38results about How to "Avoid substitution" patented technology

The invention provides a trademark identification method and system based on an anti-counterfeiting code, and relates to the technical field of anti-counterfeiting identification, and the method comprises the steps: obtaining a to-be-identified trademark image, carrying out the preprocessing, generating a corresponding anti-counterfeiting code through employing an anti-counterfeiting code generation algorithm based on chaotic encryption, and embedding the generated anti-counterfeiting code into a standard trademark image, obtaining a trademark image carrying an anti-counterfeiting code, and carrying out code positioning on the trademark image to obtain a standardized anti-counterfeiting code image; decoding the standardized anti-counterfeiting code image to obtain an original bit stream of the anti-counterfeiting code, and verifying the validity of the original bit stream through Hash verification to obtain an anti-counterfeiting code verification result; and judging the authenticity confidence coefficient of the to-be-identified trademark image by using a pre-trained trademark authenticity judgment model, and outputting a final trademark identification result based on the anti-counterfeiting code verification result and the authenticity confidence coefficient of the to-be-identified trademark image in combination with a pre-acquired multi-source heterogeneous trademark identification evidence.

The invention relates to the technical field of data processing, in particular to a process state detection method for a hand-painted nano-coating canvas preparation process, which comprises the following steps: acquiring humidity data of different positions in a canvas drying process, denoising the humidity data by using an improved IDR (Inverse Domain Register) algorithm, and calculating a process state of the hand-painted nano-coating canvas preparation process; and when the de-noised humidity data of all the positions are all lower than a preset humidity threshold value within the continuous preset duration, it is judged that the drying procedure is completed. Wherein the process of obtaining the denoised humidity data in the improved IDR algorithm is as follows: obtaining a difference value sequence of noise expression of a corresponding data point in a humidity data sequence at any position in a sampling time period and a comparison sequence, and executing the process of iteratively updating the data by the IDR algorithm based on the difference value sequence until a preset convergence condition is met. And obtaining a de-noised humidity data sequence of the position. The accuracy of canvas process state detection can be improved.

The invention discloses an artwork repair management method based on LBS (Location Based Service), and relates to the field of artwork repair management. The equipment with the LBS records events in the process of repairing the artwork by the repairing personnel, forms artwork repairing data with LBS information, uploads the artwork repairing data to the server, and updates the artwork repairing data to a data set generated by each repairing scene of the artwork; before and / or after restoration, special acquisition equipment or equipment with LBS (Location Based Service) acquires the artwork to form artwork feature data, uploads the artwork feature data to a server, and updates the artwork feature data to a data set generated by each restoration scene of the artwork. According to the method, unified process records are formed by using a digital tool, association of space-time and field environment data is established with the process records, an artwork management data basis based on LBS is constructed, multi-dimensional internet-of-things data is archived and comprehensively presented, the authenticity of the space-time and field environment is objectively reflected, and once a problem is found, the problem is solved. And traceability and relief can be carried out through process records.

The invention discloses a pedal structure, and aims to provide a pedal structure capable of improving riding convenience. The pedal comprises a pedal body, a shell is fixed to the bottom face of the pedal body, a connecting shaft and a balancing weight are installed on the shell, the connecting shaft is rotationally connected with the shell, the connecting shaft is arranged between the pedal body and the balancing weight, and a plane formed by the gravity center of the balancing weight and the center line of the connecting shaft is perpendicular to the pedal body. The connecting shaft and the balancing weight are detachably connected with the shell. The bicycle has the beneficial effects that the riding convenience is improved; the riding safety is improved; the structure is designed in a unitized mode, parts are simple and easy to machine, when parts at a certain part are damaged, the parts can be independently disassembled and replaced, overall disassembly and replacement are avoided, and the maintenance cost is greatly reduced. The structure is simple, operation is convenient, and assembling efficiency is high; the friction loss is reduced, the rotation smoothness is improved, and meanwhile the positioning and damping effects are achieved.

