98results about How to "To achieve the locking effect" patented technology

The invention discloses a method, a device and a system for recharging by using a voucher card. The method for recharging by using the voucher card comprises the steps that a service control point (SCP) inquires a voucher center (VC) about the inquired times of the voucher card according to received subscriber voucher card information; and when the inquired times of the voucher card reach a preset threshold, the VC locks the voucher card. By using the method, the device and the system, the repetitive recharging risk of the voucher card is effectively reduced and precluded in time, and the situation that great losses are brought to an operator because one voucher card is repetitively used for recharging is avoided.

The invention discloses a flanging and riveting self-locking nut and a machining method thereof. The flanging and riveting self-locking nut is a reducing cylinder body in appearance. The middle section of the reducing cylinder body is a large cylinder 1. A cone 2 is arranged at one end of the large cylinder, and a small cylinder 3 is arranged at the other end of the large cylinder. A reducing hole is formed in the middle of the reducing cylinder body. A large hole 4 is formed in the small cylinder. A small threaded hole 5 is formed in the large cylinder and the cone. The large hole and the small threaded hole are in transition through a chamfer 6. Locking grooves 7 evenly distributed along the circumference are formed in the cone. According to the flanging and riveting self-locking nut and the machining method thereof, an important new product is added to the field of fastening connecting pieces, threaded connecting and riveting are integrated through the structure of the flanging and riveting self-locking nut, threaded screwing can be conducted without the cooperation of external force during assembling, materials are saved in the application of the automatic locking and die forging technology, time is saved, high efficiency is achieved, the safe reliability is high, the mechanical performance is stable, and maintenance is convenient.

The invention discloses a sift-proof backdoor locking device of a compartment, which is characterized by comprising an opening-closing mechanism and a locking mechanism, wherein the opening-closing mechanism is fixed at the top of the compartment backdoor; the locking mechanism is arranged on movable porous plates on two sides of the lower combination place of the compartment backdoor; and the locking mechanism adopts a single cylinder structure locked by symmetrical bolts on left end and right end. The device has the advantages of simple structure, reliable action, low cost and the like.

The invention relates to an angle-adjustable supporting mechanism for medical equipment, and aims to solve the problems. The angle-adjustable supporting mechanism comprises a medical equipment body and a supporting mechanism, wherein the medical equipment body is arranged on the supporting mechanism, the supporting mechanism comprises an equipment mounting table plate and a base supporting plate,a connecting vertical plate is arranged at the upper end of the base supporting plate, and the upper end of the connecting vertical plate is connected with a No.1 connecting cylinder. According to theangle-adjustable supporting mechanism for the medical equipment, the adjustable supporting mechanism is arranged below the medical equipment body, the medical equipment body is supported, the angle of the medical equipment body can be adjusted, a transmission manual adjusting mode is replaced with a mechanical adjustment mode in the adjusting process, the effects of saving time and labor can be achieved in the adjusting process, the problem that the medical equipment body is damaged due to manual misoperation can be avoided, and therefore, the angle-adjustable supporting mechanism has higherpractical value in practical application.

The invention belongs to the field of film roll rolling devices and particularly relates to an edge locking clamp for rolling of film rollers. The edge locking clamp comprises upper roller wheels and lower roller wheels which form clamping rollers, and the matched clamping gaps of the upper roller wheels and the lower roller wheels form a gap for moving of a clamped thin film. The roller faces, in contact with the clamped thin film, on the upper roller wheels and/or the lower roller wheels are provided with conical faces. The axes of the conical faces are coaxial with the axes of the corresponding roller wheels of the conical faces, and the small ends of the conical faces point to the direction in which the clamped thin film is to be stretched and are arranged in the direction in which the clamped film is to be stretched. Each clamping roller formed through matching of the corresponding upper roller wheel and the corresponding lower roller wheel forms a set, at least two sets of the clamping rollers are arranged at the two sides of the clamped thin film respectively. According to the edge locking clamp, the clamping rollers with the conical faces are additionally arranged, so that the function of edge stabilizing and the function of edge locking in the moving process of the thin film are achieved by depending on the clamping and stretching force on the side edge of the thin film by the conical faces on the clamping rollers, the thin film is stretched tightly, flatness of stretching in the moving process of the thin film is finally ensured, and the edge deviation and corrugation phenomena of the thin film in the rolling process are improved and even avoided.

