173results about How to "Reliable unlock" patented technology

The invention discloses a bottom power taking self-locking electric bus battery box system capable of quickly changing a battery. The system comprises a battery box (1), a tray (2) used for bearing the battery box and arranged on an electric bus, mobile equipment (4) for conveying the battery box, and a grabbing device (5) arranged on the mobile equipment; and a battery box locking and unlocking device (3) is arranged on the tray. Through the system, automatic assembly of the battery box in the electric bus battery box system is realized, and the problems of over positioning, deformation of power wire connection pegs, breakage, arc discharge, welding, difficulty in automatically realizing unlocking due to impact of the battery box to a bolt of a locking mechanism in jolt and deformation of the battery box due to impact in jolt. The system is reasonable, reliable, simple and compact in structure, and can full-automatically, quickly and conveniently realize quick change of the power battery.

The invention relates to a locking-unlocking device driven by two-stage redundancy, belonging to the technical field of locking and unlocking between two structures. The device is characterized by comprising a cylindrical shell with two open ends, a shell base, a shell top cover, a split nut, a ferrule 11, a primary drive, a primary stop dog, a switching device and a secondary drive, wherein the shell base and the shell top cover are respectively connected with the two ends of the shell, and through holes are respectively arranged in the centers of the shell base and the shell top cover; the split nut is arranged on the inner axial line of the shell, the ferrule is sleeved at the periphery of the split nut, and one end of the collar is closed; and the primary drive, the primary stopdog, the switching device and the secondary drive are arranged in the shell. The device has the advantages of reliable locking and unlocking, little unlocking impact force, strong bearing capacity, fast resetting operation, compact structure, small volume, diversified installation interfaces, and the like.

The invention provides a sliding bottom electricity-taking and self-locking electric bus battery quick-change pellet device. The electric bus battery quick-change tray device comprises a pellet and a locking and unlocking mechanism (3) mounted on the pellet. According to the invention, the battery box can be correctly positioned and reliably locked reasonably; the force is reasonably applied to the battery box; simple structure and simple and reasonable power wire splicing mode are obtained; and the arc discharge phenomenon can be effectively prevented.

The invention relates to a cover panel for an aircraft, comprising a decompression opening that can be closed by a decompression flap that comprises a membrane, and a ventilation opening that is provided separately in the cover panel and that is permanently open. Furthermore, the invention relates to an aircraft fuselage comprising such a cover panel.

The invention discloses a connector locking and electromagnetic unlocking device. The device is fixed in the connector and comprises a locking mechanism, an electromagnetic mechanism, a hand wheel mechanism and a labor saving mechanism, wherein the rear end of the electromagnetic mechanism is in axially relatively fixed and running fit connection with the hand wheel mechanism; the hand wheel mechanism and the locking mechanism are connected through thread fit; the locking mechanism is sleeved in the electromagnetic mechanism and is connected with the electromagnetic mechanism in a sliding fitmanner; and the labor saving mechanism is fixedly connected at the front end of the electromagnetic mechanism through a bolt and is sleeved at the outer periphery of the locking mechanism. Through the connector locking and electromagnetic unlocking device, an electromagnet triggers the labor saving mechanism and drives the connector locking mechanism to unlock, and fast unlocking separation of anelectromagnetic separation connector with multiple cores is realized. Meanwhile, when the hand wheel mechanism is rotated to drive the locking mechanism to move forward, the unlocking force of the labor saving mechanism is automatically stored to prepare for the next work cycle. The connector locking and electromagnetic unlocking device has the characteristics of compact structure, reliable locking and unlocking and high practicability.

The invention discloses an atomizing device and a foam discharging starting atomization water discharging gas recovery method thereof. The atomizing device comprises a dropping head, a first pin, a fishing head, a lock ring, a second pin, a cutting ring, a clamp seat, a suspension sleeve, a clamp, a cone, a rubber sleeve, a pressure-bearing sleeve, a third pin, a core pipe, a resonantor, a nozzle, a cyclone, an outer tube and a sand filter tube. The water discharging gas recovery method comprises the steps of dropping and seating the atomizing device, discharging the water, recovering the gas and fishing. The atomizing device further stretches an oil pipe to be below a liquid surface of accumulated liquid so as to realize the tertiary atomization of the accumulated liquid, the atomizing degree of the liquid drop is high, and the atomizing water discharging and gas recovery effect is improved; the locking of a horse-tooth buckle is matched with the unlocking of the pins, so that reliability in anchoring is achieved; the removal of the sealing and anchoring of the clamp and the rubber sleeve can be realized by adopting a way for withdrawing the cone, so that reliability in unlocking and success in fishing can be achieved; the water discharging and gas recovery construction requirement of a low-pressure low gas recovery well can be well met.