The present invention discloses a configuration method and device for a virtual game scene, a storage medium, and an electronic device. The method includes: displaying a virtual game scene of a current game, and displaying a target selection list in response to a target interaction operation obtained in a first area, wherein the virtual game scene includes a first area, the first area is located inside or outside the target game area, and allows the acquisition of a first account to perform a target interaction operation, and the target selection list includes a group of virtual decorations, and the virtual decorations in the group of virtual decorations are virtual decorations that are allowed to be added to the virtual game scene for display, and when the first virtual decoration in the group of virtual decorations is selected, the first virtual decoration is displayed in the first area and the second area. The present invention solves the technical problem that the virtual game scene replacement method existing in the related art is relatively single and cannot realize personalized settings.

The application relates to the technical field of power transformer state monitoring and transient analysis, and discloses a high-impedance transformer residual magnetism evaluation system based on switching-on and switching-off phase correlation. The system obtains recording wave data of the same switching-off event, forms a three-phase main loop state sequence and an electrical disconnection boundary; a segmented circuit model is established for each state sequence, and a three-phase winding induced voltage sequence is obtained; bidirectional magnetic flux integration is performed based on stable operation data before switching-off and data kept after three-phase isolation, and a magnetic flux trajectory is formed; each state sequence is reviewed by using a verification sampling point, and corresponding three-phase residual magnetism ranges and switching-off phase ranges are output. The application is suitable for residual magnetism evaluation under the condition of switching-off transient circuit topology change.

The embodiment of the invention provides a method for monitoring and managing the state of a bottle body which is placed in a packaging box and filled with liquid, the packaging box and a system for monitoring and managing the state of the bottle body which is placed in the packaging box and filled with liquid. The bottle body state monitoring management method comprises the following steps: obtaining state data of a bottle body in real time or at regular time, wherein the state data comprises liquid level data; and outputting a state evaluation result of the bottle body according to the obtained liquid level data of the bottle body. According to the embodiment of the invention, the state data and the state evaluation result of the bottle body can be provided for the user in real time through real-time state monitoring, and the problems of the wine commodity in the circulation process of storage, transportation and the like can be found and solved in time according to the data, so that the wine commodity can be kept in the optimal state in each link.

The utility model relates to the technical field of food packaging bags, and discloses a food packaging bag with a thermal developing anti-counterfeiting function, which comprises a main bag, a U-shaped ring is fixedly mounted on the outer side of the main bag, a hinge block is fixedly mounted on the outer side of the top end of the U-shaped ring, and the hinge block is fixedly mounted on the outer side of the top end of the main bag. A pull ring is hinged to the inner side of the hinge block, a top bag is fixedly installed at the top of the main bag, and a zipper body is arranged in the center of the top bag. According to the food packaging bag with the thermal developing anti-counterfeiting function, in order to better carry out anti-counterfeiting and protection on articles in the food packaging bag body, the anti-counterfeiting assembly is arranged, after the articles are contained in the main bag and the top bag, the zipper body is closed in cooperation with a zipper head and a zipper ring, and the zipper ring and a connecting rod are combined into a whole in cooperation with a threaded rod; and then the anti-counterfeiting code sticker is pasted, and the fixing block is fixed, so that articles in the food packaging bag body can be better prevented from being replaced, and anti-counterfeiting verification can be carried out.

The invention discloses a composite exhaust muffler, belonging to the technical field of industrial air conditioning, comprising a muffler steam guide cavity, an exhaust muffler shell installed at the bottom of the muffler steam guide cavity, six muffler external steam guide ports installed on the side of the exhaust muffler shell, and a base fixedly installed at the bottom of the exhaust muffler shell by screws, and six muffler components are installed inside the exhaust muffler shell. It can realize the functions of filtering, silencing and exhausting steam in the exhaust process of the equipment, effectively avoid the pollution of solid impurities to the air, effectively reduce the silencing cost of the equipment, avoid the long-term accumulation of solid impurities inside the muffler, and ensure the lasting and effective silencing effect of the device.