The invention relates to a cutting tool, particularly for use in a tool chuck of a machine tool, including a tool shaft with a center longitudinal axis and a tool head. The tool head is connected to the tool shaft via a positive-locking connection, which locks the movement in the direction of the center longitudinal axis and the positive-locking connection is supplemented by a bonded connection, particularly a soldered connection.

The invention discloses an outward-opening type fire resisting window. The outward-opening type fire resisting window comprises a fixing frame and a turning frame, wherein the turning frame is connected in an outward turning mode relative to the fixing frame, and a spring hinge driving the turning frame to close is arranged between the fixing frame and the turning frame; a locking body is arranged at the bottom of the turning frame; a handle and a locking rod are arranged on the turning frame, and the locking rod is driven by the handle to rotate; the locking body comprises a locking case, a rotating piece, a pushing piece and a locking tongue, wherein the rotating piece is driven by the locking rod to rotate; the pushing piece abuts against a clutch of the rotating piece; the locking tongue is connected with the locking case in a slipping mode; the indoor-toward side face of the locking tongue is outdoors inclined ; and a first locking base is arranged on the fixing frame and is used for inserting of the movably locking tongue. When the turning frame is closed relative to the fixing frame, the locking tongue is drawn into the locking case, and the locking tongue is inserted into the first locking base through a first elastic piece, so that automatic locking is achieved.

The invention relates to the technical field of anti-theft nets, in particular to an invisible anti-theft and anti-falling net provided with a locking structure and capable of preventing a user from adjusting the tightness of steel wires and a construction method. The invisible anti-theft and anti-falling net provided with the locking structure comprises locking discs, locking rods and locking magnetic pieces; the locking discs are fixed into inner cavities of sectional materials; and the locking magnetic pieces enable the locking rods to move through magnetic force to lock the locking discs.The construction method sequentially comprises the steps that the invisible anti-theft and anti-falling net provided with the locking structure is manufactured in a factory; the invisible anti-theft and anti-falling net provided with the locking structure is mounted in an area where mounting is to be conducted; tension of steel wire ropes of the invisible anti-theft and anti-falling net provided with the locking structure is adjusted to be small; cover plates of the lower mounting sectional material are mounted; and cover plates of the upper mounting sectional material are mounted. The effectthat bases and the cover plates are locked is achieved through the mode that the base locking discs and the cover plate locking discs are locked, and the user can be effectively prevented from openingthe cover plates of the sectional materials.

A self-expanding nail used for fixing connectors includes an expansion spring ring and a nail, and the nail includes a nail cap, an expansion nail rod, a transition nail rod and a nail head connected in sequence. The beneficial effect of the present invention is that when the nail is shot into the main base, the expansion spring coil follows the nail and enters into the main base until the blocking position touches the surface of the base, and the nail continues to move forward under force. When going forward into the inside of the main base, the expansion nail shank begins to enter and squeeze the expansion coil, and the expansion coil begins to expand outward until the nail cap contacts the blocking position. Due to the double wall thickness of the expansion coil and the expansion The sum of the diameters of the nail rods is 0.2mm larger than the maximum diameter of the nail head, resulting in a 0.2mm interference between the expansion spring ring and the main base. The spring ring is displaced, and then achieves a locking effect, which effectively prevents the connecting piece from falling off.

