35results about How to "Flexible locking" patented technology

The invention provides a method for calculating the quantity of resources of continuous oil and gas reservoir based on space grids. The method comprises the following steps: dividing an evaluation area into a plurality of basic evaluation units in the space according to the similarity of geologic feature attributes; determining key parameters that each basic evaluation unit has obvious heterogeneity in a plane, and collecting space data of the key parameters in the evaluation area and carrying out space vectorization on the data; dividing each basic evaluation unit of the evaluation area into grids equal in size; endowing recovery ratio data to each grid by an EUR (Estimated Ultimate Recovery) evaluation or analogy method; carrying out interpolation on the space data of the key parameters in the evaluation area, and endowing key parameter data to each grid; calculating the quantity of geologic resources and the quantity of recoverable resources of each grid by adopting a volumetric method according to the key parameter data and the recovery ratio data of each grid; carrying out integration on all the grids and calculating the quantity of geologic resources and the quantity of recoverable resources of the whole evaluation area. According to the method provided by the invention, the evaluation precision and the primary evaluation efficiency of oversea blocks are improved, rapidness and convenience are achieved, and the production demands can be satisfied.

The invention relates to a device and a method for unlocking a mobile terminal, which belong to the field of telephone communication equipment. The method includes that a button module transmits locking state interrupting signals to the mobile terminal, the mobile terminal enters a half-locking state, a distance sensor is started to detect whether an object close to the mobile terminal exists and the distance between the object and the mobile terminal, and simultaneously a timer is started to monitor time of the mobile terminal in the half-locking state; when the distance sensor detects that the object close to the mobile terminal exists and the distance between the object close to the mobile terminal and the mobile terminal reaches a distance threshold value, the mobile terminal is unlocked, otherwise the mobile terminal keeps the half-locking state; and when a timing threshold value is reached, the distance sensor is shut down to lock the mobile terminal. The device and the method for unlocking the mobile terminal can avoid false triggering operation and loss of additional electric quantity completely, effectively prolong service life of the sensor, further enhance functional stability of mobile phones and other mobile terminals, and improve user experience.

Provided is a flash card reader comprising two slot openings at both sides, a circuit board, and two sliding members each including an extended latch section adapted to lockingly engage a corresponding portion of a flash card inserted through the slot opening. Electrical terminals of the circuit board are electrically connected to electrical terminals of the inserted flash card. For ejecting the flash card, simply push a tab of the sliding member toward one side of the card reader for disengaging a corresponding portion of the flash card from the slot opening. The invention can effect the ejection by applying a minimum force. Thus, both the flash card and the card reader are more durable. Moreover, the inserted flash card is flexibly locked for preventing from accidentally throwing out from the card reader while carrying.

There is provided a system havingan execution core operable to execute internal instructions.A translation buffer is operable to store a plurality of internal instruction blocks of one or more internal instructions where the internal instruction blocks are a dynamic translation of respective external instruction blocks of one or more external instructions.A remapper is responsive to an execution request for an external instruction that is within one of said external instruction blocks to identify a corresponding internal instruction block stored within said translation buffer. Thus one or more internal instructions from said corresponding internal instruction block can be supplied to execution core.

The invention relates to a self-lifting type marine drilling platform lifting device and method. The device comprises a main floating pile, an auxiliary floating pile, a locking mechanism between a platform and a pile leg, a locking mechanism between the auxiliary floating pile and the pile leg and a locking mechanism between the main floating pile and the pile leg. The locking mechanism between the platform and the pile leg comprises a middle sliding block, an upper sliding block, a lower sliding block, a frame and a power driving device. The locking mechanism between the auxiliary floating pile and the pile leg comprises a frame, an auxiliary floating pile upper pin, a lower telescopic block, an auxiliary floating pile pin, a spring plate, a force limiting device, a spring pushing-pulling system and a limiting pin. By extracting or injecting seawater in main floating pile and the auxiliary floating pile, gravity force is changed, buoyancy is used, the locking mechanisms are matched, and up-down moving and locking of the platform and the pile leg are achieved. Lifting is stable and continuous, locking is flexible, and damage is not easy.

The invention discloses batch-type amplitude-adjustable metal coiled material continuous chromatography color printing painting equipment. The batch-type amplitude-adjustable metal coiled material continuous chromatography color printing painting equipment comprises a printing device, an unwinding device is arranged at the left end of the printing device, and a winding device is arranged at the right end of the printing device; and a metal coiled material forms the adjustable winding degree between the unwinding device and the printing device and between the printing device and the winding device. According to the designed image-text pattern arrangement requirement, the surface of the metal coiled material is subject to continuous- multicolor-chromatography chromaticity printing.

