the rotating end of the rotating device, a fixing frame is fixedly connected to the rotating plate through a support, two cutting grooves are transversely formed in the top of the fixing frame, four cutting grooves are longitudinally formed in the top of the fixing frame, and two cutting holes are formed in each of the two transverse side walls of the fixing frame; two cutting holes are formed in the side wall of the fixing frame, guide holes are formed in three plate bodies, separated by the two cutting holes, of the side wall of the fixing frame, pressing frames are movably inserted into the guide holes in a penetrating mode, and a pressing device is installed below the fixing frame. And the operation is relatively convenient.

This utility model discloses a magnetic bead inductor for preventing terminal misalignment, comprising an inductor body, magnetic material, coil, and terminal body. The coil is located at the center of the inductor body, and the interior of the inductor body is uniformly filled with magnetic material. Terminal bodies are located at the bottom of both sides of the inductor body. Pre-reserved slots are provided on both sides of the terminal body via brackets, and pull rods pass through the interior of each pre-reserved slot. A limit block is provided at the end of each pull rod near the terminal body, and a limit groove is formed on the side of each terminal body near the limit block. This utility model, by installing the inductor body, magnetic material, coil, terminal body, bracket, pull rod, pre-reserved slot, return spring, movable plate, limit groove, and limit block, and by adding a mechanical limiting structure, makes the inductor body less prone to misalignment due to thermal stress or mechanical vibration during the welding process.

The utility model relates to the technical field of river side slopes, in particular to a flood control device for a river side slope. Comprising a vertical part and an inclined part at the upper end of the vertical part, the upper end of the inclined part inclines towards the outer side of a river channel, the vertical part and the inclined part are integrally formed to form a slope protection part, the slope protection part is hollow, the upper end of the inclined part is open, and a plurality of through holes are formed in the side, facing the river channel, of the inclined part in a rectangular array. A supporting plate is fixed to the portion, below each row of through holes, of the inclined part, and a groove and a protruding edge are arranged at the two ends of the protection slope correspondingly and correspond to each other. And the vertical part and the inclined part are integrally formed, so that the problem of weak joints of a traditional segmented structure is solved, and the overall anti-scouring capacity is enhanced. The grooves and the convex edges of the adjacent protection slopes are quickly embedded to form a continuous and compact protection surface, so that the risks of water flow permeation and local damage are reduced, and the protection structure is particularly suitable for river channels with high silt content.

The utility model discloses a light-emitting diode, which comprises a transparent glass bottom plate, a transparent resin table fixedly arranged at the center of the upper end of the transparent glass bottom plate, a light-emitting chip arranged at the upper end of the transparent resin table, and four downward metal elastic sheets welded at the lower end of the light-emitting chip, the peripheral side walls of the transparent resin table are provided with slots for the four metal elastic pieces to be inserted in a matched mode respectively, the bottoms of the slots are provided with limiting holes extending inwards, and the lower ends of the metal elastic pieces are provided with limiting hooks embedded into the corresponding limiting holes in a protruding mode. Two pins extending downwards are fixedly arranged on the transparent glass bottom plate and connected with the positive electrode and the negative electrode of the light-emitting chip through metal wires respectively. The transparent glass outer cover covers the upper end of the transparent glass bottom plate and is fixedly connected with the transparent glass bottom plate, so that the light-emitting chip is located in the center and is not prone to deviation, and the light-emitting chip is limited to the upper end of the transparent resin table through cooperation of the limiting hole and the limiting hook.