The invention relates to a clamp for processing a vertical positioning surface of a tail wing of an airplane. The clamp comprises a bracket, and a gesture adjusting positioning device which is positioned at one side of the bracket and used for providing positioning supporting to the medium tail part of the tail wing; external supporting devices for compressing the outer side of the head part of the tail wing are mounted on an upper cross beam and a lower cross beam of the bracket; an inner supporting device for compressing the inner side of the head part of the tail wing is mounted on a medium cross beam of the bracket; a main clamping mechanism for fixing the head part of the tail wing is also mounted on the bracket. With the adoption of the clamp, the vertical positioning surface can be automatically positioned and clamped; the requirement on positioning and assembling of large and poor-rigidity parts can be met; after gesture adjusting, the clamping effect is outstanding; the parts are free of deformation due to clamping; the adjusting efficiency is high; the adjusting is flexible and stable.

The invention relates to an ice dispenser for dispensing ice cubes or comminuted ice flakes, comprising a housing (36), an inlet opening of the introduction of the uncomminuted ice cubes into the housing (36), an outlet opening for the dispensing of the optionally uncomminuted ice cubes or the comminuted ice flakes from the housing (36), an ice comminuting device (30), comprising a driven shaft (28), mounted on which are a blade arrangement (31, 32) rotating with the shaft (28) and a counter blade arrangement (33) which optionally either rotates with the shaft (28) or is fixed with relation to the housing (36) depending ion the position of a locking means (35). According to the invention, the risk of output of an inadequately comminuted ice cubes during a comminuting operation of the ice dispenser can be reduced, wherein at least one counter blade (34a, 34b) of the counter blade arrangement (33) has a catch (42) for engaging with a counter catch (40) of the locking device (35). An undesired release of the counter blade (34a, 34b) for the locking means (35) is thus prevented.

The invention relates to a car seat angle adjuster with an improved structure, belonging to car seat accessories. The car seat angle adjuster comprises a gear disc base, a gear disc, pinion plates, a pinion plate driving mechanism and a closed ring, wherein the gear disc base is circular, is axially provided with a first axle hole in center and is also provided with a first locating boss at one side, and three pinion plate locating bosses at the other side, and a sliding groove is formed between two adjacent pinion plate locating bosses; the gear disc is circular, is axially provided with a second axle hole in center, is provided with a gear ring and an accommodating cavity, and is also provided with a second locating boss at the other side; the pinion plate driving mechanism comprises a cam plate, a central shaft and a spring; the three pinion plates are located in the sliding grooves and are provided with gear teeth, lug grooves and bottom edges; and the closed ring is sealed around the gear disc base and the gear disc. The invention has the advantages of uniform movement of all the pinion plates, reliable locking, small gap, convenient unlocking, high strength, small size, simple structure, convenient assembly, low production cost and wide application scope.

A telescopic connecting rod locking mechanism relates to a locking mechanism. The invention solves the problem of realizing the reliable and accurate locking location of a fully unfolded extending arm inside a loading drum by means of a limited space positioned between the extending arm and the loading drum and the relative motion of both the extending arm and the loading drum. The invention adopts the following structure: a drive piece (2), a locating piece (3) and a connecting piece (11) are connected together through four linear slide rails (8); four cantilevers (3-2) arranged on the locating piece (3) are respectively connected with four locking pieces (9) which are respectively articulated with one end of each of four telescopic connecting rods (14); the other end of each of the four telescopic connecting rods (14) is articulated with the connecting piece (11); the internal wall of a loading drum (1) which is arranged between the drive piece (2) and the locating piece (3) is provided with a retaining platform (12); moreover, the internal wall of the loading drum (1) is provided with a location hole (13). The telescopic connecting rod locking mechanism, which makes use of the limited space positioned between an extending arm and a loading drum, realizes the locking location and unlocking of the extending arm and the loading drum.

