13results about How to "Prevent unlocking" patented technology

This utility model relates to a quick-unlocking fastener, providing a pull-type quick-release fastener, including a first fastener and a second fastener. Each fastener has mutually attractive magnets, allowing them to automatically lock together under magnetic attraction, which is quite convenient. Hooks and grooves on each fastener form a hook-and-loop fastening part, preventing unlocking by external force and ensuring a secure lock. Support blocks and transverse fastening grooves on each fastener form a support reinforcement part, allowing simultaneous stress on both sides when subjected to lateral tension, meeting high load requirements. Unlocking hooks and grooves within each fastener form an unlocking traction part, allowing for quick release by pulling the unlocking hook from any angle, satisfying the rapid unlocking needs when multiple fasteners are used together.

The intelligent lock hole cover comprises a lock hole cover body and a user key, the lock hole cover body comprises a lock seat capable of being fixed to a door lock hole and a blocking cover rotationally connected to the lock seat, the lock seat is provided with a lock hole aligned to the door lock hole, and the blocking cover is provided with a through hole capable of rotating along with the blocking cover to be aligned to and staggered from the lock hole. An electronic locking assembly used for locking the blocking cover to limit rotation of the blocking cover is arranged between the blocking cover and the lock seat, the electronic locking assembly is electrically connected with a first circuit board and a first contact, and a power source assembly, a second circuit board and a second contact which are electrically connected with one another are arranged in the user key. The second contact can be in butt joint with the first contact. When the second contact and the first contact are in butt joint, the user key supplies power to the electronic locking assembly and communicates with the electronic locking assembly through the second contact and the first contact, and therefore the blocking cover is unlocked. The system has the advantages of being more intelligent, safer and more convenient.

The utility model relates to a big tonnage semitrailer towing seat, the utility model effectively solves the problem that the existing towing seat is inconvenient to guarantee the firmness of the towing part, and the durability is not high. The big tonnage semitrailer towing seat is designed to be accurately matched with the specification of the towing pin through the setting of the lock ring mechanism, the adjusting mechanism and the cross bolt mechanism, ensures close connection, reduces the shaking and loosening in driving, improves stability and safety, each structure is mutually assembled and is composed, is convenient for maintaining and replacing the wearing parts, guarantees continuous stable operation, is equipped with the lock ring mechanism and the adjusting mechanism that are simple and firm to operate, the lock ring mechanism is clamped after the towing pin, can be fixed locking to the lock ring mechanism through the adjusting mechanism, thereby the towing seat can effectively prevent unlocking caused by vibration or impact, and the cross bolt mechanism can further ensure the firmness of the connecting part, and is more convenient for use when towing the big tonnage semitrailer.

This application provides a vehicle lock control method, system, computer storage medium, and automobile. The vehicle includes a lock control system. The method includes: determining whether the vehicle is in emergency power mode; receiving a vehicle control command sent by an electronic key, wherein the vehicle control command includes an unlock command and a lock command, and the unlock command and lock command are sent by the electronic key using the same button; when the vehicle is in emergency power mode, the lock control system recognizes the vehicle control command as an unlock command and unlocks the vehicle. In the case of unlocking the door in emergency power mode, if the unlocking and locking functions of the electronic key are located on the same button, the command sent by that button can be recognized as an unlock command to unlock the vehicle and unlock other functions of the vehicle, avoiding the problem that the electronic key cannot send an unlock command when unlocking the door in emergency power mode.

This utility model discloses an anti-accidental contact disassembly connector and connector assembly. The anti-accidental contact disassembly connector is used to connect and lock photographic equipment. The anti-accidental contact disassembly connector includes: a housing with a sliding cavity inside, and a plug-in part for plugging into the photographic equipment at one end along its axial direction. A locking tongue structure passes through the side wall of the plug-in part; an inner shaft slidably disposed in the sliding cavity, which can be moved to tighten or loosen the locking tongue structure; a main unlocking mechanism movably disposed through the side wall of the housing for pressing the inner shaft to move and loosen the locking tongue structure; and a safety lock mechanism, including: a release mechanism movably disposed through the side wall of the housing and spaced apart from the main unlocking mechanism; and a movement limiting structure configured to: prevent the inner shaft from moving when not driven by the release mechanism; and allow the inner shaft to move when driven by the release mechanism. This utility model's anti-accidental contact disassembly connector reduces the risk of accidental locking by setting an independent main unlocking mechanism and configuring a safety lock mechanism to form a double-button unlocking mechanism.

This utility model discloses a snap-fit ​​structure for an instrument circuit board, belonging to the field of instrument technology. It includes a mounting bracket and an additional circuit board movably connected to the mounting bracket. A fixing post is fixed inside the mounting bracket. Two snap-fits for fixing the additional circuit board are movably connected to the outside of the fixing post. Two fixing springs for supporting the snap-fits are sleeved on the outside of the fixing post. A connecting bracket is fixed to one outer wall of each snap-fit. A through hole is formed on the surface of the mounting bracket, and a fixing sleeve is inserted into the through hole. A movable hole is formed on the fixing sleeve, and a connecting post is movably connected into the movable hole. A push block for pushing the connecting bracket is fixed to the bottom of the connecting post. This snap-fit ​​structure for the instrument circuit board allows for quick assembly and disassembly of the additional circuit board and also has a protective function to prevent accidental opening of the snap-fits.

