164results about How to "Flexible connection" patented technology

The invention relates to a folding house with an aluminum alloy frame structure, and belongs to the technical field of buildings. The invention relates to a multi-functional greenhouse which comprises a supporting mechanism, a bottom mechanism, a roof mechanism, a side face mechanism, a gable mechanism and a connecting mechanism, the supporting mechanism comprises a bottom supporting piece, a stand column piece and a top supporting piece, the lower end of the stand column piece is connected with the bottom supporting piece, and the upper end of the stand column piece is connected with the top supporting piece; the upper end of the side face mechanism is slidably connected with the roof mechanism, the lower end of the side face mechanism is slidably connected with the bottom mechanism, the two gable wall mechanisms are connected and hinged to the two ends of the stand column piece respectively, and the bottom mechanism and the bottom supporting piece, the roof mechanism and the top supporting piece and the gable wall mechanisms and the stand column piece are hinged through connecting mechanisms. The container house has the effect that the problems that a container house is heavy and not easy to disassemble and assemble are solved.

The embodiment of the invention provides a prefabricated heat preservation pipeline, and relates to the field of heat preservation pipes. The prefabricated heat preservation pipeline comprises a working steel pipe, the outer side of the working steel pipe is sleeved with an outer sleeve steel pipe, supporting bases are arranged at the two ends of the working steel pipe, and the working steel pipe supporting bases and the outer sleeve steel pipe form a closed bin. The ultra-fine glass wool felt with the thickness of 250 mm is used, the heat preservation interlayer is subjected to gas replacement, air is replaced with carbon dioxide, the heat preservation effect is remarkably improved, glass wool is adopted as a heat preservation material, cost is saved, the supporting seats made of hard polyurethane foam are arranged at the two ends of the pipeline, and the heat preservation effect is improved. And a sealing bin is formed among the outer sleeve steel pipe, the supporting seat and the working steel pipe, so that the stability and the sealing performance of the structure are enhanced.

The invention discloses a relay, which comprises a shell, a magnetic circuit part, a contact part and a pushing part, and is characterized in that the magnetic circuit part is mounted on the shell and comprises at least two magnetic circuit units; the contact part is arranged on the shell and comprises a movable spring group, a static contact group and a load terminal; the movable spring groups and the static contact groups are arranged corresponding to the magnetic circuit unit, and each movable spring group is provided with a movable contact group corresponding to the static contact group; each movable spring group and the corresponding static contact group jointly form a switch; the movable spring group and the static contact group in each switch are respectively connected with different load terminals, and at least one load terminal is shared by at least two switches and forms a common terminal; and the pushing part comprises a pushing piece accommodated in the shell, the pushing piece and the magnetic circuit unit are correspondingly arranged, and the pushing piece is driven by the corresponding magnetic circuit part to drive the corresponding movable spring group, so that the movable contact group and the corresponding static contact group are closed or opened. By adopting the technical scheme, the occupied space is smaller than that in the prior art for realizing the functions of more than two switches.

The invention belongs to the technical field of transport vehicles, and particularly relates to a gooseneck hydraulic steering device and a transport vehicle, the gooseneck hydraulic steering device comprises a gooseneck frame, a swing mechanism, a hydraulic cylinder A and a hydraulic cylinder B. The swing mechanism is eccentrically provided with a pin shaft and is hinged with a connecting rod through the pin shaft, and the rear end of the connecting rod is hinged with a swing arm; the middle of the swing arm is hinged to a fixing base in the middle of the gooseneck frame, and the two ends of the swing arm are hinged to the hydraulic cylinder A and the hydraulic cylinder B respectively. The problem that the overall height of the gooseneck is difficult to control due to the structural layout of a hydraulic oil cylinder is solved, a transport vehicle can better adapt to the height limiting requirement of road transportation, the trafficability of the transport vehicle under the complex road condition is improved, the size of loadable goods is further increased, and the transportation cost is reduced. The transportation efficiency and flexibility of the transportation vehicle are guaranteed, meanwhile, the steering sensitivity is improved, the steering accuracy is guaranteed, and the transportation vehicle is more stable and safer in the running process.