The invention relates to an outside door handle for a closing device of a motor vehicle, comprising: a housing part (2) fastened to a door of the motor vehicle; a handle part (6), which is mounted in the housing part (2) in a manner that enables it to pivot about a shaft (4) and which serves to open the door, and; a blocking device the prevents the handle part (6) from moving in an opening direction in the event of a side impact upon the door. To this end, the invention provides that the blocking device consists of a mass element (10), which is pivotally mounted inside the housing part (2) and which, in the event of a side impact, executes a pivotal motion due to the inertia of masses, and consists of a blocking element (14), which is coupled to the mass element (10) and, for the duration of the deflection of the mass element (10), can be displaced in such a manner that the blocking element (14) temporarily prevents the handle part (2) from moving.

The invention provides a file unlocking and shredding method. The method comprises the following steps of: judging whether an object file can be opened and meet the preset conditions; if so, obtaining a handle of the object file and obtaining an object of the object file based on the handle; and searching the object of the object file for the corresponding file reference information base and assigning the reference count value in the file reference information base as the preset value. The file unlocking and shredding mechanism provided by the invention not only is safe and reliable and has high success rate but also can distinguish and counter the self-protection behaviors of the files with malicious programs in the complex client environments, thus enhancing the counterforce of attacking and defending the drive stage malicious programs.

The invention provides a foldable golf barrow, comprising a frame (1), a front wheel (2), a rear wheel (3), a handle component (4), a golf bag upper bracket (5), a golf bag lower bracket (6), a rear wheel folding device (7) and a foldable locking mechanism (8); the hinging typed frame consists of a main pipe component (9), a vertical pipe component (10) and a central bracket (11); the front part of the main pipe component is provided with the front wheel and the lower bracket and the rear end thereof is fixed with the central bracket; the lower end of the vertical pipe component is pivotally connected on the central bracket transversely and horizontally and the upper end thereof is fixed with the upper bracket and pivotally connected with the handle component; the rear wheel folding device comprises two parallel four-link mechanisms (17) which are symmetrically arranged by a pipe seat (12) as a common frame part; the links are respectively provided with a rear wheel; the upper end of a pushing rod (20) is pivotally connected at the two sides of the lower part of the vertical pipe component respectively and the lower end thereof is pivotally connected on the rear wheel folding device. The barrow of the invention can be folded into small dimension; independent guideway can meet the requirement of wearability, rigidity and smoothness, is not easy to be abraded and affects no appearance of the frame.

The invention relates to a support assembly for the locking structure of a rotation arm and the combined mirror of an onboard head-up display. The support assembly comprises a positioning wheel and a rotating arm which are provided with positioning slots, a positioning pin which is embedded in each positioning slot in a radial direction and a locking mechanism which is used for driving the positioning pin to embed into and take off a corresponding positioning slot are arranged on the rotating arm, the locking mechanism comprises a crank slide block mechanism, a slide block in the crank slide mechanism is matched with the positioning pin in a transmission way, a crank is provided with a locking position and a delocking position during a rotation process, a plane formed by the hinged axis of the connecting rod and the slide block in the crank slide block mechanism as well as the rotating axis of the crank is a reference plane, the hinged axis of the crank and the connecting rod is positioned on the reference plane or on one side of the reference plane, and when the hinged axis of the crank and the connecting rod is positioned on one side of the reference plane, a limit mechanism for enabling the crank to be in a locking position is arranged on the rotating arm. The invention provides the locking structure of the rotating arm used in assembly of the combined mirror of the head-up display on a transportation aircraft, and the locking structure is reliable in locking.

There is provided an lock releasing mechanism coupled to a locking mechanism via a cable and configured to be capable of releasing a locked state of the locking mechanism by electrically towing the cable, and an lock releasing mechanism can include a main switch configured to operate manually, a motor configured to be driven by a current passing operation via the main switch, a conversion gear mechanism configured to convert the direction of output of the motor, converting means configured to convert a rotating motion to a reciprocating linear motion, a slider to which the cable is coupled and configured to perform the reciprocating linear motion, and a limit switch configured to be able to pass a current to the motor by a parallel circuit different from a current passage circuit of the main switch. The limit switch is in a current blocking state when the slider is at a neutral position. In contrast, a current passing state is retained while the slider makes one reciprocating motion, and the slider is retained at a full-stroke position for a predetermined period.