The invention provides a high-voltage overhead line power cross arm which comprises a mounting frame, an insulator, a shifting sliding groove, a clamping rotating shaft, a clamping rotating rod, a clamping sliding block, a clamping spring, a shifting mechanism, a positioning mechanism, a supporting seat and a supporting spring. The problems that an existing high-voltage overhead line power cross arm is usually formed by assembling and splicing a single steel structure truss, the spacing distance between insulators is difficult to adjust according to the specification of an actually-installed wire harness to keep a certain safe distance, the power cross arm is always in high-altitude operation during installation and fixation, the number of supporting frames needing to be assembled and fixed is large, the work intensity and work amount of installation work of workers are increased, insulators on the electric power cross arm are generally fixedly installed, special disassembly tools are needed when the insulators are damaged and need to be replaced, the manual work amount is large, and the work efficiency of insulator disassembly and installation work is difficult to improve are solved.

The invention belongs to the technical field of medical instruments, and particularly relates to a laser three-dimensional medical image acquisition device. The device comprises a storage box and a supporting box which is slidably connected to the outer wall of the bottom of the storage box, wherein a bottom plate is slidably connected to the inner wall of the bottom of the storage box, connecting columns are fixedly connected to the four corners of the top of the bottom plate, the same top plate is fixedly connected to the top ends of the four connecting columns, and a rotating shaft is rotatably connected to one side of the top of the bottom plate. Accordingly, by means of the storage box, the effect of facilitating storage of a laser three-dimensional image acquisition device body can be achieved, and the storage stability is good; meanwhile, the automatic door opening and closing function and the box door self-locking function are achieved, the convenience, practicability and safety are greatly improved, the automation degree is high, the manual operation steps are reduced, and time and labor are saved; and the use angle and height of the whole device can be adjusted, the adjustment flexibility is high, the precision is high, placement and use in different environments are facilitated, and use is convenient.

The invention is an engine arm synchronous rotation structure and an industrial unmanned aerial vehicle with the engine arm synchronous rotation structure, relates to the technical field of industrialunmanned aerial vehicles, and solves the technical problem that the disassembly of the unmanned aerial vehicle wastes operation time. The engine arm synchronous rotation structure comprises a frame body structure, auxiliary transmission mechanisms, a main transmission mechanism, engine arm bodies, and a locking mechanism; the main transmission mechanism is arranged in the middle of the frame bodystructure and is used for simultaneously controlling all the auxiliary transmission mechanisms to rotate in a driving manner; one ends of the engine arm bodies are used for connecting rotor wings, and the other ends are fixedly connected with a group of auxiliary transmission mechanisms; the frame body structure and the engine arm bodies have a folding state and an unfolding state, and the locking mechanism is used for keeping the frame body structure and the engine arm bodies in the folding state or the unfolding state. The engine arm synchronous rotation structure and the industrial unmanned aerial vehicle with the engine arm synchronous rotation structure have the advantages that the operation is fast, no complicated disassembly steps are needed, the operation time is saved, and convenient accommodation and storage are realized.

The invention discloses a battery supporting device applied to a new energy automobile. The battery supporting device comprises a main plate, an auxiliary fixing block, connecting rods, a regulating rod, a locking device, a positioning pin, a shock absorber, a skid-proof plate and a rotating rod; one end of the main plate is fixedly provided with a side fixing block; the locking device is arrangedat the ends, far away from the main plate, of the connecting rods and is connected between the two connecting rods; a screw rod vertically penetrates through the auxiliary fixing block; a bolt is horizontally installed between the two connecting rods; the skid-proof plate is arranged at one side, far away from the side fixing block, of the positioning pin; a spring is installed at one end, closeto the main plate, of the positioning pin; the spring is connected between the positioning pin and the main plate; the connecting rods and the regulating rod are arranged for improving the fixation effect, on a battery, of the battery supporting device; the locking device and the screw rod are used for convenient dismounting and replacement of the battery supporting device; gear engagement transmission of the locking device is convenient to operate; the skid-proof plate improves the stability of the battery supporting device; and the shock absorber can realize better protection for a battery component.