The invention provides an Android device screen projection method and system based on USB and network connection, and relates to the technical field of video streaming media transmission, and the method comprises the steps: building a communication connection between a PC and an Android device through an ADB tool, and transmitting an SCRCPY tool to a designated directory of the Android device through a push command of the ADB; using an ADB shell command to start SCRCPY on the Android device to capture and encode screen content; port forwarding is carried out by using an ADB forward command, and a local Socket of the Android device is mapped to a TCP port of a PC; a program written by using a Go language is connected with an Android device through a TCP port, and an H.264 / AVC video stream acquired by the SCRCPY is received; the Go program segments the received video stream into NAL units; the Go program starts a WebSocket server at a PC (Personal Computer) end; the NAL unit data is pushed through the WebSocket; and decoding the received NAL unit by using a jmuyer library, and playing a video in a browser, thereby realizing non-intrusive and cross-platform real-time screen mirroring.

The utility model belongs to the technical field of power supply and distribution equipment, and discloses a combined electric meter box body, which comprises a wire inlet box body module, a bus box body module, an electric meter box body module, a wire outlet box body module and a wire row box body module, the wire inlet box body module, the bus box body module, the electric meter box body module, the wire outlet box body module and the wiring box body module are flexibly assembled and detachably connected through connecting assemblies; adjacent wire inlet box body modules, bus box body modules, electric meter box body modules, wire outlet box body modules and row wire box body modules are communicated through knock-off type wire inlet and outlet assemblies. The electric meter box body module comprises a plurality of electric meter boxes which are flexibly combined and arranged, the electric meter boxes are used for installing different types of electric meters, the adjacent electric meter boxes are communicated, and the electric meter boxes located on the edge are communicated with the wiring box body module. The electric meter box installation support is convenient to use, flexible to adjust, convenient to assemble and disassemble, capable of achieving installation of electric meter boxes of different specifications, convenient to install, disassemble and replace and wider in application range.

The utility model relates to a photovoltaic cleaning device supporting large-gradient walking, which is characterized in that a first connecting sliding chute is arranged on a first connecting side plate, a second connecting sliding chute is arranged on a second connecting side plate, a first rotating shaft is arranged on a first walking assembly, and a second rotating shaft is arranged on a second walking assembly; when the whole photovoltaic cleaning device is twisted, the first rotating shaft can rotate in the first connecting sliding groove, the second rotating shaft can also rotate in the second connecting sliding groove, and sliding connection between the connecting main frame and the first walking assembly and between the connecting main frame and the second walking assembly is achieved. By means of the structural characteristic that a roller shaft of the cleaning roller brush is connected with the first walking assembly and the second walking assembly, the structural characteristic that a first rotating shaft rotates with the roller shaft as the rotating center and a second rotating shaft rotates with the roller shaft as the rotating center is achieved, and connection between the connecting main frame and the first walking assembly and connection between the connecting main frame and the second walking assembly are more flexible; and the problem that the connecting main frame is stuck in the twisting process is solved.

The invention provides a photovoltaic module wiring device and a photovoltaic system, and relates to the field of photovoltaic technology, and the photovoltaic module wiring device comprises a wiring box and a plurality of battery packs. Wherein each battery pack is composed of one or more battery pieces. The junction box comprises an input module, a processing module and a wiring module, one end of the input module is connected with the battery packs, the other end of the input module is connected with the processing module and the wiring module, and the wiring module is further connected with the processing module. And the processing module is used for collecting the working data of the plurality of battery packs through the input module, generating a battery pack connection scheme according to the received application scene information and the working data of the plurality of battery packs, and controlling the wiring module to connect the plurality of battery packs according to the battery pack connection scheme. When the application scene information and / or the working data of the plurality of battery packs are / is changed, the processing module can automatically adjust the battery pack connection scheme, so that the photovoltaic module meets different application requirements in a distributed scene.