The invention discloses a sealed undercarriage control handle with locking and unlocking functions. The sealed undercarriage control handle comprises a handle operating component, a transient dynamic mechanism and a locking and unlocking component, and is characterized in that the handle operating component comprises a handle (2), a clamping plate (25) and a cam (33); the clamping plate (25) is fixedly mounted on a mounting plate (14); the handle (2) is rotatably connected with the clamping plate (25); the cam (33) is mounted at the lower end of the handle (2) and is rotationally matched with the mounting plate (14) and a bushing (26); the transient dynamic mechanism comprises a pillar (36), a piston (13), a guide cylinder (11) and a swing plate (9); the pillar (36) is mounted at the lower end of the handle (2) and is rotationally matched with the piston (13); the piston (13) is matched with the guide cylinder (11) in a sliding manner; the swing plate (9) is rotatably mounted at the tail end of the guide cylinder (11); and a leaf spring (24) and a microswitch (23) are fixed on the mounting plate (14). The sealed undercarriage control handle is reliable in performance, is safe and practical, and is suitable for being popularized and applied in handle locking and unlocking operations of aircrafts.

The invention discloses a weight counterbalance locking device for construction machinery. The device comprises a weight counterbalance lift cylinder, wherein a piston rod (1) of the weight counterbalance lift cylinder further comprises a first rod section (12) positioned on the top end of a piston body (2) and a second rod section (11) positioned on the bottom end of the piston body (2); the side wall of the first rod section (12) is provided with a groove (122); a pin hole is arranged on the side wall of the top end of a piston cylinder (3) of the weight counterbalance lift cylinder along the radial direction; and a locking pin (6) is arranged in the pin hole, and can axially reciprocate along the pin hole, so that the locking pin can be selectively inserted in the groove (122) to lock the axial position of the piston cylinder (3) and the piston rod (1). The invention also discloses the construction machinery comprising the weight counterbalance locking device. The weight counterbalance locking device and the construction machinery can reduce assembly space required by the locking device based on ensuring the reliability of weight counterbalance locking.

The invention provides a locking device for a multistage actuating cylinder. The locking device comprises an end cover, an outer barrel, a middle barrel, an inner barrel, upper and lower sliding sleeves, upper and lower unlocking sleeves, upper and lower locking clamp rings, upper and lower limiting clamp rings, connecting screws, upper and lower elastic elements as well as upper and lower steel balls. A highly bearing steel ball locking mechanism is combined with the multistage actuating cylinder, so that the mechanism has high bearing capacity in a locked state, guarantees long unfolding travel of the actuating cylinder, realizes a reusable function on the basis of reliable locking and unlocking, and is applicable to landing support legs of reusable launch vehicles; meanwhile, the mechanism is simple to machine, convenient to mount, capable of realizing automatic collection and release and long in service life.

The invention relates to a horizontal satellite-rocket separation mechanism which comprises a main frame, two connection unlocking devices, two shear-bearing positioning pins, three spring thrust devices and a stroke switch support.

An automobile seat angle adjuster comprises a gear cover (1), a gear bowl (2), a small gear sheet drive mechanism (4) and an edge covering ring (5). The automobile seat angle adjuster is characterized in that each small gear sheet (3) is of a two-level thickness stepped structure in the thickness direction, grooves (34) are formed due to the thickness level differences, and hanging lug holes (32) are formed in the thin walls of the small gear sheets (3); a cam plate (41) is further provided with protruding parts extending radially and hanging lugs (412) are arranged on the protruding parts; in a locking state, stop protrusions (413) of the cam plate abut against two bottom edges (33) of the small gear sheets; in the unlocking stroke, the hanging lugs (412) move along the hole walls in the hanging lug holes (32) to drive the small gear sheets to be displaced in the direction of a center shaft (42), and teeth of the small gear sheets are separated from a gear ring of the gear bowl. By the adoption of the automobile seat angle adjuster, the purposes of continuous uniformity, reliability and the like of motions of the small gear sheets are achieved, unlocking operation is convenient and stable, gaps of a product structure are small, the size is small, assembling operation is convenient, and production cost is low.