The present invention relates to the field of data processing technology, and more specifically, the present invention relates to a process status detection method for a hand-painted nano-coated canvas preparation process, the method comprising: obtaining humidity data at different positions during the canvas drying process, denoising the humidity data using an improved IDR algorithm, and when the denoised humidity data at all positions are lower than a preset humidity threshold for a continuous preset time, it is determined that the drying process is completed. Among them, the process of obtaining denoised humidity data in the improved IDR algorithm is: obtaining a difference sequence of the humidity data sequence at any position within the sampling period and the noise performance of the corresponding data point in the comparison sequence, and executing the IDR algorithm based on the difference sequence to iteratively update the data process until the preset convergence condition is met, and the denoised humidity data sequence at the position is obtained. The present invention can improve the accuracy of canvas process status detection.

An intelligent blood collection tube inspection box comprises a box body, an upper cover is arranged on the box body, a box cover is arranged on the upper cover, an inner container is arranged in the box body, a heat preservation layer is arranged between the inner container and the box body, an inner cover is arranged in the upper cover and located above the inner container, and one side of the inner cover is rotationally connected with the upper cover through a rotating shaft. The other side of the inner cover is connected with the upper cover through a lockset, a blood collection tube feeding opening is formed in the inner cover, and downward anti-theft pieces are evenly distributed on the inner wall of the feeding opening. The inner cover is provided with the feeding opening for the blood collection tubes, the downward anti-theft pieces are evenly distributed on the inner wall of the feeding opening, lawbreakers can be prevented from stealing and replacing the blood collection tubes in the inner container from the feeding opening, and the anti-theft capacity is good; secondly, the temperature of the heat preservation layer, the inner container and the blood collection tubes in the inner container is kept constant through the refrigeration chip, the cooling fins and the fan, information of a blood collector is input through the infrared scanner, blood collection information input is convenient, multiple functions are achieved, and use is convenient.

This invention discloses a method for confirming ownership of physical assets in a supply chain and hedging financing risks based on dynamic graphic codes, belonging to the field of supply chain finance technology. The invention includes: physically demarcating the financing target through a one-time destructive encapsulation and attaching a first identification code to its outer layer; dynamically generating and updating the first identification code based on the spatiotemporal and physical attributes of the financing target; the funding party scanning the first identification code to confirm the authenticity of the asset by comparing physical integrity and data consistency; when a preset risk condition is triggered, the funding party generates a second identification code that is logically mutually exclusive with the first identification code, used to prove to a third party that the rights and interests of the target asset have been locked or transferred. This invention eliminates the need for high-cost IoT sensors, achieving movable asset ownership confirmation and financing risk hedging through low-cost physical encapsulation and dynamic graphic codes, and has the advantages of simple implementation, high reliability, and ease of promotion.

The invention is suitable for the technical field of vehicle calibration, and provides a vehicle calibration system and method, electronic equipment and a computer readable storage medium, and the system comprises a target adjusting device, a target display device which can be fixed on the target adjusting device, a calibration device which is in communication connection with the target display device, a calibration device, and a display device which is in communication connection with the calibration device. The distance measuring device can be fixed on the target adjusting device, and the target display device is used for displaying the vehicle calibration target corresponding to the vehicle sent by the calibration device; the distance measuring device is used for measuring the distance between the target display device and the calibration device; the target adjusting device is used for adjusting the height and / or angle of the target display device; and the calibration device is used for calibrating the auxiliary driving system of the vehicle according to the vehicle calibration target corresponding to the vehicle. The problem that the calibration efficiency of the auxiliary driving system of the vehicle is low can be solved.