The invention provides a battery cell liquid leakage detection circuit and method.The circuit comprises a water leakage detection rope, the water leakage detection rope comprises a spiral frame and two conductive cores, and the two conductive cores are attached to the two sides of the spiral frame and are insulated and blocked by the spiral frame in the normal state; the water leakage detection rope is used for forming a low-resistance path between the two conductive cores when the water leakage detection rope is in contact with electrolyte of battery core leakage; and the controller is connected with the water leakage detection rope and is used for monitoring the change of the resistance between the conductive cores of the water leakage detection rope and triggering an alarm signal when the change of the resistance reaches a set threshold value. Safety risks caused by battery faults can be effectively prevented, and the reliability and safety of a battery system are improved.

The invention discloses a scoliosis orthosis with adjustable orthosis degree, and relates to the technical field of medical equipment, the scoliosis orthosis comprises a caudal vertebra supporting movable assembly, under the cooperation of a dynamic response adjusting assembly, the whole device fits the movement angle of the body to form a structure with adjustable orthosis degree, and timely correction adjustment is formed; the motion of muscle groups near the spine is dynamically adjusted according to the monitoring feedback of the orthopedic contact monitoring piece structure, so that natural human body muscle motion is conveniently simulated, the influence of prevention of muscle atrophy on rehabilitation is reduced, and meanwhile, under the cooperation of an air bag air pressure regulation and control assembly and an air bag regulation assembly, the rehabilitation effect is improved. The air pump and the electromagnetic valve are controlled through the built-in logic controller, so that fluid is independently conveyed into the stress pressure control air bag, adjustment of the stress pressure control air bag is achieved, the comfort level and adaptability of the memory metal fiber fixing belt are improved, the operation burden of a patient is reduced, and use convenience and comfort level are improved.

The application introduces a kind of supporting and fixing device of cylindrical component and its using method, the fixing device includes support beam and the fixed support that sets on both ends of support beam;The fixed support includes support body, support block, swing press plate, compression block, cushion block and locking plate.The structure of the application is reasonable, the cooperation degree is high, and the disassembly and assembly are quick and convenient;The L-shaped hole on the locking plate will not loosen and cause compression failure after contacting with the positioning shaft B to produce pressure and locking the cylindrical product;And when the positioning shaft B is located at the upper part of the L-shaped hole, the two swing press plates are completely opened, compared with the traditional semicircular fixing device, the lifting center of gravity is reduced, and the lifting safety and reliability are guaranteed;The cushion block can be replaced, which is convenient to replace after aging or damage, and prolongs the service life of the fixing device;All components are flexibly connected, compared with the transmission separation type fixing device, to avoid parts scattering;According to the size of the cylindrical component product, multiple fixed supports can be set, which has strong adaptability and wide application range.

The utility model relates to the technical field of hot pot table manufacturing, in particular to a single-pot smoke removal and purification hot pot table which comprises a table plate, a table frame, a purification box, a single-pot smoke exhaust mechanism and a smoke extraction mechanism. The periphery of the table plate is provided with an opening used for containing a plurality of single-person pot smoke discharging mechanisms, an induction cooker and a single-person pot body are arranged in each single-person pot smoke discharging mechanism, the table plate is fixedly connected with the table frame, a smoke discharging flue and a smoke pumping mechanism are sequentially arranged in the table frame from top to bottom, a purifying box is arranged on one side of the smoke pumping mechanism, and a smoke discharging opening is formed in the other side of the purifying box. Openings of the multiple single-pot smoke exhaust mechanisms are formed in the peripheral edge of the table plate, each single-pot smoke exhaust mechanism can independently exhaust smoke, multiple single pots can be placed on the hot pot table at the same time, oil smoke is exhausted through the corresponding smoke exhaust mechanisms, mutual interference is avoided, and the hot pot table is convenient to use and high in practicability. The oil fume can be quickly and effectively exhausted outdoors, and indoor air is kept fresh.