The invention relates to a safety buckle used for a child automobile safety seat. The safety buckle comprises a left inserting piece, a right inserting piece, an upper cover, a lower cover, a button and a buckle core. Inserting hooks are arranged on the lower portion of the left inserting piece and the lower portion of the right inserting piece respectively, the inserting hooks are inserted into a cavity formed by correspondingly combining the upper cover and the lower cover, the inserting hooks and the buckle core in the cavity are in a corresponding inserted and locked state or a disengaged mode, and the button connected with the buckle core is arranged on the upper cover. An ejector block is used for elastically butting against the inserting pieces, swing block clamping shafts are elastically clamped into hook grooves, locking buckling and disengaging of the clamping shafts and the inserting pieces are constrained together, small-force buckling and large-force disengaging of the safety buckle are achieved, and the safety buckle is simple and compact in structure, smooth, convenient and fast to insert, stable and firm in locking, flexible in unbuckling, capable of effectively preventing a child from unbuckling the buckle by mistake and high in use safety.

The invention discloses a multifunctional pruner, which relates to a landscaping power machine for pruning shrub fences. The structure of the multifunctional pruner generally comprises a blade module, a shell, a connecting frame, a main handle, a sub handle and the like, wherein the connecting frame is rotationally connected to the shell in an axial direction at a fixed angle; and the main handle is rotationally connected to the connecting frame in a radial direction at a fixed angle; therefore, the whole multifunctional pruner has functions that fixed-angle axial rotation and fixed-angle radial rotation can be simultaneously achieved; after the two functions are combined with each other, various use states of the pruner can be formed; therefore, the improved pruner is convenient for use requirements in various working places; moreover, a fixed-angle rotating locking structure also has the advantages of flexibility for locking, reliability, safety and the like.

The invention discloses a PLC (Programmable Logic Controller) control and electric control comprehensive training system comprising a training element for training and being characterized by also comprising an operating surface, an operating platform as well as a host, a keyboard and a display of a computer, wherein the operating surface is vertically arranged and used for mounting the training element; the operating platform is provided with a horizontal table-board and used for supporting the operating surface; the host, the keyboard and the display of the computer are used for executing and monitoring a program; and the operating surface is provided with a power control panel, a PLC host module and a button indicator lamp module through retaining screws. The PLC control and electric control comprehensive training system has the beneficial effects of providing convenience for an operator to operate and being more comprehensively and deeply known by the operator. In addition, the training element of the system can be replaced according to the specific training content, and therefore, the system has extremely high universality and expandability and is simple and practical in structure. Meanwhile, the position of the system can also be flexibly adjusted and locked.

The invention relates to an upper guide plate frame fast exchanging device of a large caliber punch in the field of seamless pipe production device which includes the upper guide plate frame for fixing the upper guide plate; the upper guide plate is arranged in a guide frame arranged on a stander through the matching of a slide block; the side surface of the guide frame is provided with a lateral locking device; the front side and the back side of the upper guide frame are respectively and vertically provided with a cylinder supported on a balancing oil cylinder on the stander; the piston rod of the balancing oil cylinder is arranged at the lower end of the two sides of the upper guide plate frame; the two sides of the upper guide plate frame are provided with two guide slots; the guide slots are provided with a sliding locking frame in clearance fit; the back side of the sliding locking frame is provided with a sliding drive mechanism; a screw the lower end of which is butted on the upper end of the upper guide plate frame is arranged in the sliding locking frame; a nut is arranged outside the screw; a worm wheel is fixedly arranged outside the nut; the side surface of the worm wheel is engaged and provided with a worm which is horizontally arranged on the sliding locking frame; the worm and a locking motor are connected in a transmission way. The upper guide plate frame fast exchanging device of a large caliber meets the production demands for the seamless pipe with large scale and large group interval through quickly and entirely exchanging the upper guide plate frame.