The utility model relates to the technical field of food raw material feeding, and discloses a food raw material feeding device. The food raw material feeding device comprises a storage assembly, a conveying and feeding assembly is installed at the lower end of the storage assembly, an auger is installed in the conveying and feeding assembly, a discharging opening is formed in the lower end of the auger, a weighing sensor is installed at the rear end of the discharging opening, and a frequency converter is installed at the upper end of the weighing sensor; a reader is installed at the upper end of the frequency converter, a control assembly is installed on the right side of the conveying and putting assembly, a PLC is installed at the lower end of the control assembly, an alarm is installed on the right side of the PLC, a storage structure is installed at the lower end of the alarm, and a signal transmitter is installed on the right side of the storage structure. The problems that a butterfly valve is installed at the bottom of a traditional large material tank, the flow speed of large materials is controlled by manually controlling the opening degree of the butterfly valve, the follow-up weighing error is large, and the whole device cannot be continuously used are effectively solved.

The invention discloses an intelligent lead seal issuing device and system, and the device comprises a lead seal issuing box, and the front surface of the lead seal issuing box is provided with a material distribution port which is used for moving a lead seal out of the lead seal issuing box; the automatic lead seal discharging assembly is arranged in the lead seal distribution box, and the automatic lead seal discharging assembly is used for automatically distributing the lead seals stored in the lead seal distribution box; and the intelligent self-service piece is arranged on the front face of the lead seal distribution box. A driver obtains information such as the number of lead seals by reading an RFID card, important links in the transportation process are completed through automatic issuing and sealing of equipment, anti-fake lead seals are subjected to double verification through bar codes and lead seal textures, the safety of cargo transportation is guaranteed, two-dimensional codes of the anti-fake lead seals are bound with the identity of the driver, the vehicle and operation information, and the anti-fake lead seals are safe and reliable. The problem that a traditional lead seal is poor in traceability is solved, the problem can be quickly found out once appearing, and goods are prevented from being replaced midway.

The utility model discloses a replaceable washing and protecting bottle which comprises an outer bottle body. The outer bottle body is cylindrical, and a spiral guide groove is formed in the inner wall of the outer bottle body. The rotating seat is rotationally arranged at the bottom of the outer bottle body and is provided with an extension part extending into the outer bottle body, and the extension part is provided with a guide channel extending in the axial direction of the outer bottle body; a positioning groove is formed in the top of the movable seat, a protruding part is arranged on the outer wall of the movable seat, and the protruding part penetrates through the guide channel and extends into the spiral guide groove; the inner bottle body is elastically clamped in the positioning groove, a pump head is arranged at the top of the inner bottle body, and a pressing head of the pump head is driven to extend out of or retract into the outer bottle body through forward and reverse rotation of the rotating seat. According to the replaceable washing and protecting bottle, the inner bottle body can be driven to ascend and descend through rotation of the rotating base, when the replaceable washing and protecting bottle needs to be used, the pressing head of the pump head can stretch out of the opening of the outer bottle body so that the pump head can be extruded to extrude content liquid, and the pressing head of the pump head can be retracted into the opening of the outer bottle body during transportation; content liquid is prevented from being squeezed out due to mistaken pressing in the transportation process, the inner bottle body can be taken out for replacement after the content liquid in the inner bottle body is used up, the outer bottle body does not need to be replaced, and the use cost is saved.

The invention provides a button sensing device and method, and the device comprises at least one sensor which is disposed at a first position relative to a button, and forms an inclination angle with a plane where the button is located; the system module is electrically connected with the at least one sensor so as to receive sensing information of the at least one sensor and send a control signal according to the sensing information; and the controller is used for receiving a control signal and triggering the button according to the control signal.

This application relates to the field of information technology, specifically to a method and system for instruction approval binding and consistency verification oriented towards agents. The method includes the following steps: receiving an instruction execution request submitted by an agent; parsing the instruction execution request to obtain structured execution elements; generating an approval binding record based on the structured execution elements and sending an approval request corresponding to the approval binding record to the approval end; after the approval request is approved but before the actual execution of the instruction, re-parsing the instruction to be executed to obtain the current execution elements; performing consistency verification between the current execution elements and the structured execution elements in the approval binding record; executing the instruction when the consistency verification passes, and rejecting execution, re-initiating the approval process, or requiring manual review when the consistency verification fails.