The application relates to the battery technical field and discloses a cabinet type battery module, which comprises an outer frame assembly, sliding rail assemblies are arranged on the two sides in the inner part of the outer frame assembly, a battery assembly is clamped between the two sliding rail assemblies, a first fixing bolt is arranged on the back surface of the sliding rail assembly, a second fixing bolt is arranged on the front surface of the sliding rail assembly, the outer frame assembly and the sliding rail assembly are fixed through the second fixing bolt, height positioning is conducted, the movement of the sliding rail assembly in the horizontal direction is positioned through the first fixing bolt, the first fixing bolt is disassembled, the battery assembly is pulled out along the horizontal direction through the front surface of the sliding rail assembly, and the battery assembly is disassembled; the battery assembly can be exposed by pulling the sliding rail assembly after the first fixing bolt is disassembled, so that direct maintenance and replacement can be conducted.

The present invention provides a building chord truss beam and an installation method thereof, comprising a U-shaped chord, a plurality of V-shaped struts connected to the middle section of the U-shaped chord, a U-shaped connecting rod connected to both ends of the U-shaped chord, a cable connected to the U-shaped connecting rods at both ends, the middle of the cable sequentially passing through the bottom of the plurality of V-shaped struts, and applying prestress to the chord by tightening the cable. The chord truss beam provided by the present invention can be used for small span structures, has a high degree of standardization of components, is more flexible in connection, has a light structure, is easy to produce and install, and has a low overall cost.

The invention discloses an implementation method of a micro POF transceiver for long-distance power supply and data transmission, the transceiver comprises an end A and an end B, and power supply and data transmission are realized by using a photoelectric composite cable. The A end is powered by a POE power supply and amplifies an input signal to a sufficient level to drive an LD laser to emit light, thereby realizing POF optical signal transmission. And the B end receives 12V-60V wide voltage input, stable 12V voltage is output through the voltage reduction and stabilization module, and network signals are output through the RJ45 interface at the same time. According to the scheme, the POE and POF technologies are combined, the problems that the existing POE transmission distance is limited and the network rate is attenuated are solved, 13W POE power supply and 1000M data transmission can be realized within the range of 800m, and different power supplies and devices are compatible. And through a mini design and an independent heat dissipation module, the stability and the industrial environment adaptability of the system are improved. The technology greatly prolongs the transmission distance, simplifies wiring, and is suitable for high-requirement network scenes such as enterprises and parks.

The utility model discloses a kind of millisecond acquisition systems of steam total meter, including multiple steam total meter, operator communication server, LAN host, DCS station communication module and DCS production network host;4G transmission module is equipped on each steam total meter, and operator communication server is wirelessly connected by 4G network, for sending the steam data collected to operator communication server under different acquisition system according to different acquisition period;The operator communication server is connected with LAN host by wired or wireless network, and the steam data received is transmitted to LAN host;LAN host and DCS station communication module are connected using hand-in-hand parallel connection hardwiring connection mode, and the communication protocol of steam total meter is accessed DCS station communication module by modbus protocol channel;The DCS station communication module is connected with DCS production network host by wired connection.The utility model whole structure is simple and reasonable, practical and convenient, and stable in operation.

The utility model discloses a kind of shell assembly and bladeless fan, it includes: cover and connecting structure, the bottom of inner shell is provided with support seat, the side of inner shell is provided with first air inlet;Inner shell is provided with first installation structure, and first installation structure is used to connect inner shell and lamp body;The side of cover is provided with second air inlet, cover is provided with second installation structure for connecting dust screen;The top of inner shell and the top of cover are connected relatively by connecting structure, and there is gap between the side of inner shell and the side of cover.Air is provided with additional flow path in gap, avoid air in the process of air intake excessive crowded or form vortex, ensure that air can smoothly enter fan inside, improve air intake efficiency.In addition, gap design makes the connection between inner shell and cover more flexible, help to absorb certain vibration and expansion, thereby reduce the possibility of dust cover drop, thereby further enhance the durability and service life of product.