The invention relates to the field of instruments, in particular to the field of medical instruments, and is a mechanical arm and a medical instrument. A mechanical arm includes a control valve, a hydraulic cylinder, a first arm, a second arm, and an accumulator. The control valve is respectively connected with the hydraulic cylinder and the accumulator. Two ends of the hydraulic cylinder are respectively connected in rotation with the first arm and the second arm, and the hydraulic cylinder can drive the second arm to rotate relative to the first arm. The oil pressure difference caused by the expansion and contraction of the piston rod of the hydraulic cylinder can be replenished and stored through the accumulator. A medical device includes the above-mentioned mechanical arm. The closing or opening of the hydraulic circuit formed by the hydraulic cylinder is controlled by the control valve, thereby controlling the rotation and locking of the second arm relative to the first arm. The entire hydraulic circuit also includes pressure measuring joints and oil circuit valve blocks. Thus, the flexible rotation and locking of the mechanical arm can be realized, and the operability is good and the maintenance is convenient.

The invention discloses a fixing device capable of replacing a stone panel and application thereof and belongs to fixing devices of outer wall stone slab decoration in construction. The fixing device comprises a steel frame composed of a vertical column and horizontal angle steel. A hanging piece fixing steel plate with a groove in the middle is fixedly arranged on the horizontal angle steel of the steel frame. The middle of the groove of the hanging piece fixing steel plate is connected and matched with a hanging piece plate, the head of the hanging piece plate is provided with a hook, and the side end of the hanging piece plate is provided with a groove. The surface of the side end of the hanging piece fixing steel plate is provided with a hanging piece locking block fastened through a screw, the head of the hanging piece locking block is provided with a locking device composed of concave forked openings which extend into the groove of the hanging piece plate, and the hanging piece fixing steel plate is fastened on the angle steel through a bolt. The hanging piece plate is fixed on the hanging piece fixing steel plate and fixedly locked through the hanging piece locking block, and the aims of flexible adjusting positioning and locking of the wall-surface stone slabs are achieved. The fixing device capable of replacing the stone panel is simple in structure, convenient to install and replace, firm and reliable to clamp and suitable for the requirements for replacement of part of stone slabs.

The invention provides an angle adjusting and locking device of a rotary plate. The device comprises a base, wherein a central hole is formed in the base; the rotary plate is arranged in the central hole of the base in a rotating way; a pin shaft base which is vertically arranged is arranged on the base adjacent to one side of the rotary plate, and one end of a screw rod is hinged with the pin shaft base; a bump which is arranged along the radial direction of the rotary plate in an extending way is fixedly arranged on the side wall of the rotary plate, a U-shaped slot with an opening facing the external end of the bump is arranged on the bump, the screw rod is arranged in the U-shaped slot in a penetrating way, and double nuts for fastening the bump are respectively formed on the screw rods at two sides of the bump; a corner oil cylinder for driving the rotary plate to rotate is connected to the side wall positioned at the other side of the rotary plate, the cylinder body of the corner oil cylinder is hinged to the base, and a piston rod of the corner oil cylinder is hinged to the side wall of the rotary plate; a displacement sensor is arranged on the corner oil cylinder. The device is compact in structure, reliable to be locked, flexible to adjust, simple and convenient to maintain; the rotation angle of the rotary plate is accurately controlled; the operation of adjusting a work angle of the rotary plate in an adjusting range can be satisfied.

The invention relates to a gate auto-locking device for large-sized hydropower stations or pumped storage power stations. The gate auto-locking device comprises a locking bar, a counterweight, a shaft, a shaft sleeve, and a locking support. The locking bar and the counterweight are fixed on the shaft sleeve. The shaft sleeve sleeves the shaft. The shaft is fixed on a concrete foundation through the locking base. A gate is provided with a locking slot matching with the gate auto-locking device; the locking slot is provided with a locking point at which the gate is locked and a free position at which the gate is unlocked.

The invention relates to a pin plugging device for separating pins, and the device comprises a transplanting mechanism, a sliding table mechanism, a clamping mechanism and a lifting mechanism. The lifting mechanism is disposed at the bottom of the whole device. The transplanting mechanism is disposed above the lifting mechanism, and the sliding table mechanism is disposed above the transplanting mechanism. The clamping mechanism is disposed above the sliding table mechanism. The device comprises the clamping mechanism which is used for the PIN separation of the pins on a PIN strip, and performs the staggered clamping of the PINs which are cut. The device is also provided with the transplanting mechanism, the sliding table mechanism and the lifting mechanism, and is provided with the clamping mechanism which can achieve the clamping and plugging of different PINs. The displacements in the three directions (X, Y and Z) are adjustable, so as to meet the plugging of pins at different spatial positions. The device is very practical for the plugging of pins at multiple PIN positions of the same type of products or a complex plastic part, can be suitable for different types of pin plugging machines, and represents the value and actual benefits.