The invention discloses a skin changing method, system and device for an application program, a storage medium and electronic equipment, and the method comprises the steps: receiving an interface display instruction, and determining whether theme color configuration information of the application program is locally stored or not; under the condition that the theme color configuration information is locally stored, on the basis of the theme color configuration information, updating the color in the target interface requested to be displayed by the interface display instruction; and displaying the target interface after the color is updated. Since the color of the target interface is directly updated by adopting the locally stored theme color configuration information, the speed of updating the color of the target interface by utilizing the theme color configuration information is high, the situation that the whole target interface is replaced by re-downloading a skin file is avoided, the flow and the downloading time are saved, and the user experience is improved. Meanwhile, the effect can be taken after the color of the target interface is updated, restarting of the application program is avoided, and therefore the skin changing efficiency is improved.

The utility model provides a paper protection shell for being used in clamping type package, contain a paper card body. Paper card body contains an intermediate block, two long edge blocks and two short edge blocks, two long edge blocks and two short edge blocks are integrally connected with intermediate block respectively. Two long edge blocks have a first box wall part and a first clamping part connected with the first box wall part respectively. Two short edge blocks have a second box wall part and a second clamping part connected with the second box wall part respectively. Each first clamping part has a first buckling angle, and each second clamping part has a second buckling angle, the first buckling angle and the second buckling angle each have an angle matched with each other. Therefore, the whole package can be recycled, and the product is not easy to be stolen or replaced during transportation.

The invention discloses a fuel collection and preparation whole-process information security management and control system based on dynamic authority and physical isolation. The system comprises a central management and control platform, a security isolation gatekeeper, a field operation terminal and a physical execution unit. The platform generates a dynamic authorization instruction based on the four-dimensional feature model, and unidirectionally transmits the dynamic authorization instruction to the terminal after passing through a gatekeeper stripping protocol; the terminal verifies the timeliness of the instruction and the validity of the spatial features, and sends a driving signal to the physical equipment in combination with the identity information of the operator; physical equipment adopts an electromechanical locking and composite authentication mechanism, and can be unlocked only by receiving a driving signal and an entity identity certificate at the same time. According to the method, a network attack path is isolated and cut off through a protocol, and man-machine refined management and control are realized by utilizing a dynamic permission and physical interlocking mechanism, so that data counterfeiting and violation intervention in a fuel collection and preparation process are effectively prevented.

The invention belongs to the technical field of U-shaped pipes, and particularly relates to a U-shaped pipe punch which comprises a punch body, a U-shaped mounting groove is formed in the punch body, a U-shaped pipe contact piece is mounted in the U-shaped mounting groove, the U-shaped pipe contact piece is connected with the punch body through a connecting assembly, a U-shaped groove matched with a U-shaped pipe is formed in the U-shaped pipe contact piece, and the U-shaped pipe contact piece is connected with the punch body through the connecting assembly. According to the U-shaped pipe punch, the part, making contact with the U-shaped pipe, of the U-shaped pipe punch is separated to form the U-shaped pipe contact piece, the worn part of the U-shaped pipe punch can be replaced by replacing the U-shaped pipe contact piece, overall replacement of the U-shaped pipe punch is avoided, U-shaped pipe contact pieces suitable for other U-shaped pipe diameters can be replaced, and therefore the U-shaped pipe punch can be used conveniently; the U-shaped pipe contact piece is positioned and fixed through the positioning clamping groove and the positioning clamping block, the U-shaped pipe contact piece is convenient to disassemble and assemble, the position of the positioning clamping block is stabilized in cooperation with the locking assembly, and the stability of the U-shaped pipe contact piece during installation is guaranteed.