The utility model provides an energy storage system, and relates to the technical field of power grid management, and the energy storage system comprises an energy storage device, a switching device, and an AC function unit. Wherein the energy storage device is connected with an alternating current port of the energy storage system and is used for alternating current and direct current conversion and electric energy storage; the alternating current function unit is used for providing a supporting operation function for the energy storage system; the AC function unit is connected with the AC port through the switching device, and the switching device is used for controlling the commutation or disconnection of a power supply path of the AC function unit at a target phase. Therefore, the alternating current function unit is used for providing a supporting operation function for the energy storage system, the stability and the reliability of the energy storage system in the operation process are guaranteed, meanwhile, the application scene of the energy storage system is enriched, and the system is particularly suitable for the scene that a single-phase important load is connected to micro-grid energy storage three-phase alternating current.

The utility model relates to a beam type lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting belt type lifting appliances and comprises a beam frame, a lifting belt and a lifting lug, wherein the beam frame is detachably connected with a lifting hook of the hoisting equipment, the beam frame comprises main beams and a secondary beam, and the secondary beam is vertically mounted between the two main beams; the hanging belts are hung below the main beams and used for being connected with the prefabricated square blocks; the two ends of the lower portion of each main beam are each provided with at least two pairs of lifting lugs, the lifting lugs located at one pair of diagonal positions of the main beams are provided with transverse rods, and the lifting lugs located at the other pair of diagonal positions of the main beams are provided with hydraulic pin shafts. The cross rod and the hydraulic pin shaft are both used for hanging a sling, and the hydraulic pin shaft is further used for being separated from the sling. According to the beam type lifting appliance for lifting the prefabricated square block, the hydraulic pin shafts are arranged at the diagonal positions, so that automatic unhooking can be realized at limited cost; at least two sets of lifting lugs can improve the adaptability of the lifting appliance to prefabricated square blocks with different sizes.

The three-way vibration isolator comprises an upper foot margin piece, a lower foot margin piece and spokes, and the upper foot margin piece serves as an upper supporting structure of the three-way vibration isolator and is used for being connected with a machine case; the lower foot margin piece serves as a lower supporting structure of the three-way vibration isolator and is used for supporting a fan; the spokes are connected with the upper foot margin piece and the lower foot margin piece to form a main body structure of the three-way vibration isolator; the upper foot margin piece and the lower foot margin piece are parallel, an upper foot margin piece hole is formed in the piece face of the upper foot margin piece and connected with a machine box through a bolt, a lower foot margin piece hole is formed in the piece face of the lower foot margin piece and connected with a fan through a bolt, and the upper foot margin piece and the lower foot margin piece are connected through a bolt. The upper foot margin piece, the lower foot margin piece and the spokes are each of a hollow structure, each hollow structure comprises an opening, the spokes are elastic, the upper foot margin piece and the lower foot margin piece are each of a structure with a certain thickness and rigidity, and the device solves the current problems of high cost and poor vibration isolation performance.

The invention relates to the technical field of projection, and discloses a multifunctional interactive computer desktop display and movable projection combined method, which comprises the following steps: step 1, wireless docking; 2, integrating multiple functions; step 3, projection relevance identification; 4, sorting projection contents; 5, performing deep logic analysis; and step 6, assigning projection. According to the invention, a plurality of interaction modes, namely voice, gestures and cloud synchronization, are integrated on one platform, a user selects the most appropriate interaction mode according to requirements, projection content is highly related to user requirements through character recognition and view recognition technologies, and deep logic analysis ensures that low-correlation content does not interfere with the user, so that the user experience is improved. A user can customize projection contents and sequences according to requirements, different use scenes are met, equipment connection is more flexible through a wireless docking technology, the system is suitable for various environments and scenes, and the beneficial effect that multifunctional interactive computer desktop information sources are projected at the same time is achieved.