The invention discloses a linear tool magazine clamping jaw. The linear tool magazine clamping jaw comprises a body connected with a tool magazine installation frame, wherein the body is provided with a U-shaped opening used for containing a tool handle, and stop pins used for limiting the tool handle in the opening are arranged at the left end and the right end of the opening; an inner wall of the opening is symmetrically provided with a left flange and a right flange which are used for being matched with an annular groove in an outer wall of the tool handle to axially limit the tool handle; a clamping plate used for being matched with a positioning groove in the tool handle to limit the tool handle in a circumferential direction is arranged in the opening; an inner wall of the left / right flange is composed of a left / right inner arc surface and a left / right inner inclined surface, and the inner wall of the opening where the left / right flange is located is composed of a left / right outer arc surface and a left / right outer inclined surface; and the stop pins are movably connected with the body through a fixing frame. According to the invention, a tool handle can be accurately positioned in a tool magazine, the tool handle can be firmly locked and flexibly loosened, the action is safe and reliable, strength is high, a structure is simple, manufacturability is good, machining is convenient, the manufacturing cost is low, the service life is long, and the problems that when a spindle loosens a tool, the tool handle is ejected out, a tool magazine clamping jaw is bent and deformed, and the tool handle and a machine tool are damaged are effectively solved.

The invention relates to a deposit book compaction device. The deposit book compaction device comprises a top plate, a compaction mechanism and a locking mechanism, wherein the top plate is connectedwith the compaction mechanism; the compaction mechanism is in contact with a deposit book; the locking mechanism is connected with the compaction mechanism; when the compaction mechanism moves upwardto an extreme position, the compaction mechanism and the top plate are locked through the locking mechanism. According to the deposit book compaction device provided by the invention, the top plate isfixed on an upper top surface of a deposit book storage box, and the pressing plate moves downward due to gravity to compact the deposit book; a retractable assembly is stretched along the movement of the pressing plate and the deposit book is compacted through the pressing plate, so that the deposit book is stored in a compacted manner and the deposit book is accurately taken out; when the deposit book is put, the pressing plate is raised and a retractable assembly is compressed; when the pressing plate moves to the uppermost end, the pressing plate and the top plate are locked through the locking mechanism, and the pressing plate does not automatically fall off, so that a worker can conveniently put the deposit book.

The invention discloses a resource locking method, a computing device and a computer storage medium. The method includes: for any task, determining resource information to be accessed by the task; obtaining a path corresponding to the resource according to the resource information to be accessed; querying Whether the number of sub-paths under the path in the coordination service system is less than the access restriction threshold, if so, record the current version information of the resource, generate the creation command and version update command for creating the sub-path corresponding to the resource and task in the coordination service system, and The creation command and version update command are submitted to the coordination service system, so that the coordination service system determines whether to execute the creation command and version update command according to the judgment result of whether the version conflicts; if the coordination service system successfully executes the creation command and version update command, then the task is The resource is locked successfully. Through the above method, any number of tasks can lock the resource, which improves the flexibility of locking the resource.

The invention relates to a hidden knob, a switch and a lockset. The hidden knob comprises a handle (1) and a rotating disc (2), the handle (1) is composed of a left handle body (11) and a right handle body (12) which can rotate towards the two sides respectively, the bottoms of the left handle body (11) and the right handle body (12) are fixed to the rotating disc (2), and the tops of the left handle body (11) and the right handle body (12) form a handle after being vertical. And the tops of the left handle body (11) and the right handle body (12) are overturned towards two sides and then attached to the rotating disc (2) to form a plane parallel to the rotating disc (2). And the knob is used for a switch or a lockset. Compared with the prior art, the hidden knob has the advantages of long service life, safety, reliability, wide application range and the like.