The utility model provides an efficient energy-saving acrylic acid pressure-sensitive adhesive packaging device which comprises a polymerization kettle and a three-way valve, a first filter, a material pump and a second filter are arranged between the polymerization kettle and the three-way valve, the polymerization kettle, the first filter, the material pump, the second filter and the three-way valve are communicated in sequence, and a discharging pipe is installed at the lower end of the polymerization kettle. One side of the discharging pipe is connected with a first filter through a first relay pipe, one side of the first relay pipe is provided with a nitrogen pipeline, the nitrogen pipeline is communicated with the discharging pipe, the three-way valve is provided with three groups of ports, one group of ports are connected with a feeding port of the polymerization kettle through a circulating pipeline, and the other group of ports are connected with a discharging port of the polymerization kettle through a circulating pipeline. According to the nitrogen purging device, the nitrogen purging position is transformed, so that the nitrogen purging device is communicated with the discharging pipe of the polymerization kettle, and the nitrogen purging device can be closer to the bottom of the polymerization kettle during nitrogen purging, so that the efficiency is improved, and the potential safety hazard is reduced.

The invention discloses a split type static pressure plane type air bearing and a static pressure air floating motion platform, and belongs to the technical field of air bearings, the split type static pressure plane type air bearing comprises a universal base and a bearing piece, and the universal base is provided with a first air inlet used for inputting air; the bearing piece is detachably connected with the universal base, and a throttling hole is formed in the end face of the side, back on to the universal base, of the bearing piece. The throttling hole communicates with the first air inlet through an air channel between the universal base and the bearing piece. The bearing plate sprays gas through the throttling holes so that a gas film can be formed on the end face of the side back to the universal base. According to the split type static pressure plane type air bearing, the problems that an existing air bearing can only be integrally replaced and scrapped when breaking down, and a single air bearing cannot meet various requirements at the same time are solved, and the effects of reducing the use cost and improving the general applicability are achieved.

The utility model discloses a road surface gravel cleaning device, and relates to the technical field of road and bridge maintenance. The road surface gravel cleaning device comprises a collecting vehicle, a push rod is fixedly connected to the outer wall of one side of the collecting vehicle, moving wheels are fixedly connected to the outer wall of the bottom of the collecting vehicle, a shovel plate is fixedly connected to the bottom of the inner wall of the collecting vehicle, and a mounting plate is fixedly connected to the outer wall of one side of the collecting vehicle; a first sweeping mechanism and a second sweeping mechanism are arranged between the outer walls of the two mounting plates. Gravel can be effectively shoveled through the shoveling plate, the gravels on the road surface can be efficiently collected into the collecting vehicle in cooperation with the first sweeping mechanism and the second sweeping mechanism, the crushing rollers are arranged in the crushing box and can efficiently crush the gravels, the gravels can be crushed into finer particles through meshing of the two crushing rollers, and the gravels can be effectively collected through the shoveling plate. And through the arrangement of the crushing device, the collection amount of the collection box is increased, frequent cleaning and replacement of the collection box are avoided, and the working efficiency is improved.

The application provides a verifiable resale attribution and dispute resolution method and system for fine-grained structured data transactions. In the sales stage, a unified data processing specification is established through public universe and three-state normalization processing, different buyers are allocated different column views and bit map bindings are generated, the normalized data is embedded, locally sensitive hash is discretized and minimum hash digest is generated, the buyer binding receipt leaf is organized into an authentication data structure, and the root digest is anchored to the alliance chain smart contract. In the resale stage, the sampling position is determined by the on-chain unpredictable random seed, the authentication path verification and normalization recalculation are executed by the independent committee node to confirm the authenticity of the resale object. In the dispute stage, the suspicious sample is extracted and the disclosure digest is confirmed by the committee threshold, and the dispute object is locked. The proving party generates zero-knowledge proof to compare the coincidence count between the candidate buyer digest and the disclosure digest, and outputs the accusation, exclusion or retention judgment three-state ruling result according to the preset accusation threshold and exclusion threshold. Without disclosing the plaintext delivery data, the application provides a verifiable object authenticity verification channel for legal resale, and a privacy protection attribution mechanism based on similarity detection and double threshold ruling for illegal resale or data leakage.