The invention provides a headlamp panel assembly of an electric bicycle, which comprises a front panel connected with an electric bicycle main body, the inner side of the front panel is connected with a slideway main body, the front surface of the front panel is provided with a lamp opening corresponding to a headlamp in position, the lamp opening is provided with a sliding cover capable of being opened and closed, and the sliding cover slides along the slideway main body. One end of the sliding cover is rotationally connected with the connecting rod assembly, two sides of the connecting rod assembly are connected with the transmission assembly, and the transmission assembly is connected with a power output shaft of the motor. According to the headlamp panel assembly of the electric bicycle, the headlamp is protected, the external influence is reduced, and the service life of the headlamp is prolonged.

The present invention provides a terminal connection structure, comprising: an insulating housing to be mounted to a panel, the insulating housing having a through terminal channel; a primary terminal structure disposed in the terminal channel, the primary terminal structure is to establish an electrical connection running through the terminal channel; and a soldering terminal, one end of the soldering terminal is to be soldered to a circuit board spaced apart from the panel, and the other end of the soldering terminal is to be plugged into the primary terminal structure, wherein one end of the primary terminal structure comprises a first elastic coupling member for establishing a slidable electrical connection with the soldering terminal.

The invention discloses an aircraft control equipment thermal management device and a thermal control method, and belongs to the technical field of aircraft equipment thermal management. The device comprises a soaking unit, a heat storage unit and a pressure relief unit. The heat homogenizing unit conducts heat generated by the aircraft control equipment heating unit into the phase change material in the heat storage unit in a heat transfer mode. The pressure relief unit is located in a shell of the heat storage unit, a dynamic pressure balance method is adopted, the internal pressure of the heat storage unit is adjusted through a piston, and therefore the air pressure dynamic balance problem caused by volume change in the solid-liquid phase change process of the phase change material is solved. The design of soaking and heat storage under the volume constraint of aircraft control equipment is achieved, pressure balance in the heat storage unit is achieved through the pressure relief unit, the heat dissipation and heat storage capacity is effectively improved, and meanwhile safety and reliability can be guaranteed.

The utility model relates to the technical field of bases for assembly type buildings, and discloses an assembly type building stable supporting base which comprises a base body, a first dovetail groove is formed in the left end face of the base body, a dovetail block is fixedly connected to the right end of the base body, and the dovetail block is located in the first dovetail groove in the left side of the adjacent base body and connected with the first dovetail groove in a sliding mode. Second dovetail grooves are formed in the front end face and the rear end face of the left side of the base body, the two sets of second dovetail grooves are symmetrical, the second dovetail grooves are matched with the dovetail blocks of the adjacent base body, limiting grooves are formed in the upper end face and the lower end face of the base body at equal intervals, and the limiting grooves are distributed with the center line of the base body as the symmetry axis. According to the utility model, through the sliding connection between the first dovetail groove and the dovetail block and the matching between the second dovetail groove and the dovetail block, the rapid splicing and stable connection between the base bodies in the horizontal direction can be realized, meanwhile, the requirements of branch splicing are met, and the construction efficiency and the structural stability of the fabricated building wall are effectively improved.

The utility model discloses a kind of assembled external elevator shaft;Including elevator shaft pedestal, several layer unit structures and several corridor components;Elevator shaft pedestal is arranged on the ground outside building, several layer unit structures are vertically arranged in turn, the layer unit structure in the lowermost layer is fixed with elevator shaft pedestal, and the cavity for reciprocating of elevator is formed in several layer unit structures inside;Corridor component is equipped between adjacent upper and lower group layer unit structures, and the corridor component at least includes two corridor support beams, one end of corridor support beam is detachably connected with corresponding layer unit structure, and the other end of corridor support beam is fixedly connected with building side wall.This assembled external elevator shaft uses assembled structure, and each component is installed on site, which greatly shortens construction period.Prefabricated bolt and detachable connection mode make installation process more convenient, reduce on-site construction time and labor force.It has little influence on building main body, and external elevator shaft does not occupy building internal space, which reduces the modification of building main structure.