The invention relates to the technical field of electromechanical equipment, in particular to a gear locking device for replacement of a drill bit of electromechanical equipment, which comprises a fixed seat, a sliding groove is formed in the fixed seat, a conversion plate is slidably mounted in the sliding groove, a limiting groove is formed in the conversion plate, and a sliding seat is slidably mounted in the limiting groove; a sliding seat is arranged on the fixing seat, a reset spring and a clamping rod are fixedly connected to the sliding seat, a specification groove is formed in the conversion plate, an inserting groove is formed in the fixing seat, a positioning pin is slidably installed in the inserting groove, a rubber plug is fixedly installed on the positioning pin, a screw rod is in threaded connection with the fixing seat, and a rotating wheel is fixedly installed on the screw rod; the fixing base serves as a main body of the locking device and is fixed above the gear, the rotating wheel is rotated to drive the clamping rod to be inserted into a gap of the gear, locking and rotation prevention of the gear are carried out, the drill bit connecting part can be effectively prevented from loosening and slipping, and therefore the safety in the drill bit replacing process is guaranteed.

The embodiment of the invention relates to a clock synchronization method, a clock synchronization device and video processing equipment. The clock synchronization method comprises the following steps: receiving a reference clock signal; judging the type of the reference clock signal, and under the condition that the reference clock signal is judged to be an external clock signal, performing the following steps: receiving an output clock signal corresponding to a video source output interface; calculating a phase difference value and a phase difference trend of the output clock signal and the reference clock signal; and after judging that a preset adjustment condition is met currently according to the phase difference value and the phase difference trend, changing the clock frequency of an output clock signal corresponding to the video source output interface according to the phase difference to obtain a target clock signal. According to the embodiment of the invention, dynamic adjustment can be realized when the reference clock signal is the external clock signal.

A user authenticating apparatus in accordance with the present invention stores user information where identification information to identify each of a plurality of users and biometric information of each user are associated with each other, acquires identification information of the user, when the user starts to use a predetermined target, authenticates each user using the acquired identification information and the stored user information, as first authentication, stores the identification information of the user whose first authentication is succeeded as success information, acquires the biometric information of the user, and authenticates each user using the acquired biometric information and the biometric information corresponding to the identification information of the users stored as the success information among the stored biometric information, as second authentication.

The invention provides an automatic conveying device for an original and an image forming device having the same. The automatic original conveying device can effectively lock an original when the original is forgotten on a tray of a paper discharge part of the automatic original conveying device. The automatic original conveying device has an original tray, a conveying part and a paper discharge tray. Furthermore, the automatic original conveying device also comprises an original locking part and a control part, wherein the original locking part comprises an original covering component that covers an original on the paper discharge tray of the automatic original conveying device in a locking state, an original covering component storage part that stores the original covering component in an unlocking state, and an original covering component carrying part that conveys the original covering component; and the control part controls the original locking part when determining that an original is forgotten on the paper discharge tray of the automatic original conveying device so as to allow the original covering component to cover the forgotten original.

The invention discloses a screw locking torque detection mechanism, which comprises a moving seat, a shaft sleeve, a motor shell carrier, a turntable, a servo motor for measuring torque, a dynamic torque sensor, a transmission shaft for measuring torque and a positioning key control assembly, and is characterized in that the turntable is horizontally arranged on the moving seat, and the motor shell carrier is arranged on the turntable; the shaft sleeve is located below the motor shell carrier, the outer circle of the shaft sleeve is provided with a positioning key insertion hole extending to a middle hole in the radial direction, displacement control over the positioning key in the positioning key insertion hole is conducted through the positioning key control assembly, and the transmission shaft for measuring torque is arranged at the bottom of the shaft sleeve. The dynamic torsion sensor is connected in series between the transmission shaft for measuring the torque and the servo motor for measuring the torque. By means of the mode, the screw locking torque detection mechanism drives the motor shell to rotate intermittently and drives the motor middle shaft to rotate, torque detection is conducted, the structure is compact, and the working efficiency is high.

The invention discloses an external bronchial occluder and a tracheal catheter, comprising a bronchial occluder and a connecting mechanism for the occluded catheter. The blocking catheter connecting mechanism can temporarily lock the position of the rear section of the bronchial occluder, loosen the blocking catheter connecting mechanism, and can manipulate the tail of the bronchial occluding device to make the bronchial occluding device advance, retreat or rotate independently. The blocked catheter attachment mechanism temporarily locks a properly assembled endotracheal tube, releases the blocked catheter attachment mechanism, and maneuvers the blocked catheter attachment mechanism away from said endotracheal tube. The external bronchial occluder and tracheal catheter provided by the present invention can make full use of the space in the patient's trachea, reduce the occupancy of the bronchial occluder on the ventilation cavity of the tracheal catheter, reduce the airway pressure of one-lung ventilation, and can be used in patients with small airways. Safe implementation of one-lung ventilation. During one-lung ventilation, it is convenient to place a video endoscope through the tracheal tube ventilation cavity for airway observation and diagnosis. For patients with poor lung function, the bronchial blocker is removed after the operation, and the tracheal tube is retained, so that mechanical ventilation can continue. Assisted breathing.