The invention discloses an optimization method for a cab swing arm guide mechanism based on an equivalent stiffness theory. The method establishes a three-dimensional model of a cab suspension system, and establishes a corresponding simulation model according to the established three-dimensional model; establishes an equivalent stiffness simulation analysis system for the cab suspension system according to the established simulation model, and obtains the equivalent stiffness of the cab suspension system by simulation; analyzes the main structures that affect the equivalent stiffness due to the additional stiffness obtained according to the obtained equivalent stiffness, and selects a swing arm guide mechanism that reduces the deflection amplitude as an optimized design structure; comprehensively analyzes the structural parameters of the guide swing arm in the swing arm guide mechanism, uses a design variable screening method to sort the importance of the influence of each parameter on the equivalent stiffness, and plans the horizontal interval of each design variable based on the sorting result; establishes an equivalent stiffness simulation approximate model through an approximate model construction method to replace the original complex simulation model of the commercial vehicle cab suspension system; uses the residual sum of squares of the equivalent stiffness obtained by simulation of the approximate model and the design stiffness as an evaluation index, and uses a non-sequential quadratic programming algorithm to optimize and analyze the swing arm guide mechanism.

The present invention relates to a data access method and related equipment based on a multi-node zero-trust gateway, belonging to the field of network security technology, in which the zero-trust gateway carries a gateway LAN address and an Internet address in a registration message, so that the zero-trust controller groups the zero-trust gateways based on the same Internet address, and searches and selects the gateway LAN address of the same group according to the Internet address of the zero-trust client in the SPA authentication request message and the pre-grouping relationship, so as to determine the target gateway LAN address to be allocated to the zero-trust client, so that the zero-trust client can achieve nearby access. Therefore, the zero-trust controller automatically groups the zero-trust gateways through the registration message of the received zero-trust gateway, and automatically searches for the zero-trust gateway group through the Internet address of the zero-trust client SPA authentication request message, thereby avoiding manual maintenance of the zero-trust gateway and the client, and dynamically adapting to the replacement and migration of the gateway.

The utility model relates to a disposable tearing label, which comprises a first mounting piece, a second mounting piece, a third mounting piece and a fourth mounting piece, opposite second hooking parts are arranged on the inner side surface of the second mounting piece; the second mounting piece comprises a ridge part, and the two sides of the ridge part are connected with the corresponding sheet bodies through tearing points; the second hooking parts are arranged on different sheet bodies; when the first hook buckle part and the second hook buckle part are matched, the first installation piece and the second installation piece are oppositely arranged and connected in a buckled mode, and the disposable tearing label is in a first connected state. The tearing point is damaged, the sheet body and the ridge part are separated, and the disposable tearing label is switched from the first state to a second state in which the ridge part of the first installation part and the ridge part of the second installation part are separated; the label can be connected with clothes, handbags or shoes, if the goods need to be used normally, the label needs to be damaged conveniently, and otherwise only try-on can be achieved; in this way, use traces of the goods can be reduced, and replacement of the goods can be avoided.

The utility model relates to the technical field of motor assemblies, and discloses a motor iron core, which comprises a motor iron core main body, a convenient splitting mechanism is arranged on the side surface of the motor iron core main body, heat dissipation mechanisms are arranged at the top and the bottom of the motor iron core main body, and the convenient splitting mechanism comprises a connecting ring piece. And the connecting ring piece is fixedly connected to the side surface of the motor iron core main body. According to the utility model, through the design of the long pin rod, the long pin rod can be connected in series in the inner cavity of the connecting ring piece to connect a plurality of motor iron core main bodies, and through the design of the inserting square cylinder, the hollow limiting block and the manual valve pipe, the long pin rod can be inserted into the square groove in the back surface of the long pin rod to limit the long pin rod; when the motor iron core main body is damaged, a user pulls out the long pin rod from the interiors of the connecting ring pieces, then the motor iron core main body is split, and the damaged motor iron core main body can be replaced, so that the problem that the whole structure needs to be replaced when the motor iron core main body is damaged is solved, and the maintenance cost of the structure is reduced.