The utility model discloses a caliber-adjustable silage bagging device, which belongs to the technical field of silage filling, and realizes dynamic adjustability of connecting caliber by arranging caliber adjusting devices with the same structure at two ends of an elastic connecting pipe and combining a plurality of radially distributed telescopic rods and driving mechanisms matched with the telescopic rods. The telescopic rod drives the elastic connecting pipe with flexible deformation capacity, the caliber of the elastic connecting pipe expands or contracts along with the telescopic rod in the telescopic process, the telescopic rod can be effectively attached to the outlines of the filling machine and the ensiling bags, and the device is simple in structure, convenient to adjust, capable of adapting to the ensiling bags with different calibers and high in practicability. And the connecting sealing performance and the filling stability are improved, and the silage filling device is suitable for various silage filling working conditions.

The invention discloses a solar panel cleaning unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles, and comprises an aircraft and a connecting structure, and the connecting structure is arranged at the bottom of the aircraft; the cleaner is arranged at the bottom of the connecting mechanism, the cleaner comprises a shell fixedly connected with the connecting mechanism, a control part and a driving part electrically connected with the control part are arranged in the shell, and the driving part comprises a brush and cleaning cloth which are in transmission connection with the shell. According to the invention, cleaning work can be completed at a high place, height limitation and potential risks during manual cleaning are avoided, full-automatic operation can be realized, and the working efficiency and the cleaning quality are obviously improved. In addition, various intelligent sensors and cleaning tools can be arranged to support the use under different weather and environmental conditions, so that the consumption of water resources is greatly reduced, the risk of damage to equipment is reduced, and the power generation efficiency of the photovoltaic panel is effectively improved.

This utility model relates to the field of oral medical technology, and more particularly to an implant posture measurement component and an implant posture measurement device. The implant posture measurement component includes: an auxiliary positioning member comprising a first portion and a second portion, the surface of the first portion having a marking pattern, the second portion being connected to the first portion, the second portion having a first mounting cavity, and a first concentric positioning structure disposed within the first mounting cavity; a first connecting member comprising a first mounting part, a second mounting part, and a first connecting part arranged sequentially along the axial direction, the second mounting part having a second concentric positioning structure disposed therein; and a second connecting member comprising a second connecting part, a first positioning part, and a third connecting part arranged sequentially along the axial direction, the second connecting part having a second concentric connecting structure disposed thereon. This utility model allows the same auxiliary positioning member to connect with implants from different brands and manufacturers while maintaining a high degree of concentricity.

The utility model discloses a 3D printing rapid forming mold, and relates to the technical field of molds. The device comprises a shell, wherein adjusting grooves are formed in the two sides of the shell; an inner mold is slidably connected into the shell, sliding blocks are fixed to the two sides of the inner mold, and an adjusting plate is fixed to one side of each sliding block; positioning holes are formed in the side surfaces of the adjusting plates; a placing plate is fixed on one side of the shell; a first threaded hole is formed in the upper surface of the placing plate; the upper surface of the placing plate is movably connected with a bottom plate; a first bearing is fixed on the upper surface of the bottom plate; a transmission rod is fixed to the inner ring of the first bearing, and a threaded rod is fixed to one end of the transmission rod. Through the action of the inner mold, the mold is simple in structure, 3D rapid printing is facilitated, the threaded rods can be rapidly installed through the containing plate and the bottom plate, the height of the inner mold can be conveniently adjusted through the threaded rods, the mold can be used for products of different specifications, meanwhile, the unused threaded rods can be detached, and the mold is convenient to use. And the utilization rate of the threaded rod is improved when the threaded rod is used on another shell.