The invention relates to an upper guide plate frame fast exchanging device of a large caliber punch in the field of seamless pipe production device which includes the upper guide plate frame for fixing the upper guide plate; the upper guide plate is arranged in a guide frame arranged on a stander through the matching of a slide block; the side surface of the guide frame is provided with a laterallocking device; the front side and the back side of the upper guide frame are respectively and vertically provided with a cylinder supported on a balancing oil cylinder on the stander; the piston rodof the balancing oil cylinder is arranged at the lower end of the two sides of the upper guide plate frame; the two sides of the upper guide plate frame are provided with two guide slots; the guide slots are provided with a sliding locking frame in clearance fit; the back side of the sliding locking frame is provided with a sliding drive mechanism; a screw the lower end of which is butted on the upper end of the upper guide plate frame is arranged in the sliding locking frame; a nut is arranged outside the screw; a worm wheel is fixedly arranged outside the nut; the side surface of the worm wheel is engaged and provided with a worm which is horizontally arranged on the sliding locking frame; the worm and a locking motor are connected in a transmission way. The upper guide plate frame fastexchanging device of a large caliber meets the production demands for the seamless pipe with large scale and large group interval through quickly and entirely exchanging the upper guide plate frame.

The invention discloses an intensive wavelength division multiplexer capable of arranging and carding wiring; the multiplexer comprises a wavelength division multiplexer body and fixing nuts, an arrangement frame is arranged on the front side of the wavelength division multiplexer body in an attached mode, a sliding groove is formed in the rear end of the arrangement frame, and a movable plate penetrates through the interior of the sliding groove. A through hole is formed in the movable plate, a positioning groove is formed in the rear side of the front end of the wavelength division multiplexer body, a threaded rod penetrates through the middle of an arrangement frame, a mounting groove is formed in the arrangement frame, fixing nuts are in threaded connection to the left end and the right end of the threaded rod, and main adjusting blocks are connected to the upper side and the lower side of the threaded rod in a welded mode. And the middle part of the mounting groove is connected with an arrangement groove. According to the intensive wavelength division multiplexer capable of arranging and carding wiring, a locking frame is controlled to move, the locking frame can be rotated smoothly, the angle position of the locking frame can be adjusted, a movable plate is pushed, the distribution frame can be moved smoothly, and the distribution lines penetrating through the distribution groove are carded smoothly through the distribution frame.

The invention relates to a natural gas measuring instrument based on the internet of things. The instrument comprises a main body, a connecting pipe, a card reading mechanism and a central control mechanism, wherein the card reading mechanism comprises a card reader and a locking mechanism; the locking mechanism comprises a locking frame, a locking component and an unlocking component; a locking unit comprises a spring, a push plate, a push rod, a locking door frame and a hinge pin; the unlocking unit comprises an operation block, a first connecting rod and a second connecting rod; and a working power module comprises a working power circuit. In the natural gas measuring instrument based on the internet of things, a radio frequency card can be preserved reliably and hermetically by the locking mechanism; meanwhile, by the unlocking component, flexible unlocking of the radio frequency card is realized, so that the practicability of a detecting instrument is improved; moreover, in the working power circuit, the stable output of supply voltage can be realized through the feedback collection of input voltage and output voltage, which is performed by the integrated circuit; and the working stability and reliability of the detecting instrument is improved.

The invention provides a smart type luggage. A control circuit board is used for acquiring locking and unlocking commands in a wireless manner from mobile equipment, so as to lock and unlock a coded lock and realize the flexible locking and unlocking of the luggage; in addition, a sensing device is used for monitoring whether articles exist in the luggage, if not, the control circuit board sends information on article loss to the mobile equipment, so as to well master the situation of precious articles; in addition, a tiny current circuit is used for generating tiny current surrounding the periphery of a luggage case, so as to monitor whether the luggage is forcibly prized up, if so, the control circuit board sends information on forcible prizing-up of the luggage to the mobile equipment, thus being convenient for a user to master the status of the luggage through mobile terminals of including a mobile phone and the like. According to the smart type luggage, the articles can be stored more safely, and a luggage owner is more assured.