The invention discloses a six-degree-of-freedom control handle. The six-degree-of-freedom control handle comprises a base, a shoulder joint, a large arm joint, a small arm joint, an elbow joint, a wrist joint, a hand claw and sensors. The base, the shoulder joint, the large arm joint, the small arm joint, the elbow joint and the wrist joint are connected mutually and sequentially through rotatingshafts in a two-by-two mode, and do swing movement through the rotating shafts in the two-by-two mode. The sensors are inlaid in the rotating shafts and used for collecting angle signals of swing movement. The wrist joint and the hand claw are connected through the rotating shafts and can do 360-degree continuous rotation, and the sensors are arranged on the rotating shafts and used for obtainingthe angle signal of relative rotating between the wrist joint and the hand claw. The six-degree-of-freedom control handle is provided with the multiple joints and has multiple degrees of freedom and multiple functions, operation and control are flexible, reliability is high, the attractive and elegant effects are achieved, complex control signals can be obtained through simple operation, and the six-degree-of-freedom control handle is especially suitable for master-slave control operation of industrial mechanical arms and underwater mechanical arms.

The invention discloses a novel door opening device and an application method thereof. The novel door opening device comprises a device body, a door lock device arranged in the device body and an anti-theft lock device arranged in the device body. The door lock device comprises a first working cavity formed in the device body. The upper side of the first working cavity is provided with an air cylinder cavity in a communicating manner. The lower side end wall of the first working cavity is internally and fixedly provided with a motor. An output shaft of the motor is fixedly provided with a transmission shaft which upwards extends and can extend and retract. The upper side end wall of the air cylinder cavity is internally and fixedly provided with a sensor. The lower end of the sensor is fixedly provided with an air cylinder. According to the novel door opening device, locking is firm, an anti-theft function can be started when error passwords are input multiple times during door opening, the situation that a loop-hole is provided for a thief due to the fact that a coded lock is too single is effectively avoided, and safety is improved.

The invention discloses a convenient-to-assemble photovoltaic module mounting structure, which comprises two vertical pipes arranged in a front-back symmetrical manner, lifting rods are slidably connected to the tops of the two vertical pipes, the bottom ends of the two lifting rods penetrate through the vertical pipes and extend into the vertical pipes, and a photovoltaic panel is movably connected between the top ends of the two lifting rods. And a lifting mechanism is arranged in the front side vertical pipe. The convenient-to-assemble photovoltaic module mounting structure relates to the technical field of photovoltaic power generation. According to the photovoltaic module mounting structure convenient to assemble, by pressing down a pressing block, the pressing block drives a slidingrod to slide downwards along the inner surface of a second through groove, and meanwhile, a spring is extruded to further pull a fixing block, so that a transverse pipe slides along the inner surfaceof a first through groove, and finally, the transverse pipe is separated from the lifting rods and a rotating seat; and through the arrangement of a disassembly and assembly mechanism, disassembly andassembly of the photovoltaic panel are facilitated, time and labor are saved, the working efficiency is improved, waste of manpower and material resources is avoided, and the practicability is very high.

A lock for locking a bike is provided. To lock the bike, a user inserts a rope head into a lock through a lock hole. The rope head drives a slider in the lock, and the slider drives a pin, causing an upper-rotation shaft of the lock become not linked to move with a lower-rotation shaft of the lock. Since the upper-rotation shaft and the lower-rotation shaft of the lock are respectively connected to a handlebar and a front wheel of the bike, the user is unable to control the front wheel through the handlebar. The rope head may also be connected to a rope, and when locking the lock, the user pulls the rope out from the lock, wraps the rope around a fixed object, and then inserts the rope head into the lock through the lock hole.

The invention relates to a separation device, in particular to a water-gas separation device for vacuum pumping of a suction machine. According to the water-gas separation device for vacuum pumping of the suction machine, water drainage can be accelerated through sponge wiping, and pure vacuum can be obtained through two-stage water-gas separation. A water-gas separation device for vacuum pumping of a suction machine comprises a first bottom plate and a first shell, and the first shell is arranged at the top of the first bottom plate; the first fixing block is arranged on one side of the top of the first bottom plate; the first drainage pipe is arranged in the upper part of the first fixing block; the supporting legs are symmetrically arranged on the two parts of one side of the top of the first bottom plate; and the first-stage separation lower bottom plate is arranged among the tops of the four supporting legs. Through the arrangement of the secondary separation mechanism, small water drops flow downwards into the second drainage pipe along the inner wall of the middle pipeline, and pure vacuum is exhausted through the exhaust pipe, so that the secondary water-gas separation effect can be realized.

The invention relates to an intelligent coffee machine case which comprises a case body and a coffee machine, the coffee machine is movably arranged in the case body, a second water inlet is formed inthe upper end of the coffee machine, the upper end of the coffee machine is connected with a case cover, the case cover abuts against the upper end face of the case body, and a second water inlet isformed in the case cover; by additionally arranging the special case body outside the coffee machine, in the actual working process, the coffee machine can be conveniently taken and placed, meanwhile,the effect that the coffee machine can be stably fixed in the case body can be achieved, and therefore in the coffee machine carrying process, the coffee machine can be prevented from shaking in thecase body; moreover, according to the coffee machine, the box cover is further arranged on the coffee machine and used for blocking the opening in the machine box body, and therefore the effect that the coffee machine is sealed in the machine box body is achieved through the sealing effect.

The invention discloses a sliding sleeve screw removing robot. The robot is characterized by comprising a power box, a position adjusting rod and a sleeve removing component, wherein the two ends of the position adjusting rod are connected to the power box and the sleeve removing component respectively; the sleeve removing component comprises a bottomless shell, a grinding motor, a support ring, atorsion motor, an impact component, an annular guide rail and a positioning ring, a grinding piece is arranged on the grinding motor, and the grinding motor is connected to the top in the shell; thetorsion motor is connected to the support ring, and a driving wheel is arranged on an output shaft of the torsion motor; gear teeth meshed with the driving wheel are arranged at the outer side of theguide rail; the positioning ring comprises an upper positioning ring and a lower positioning ring; and the lower positioning ring is provided with four through holes, the four through holes equally divide the lower positioning ring into four parts, a telescopic rod is inserted into each through hole, the end, away from the center of the lower positioning ring, of each telescopic rod is connected to the inner side of the guide rail, a plum blossom locking block is arranged at the other end of each telescopic rod, and an anticlockwise inclined groove is arranged in the inner side of each plum blossom locking block. The robot solves the problem that a screw head slips and cannot rotate.

The invention relates to a locking structure of a slotted nut. The locking structure comprises the slotted nut, wherein a threaded hole penetrates through the center of the slotted nut, a connecting shaft is screwed in the threaded hole, a clamping vertical groove is formed in the connecting shaft, a plurality of grooves are formed in the upper surface of the slotted nut along the circumference ofthe outer edge of the threaded hole, one end of the grooves communicates with the threaded hole, connecting threaded holes are formed in the grooves, a locking piece is arranged in the groove which corresponds to the clamping vertical groove in the connecting shaft, a counterbore is formed in the locking piece in the mode of corresponding to the connecting threaded hole, countersunk rivets are screwed in the counterbore and the connecting threaded hole, a projecting part is arranged on one side surface, which faces the threaded hole, of the locking piece, and the projecting part is clamped inthe clamping vertical groove in the connecting shaft. According to the locking structure, the slotted nut can be effectively locked, and the slotted nut can be effectively prevented from loosing; compared with other locking modes of the slotted nut, the locking structure has the advantages of simplicity, convenience and simplicity in matching and processing, and the phenomenon of improper lockingdue to the size of a general locking clamp is avoided.