The invention provides an unmanned transport vehicle safe delivery method and system based on multi-modal verification. The delivery method comprises the steps that S1, a delivery task is initialized, and a vehicle is prepared; s2, cargo loading and state locking; s3, carrying out sealed operation and real-time monitoring in the transportation process; s4, arriving at a delivery point and starting multi-modal biological feature verification; and S5, conditional unlocking, delivery recording and resetting are carried out, when biological characteristic verification, vehicle position verification and cargo integrity verification pass, the electric control lock is driven to execute unlocking according to a preset time sequence, and related data of the whole delivery process are recorded, encrypted and stored. According to the method, a'triple binding 'unlocking strategy is adopted, meanwhile, data such as whole-process monitoring, monitoring and delivery recording in the transportation process are encrypted and stored, the transportation safety, tamper-proofing performance, robustness and delivery uniqueness are remarkably improved, and stable environment and credible delivery of goods in whole-process transportation are ensured.

The technical scheme belongs to the technical field of locksets, and particularly relates to a locking device and a safety lock, the locking device comprises a locking seat, a locking part on the locking mechanism is inserted into the locking groove to form a locking area; the limiting mechanism is mounted on the locking seat; the locking mechanism comprises a pin shaft assembly which is arranged in the locking seat in a sliding mode, and a first limiting part is arranged at the side end of the pin shaft assembly. The locking piece is arranged in the locking seat in a sliding mode and movably abuts against the limiting mechanism, and a second limiting part is arranged on the locking piece; the second limiting part movably abuts against the first limiting part to limit unlocking of the pin shaft assembly, and an external lock head is locked in a locking groove of the locking base through the pin shaft assembly of the locking mechanism. In order to prevent the pin shaft assembly from being opened, a locking piece is designed for protection; meanwhile, the limiting mechanism is additionally arranged, so that unlocking caused by movement of the locking piece is effectively prevented; and through the design of multiple locking structures, the safety of the locking device is improved, and the safety problem possibly caused by mistaken unlocking by children is effectively avoided.

The utility model discloses a stainless steel padlock which comprises a lock body, a lock cylinder and a lock hook which are installed on the lock body, and further comprises a lock cylinder accessory, the lock cylinder accessory is fixed in the lock body and is in butt joint with the lock cylinder, a hollow channel is formed in the lock cylinder accessory, and the hollow channel extends in the axial direction of the lock cylinder accessory and penetrates through the two ends of the lock cylinder accessory. The hollow channel is used for a key to slide so as to be connected with or separated from the lock cylinder. The fixed lock cylinder accessory is used for shielding the lock cylinder, so that the lock cylinder is difficult to directly touch in use, the lock cylinder cannot rotate even if the lock cylinder accessory is touched manually, the situation that the lock cylinder rotates to unlock the lock due to the fact that the lock cylinder is touched manually by mistake is effectively avoided, unlocking with non-subjective intentions is effectively avoided, and the locking safety is improved; and the user experience is improved.

The utility model discloses a spliced LED display screen support structure relates to LED display support field, including with the display screen connecting frame of LED display screen connection and install on the wall body wall body connecting frame, the display screen connecting frame is provided with the assembly spare that is connected with wall body connecting frame, be equipped with two working ends among the assembly spare, wall body connecting frame is provided with the installation clamping groove that is adapted to assembly spare, the installation clamping groove has two, respectively symmetrical in the both sides of wall body connecting frame, and every installation clamping groove all with one working end in assembly spare corresponds, and every installation clamping groove can limit one working end in assembly spare in wall body connecting frame, and the application has effectively solved the problem that the traditional support adopts bolt fixation when disassembling difficult, has greatly promoted the convenience of maintenance.

The utility model discloses an intelligent lock and a double-battery power supply circuit thereof, the double-battery power supply circuit comprises a first switch module, a second switch module, a third switch module and a fourth switch module, or when the output voltage of the first power supply end is higher than the threshold voltage and the output voltage of the second power supply end is greater than 0, the first battery supplies power to the control mechanism through the first power supply end; when the output voltage of the first power supply end is 0 and the output voltage of the second power supply end is greater than 0, or the output voltage of the first power supply end and the output voltage of the second power supply end are both greater than 0 and the output voltage of the first power supply end is equal to or lower than a threshold voltage; the second battery supplies power to the control mechanism through the second power supply end; according to the technical scheme, a double-battery power supply mode is adopted, it is ensured that the intelligent lock can be automatically switched to the second battery for power supply when the electric quantity of the first battery is insufficient, and therefore continuous operation of the intelligent lock is achieved.

The invention discloses a novel wireless signal amplifier and a use method thereof, and relates to the field of signal amplifiers. The vacuum adsorption assembly is installed on the rear side face of the signal amplifier, the signal amplifier can be adsorbed and fixed to the wall face through the vacuum adsorption assembly, and compared with installation and fixation through rivets, bolts and other fixing pieces, the signal amplifier can be more convenient to install, detach and fix; therefore, a user can conveniently adjust and replace the position of the signal amplifier according to use requirements; meanwhile, a take-up and pay-off mechanism for taking up and paying off a power line of the signal amplifier is arranged, so that the power line of the signal amplifier can be taken up when the signal amplifier is detached for position replacement, interference caused by the power line when the signal amplifier moves for position replacement can be prevented, and the position replacement convenience of the signal amplifier is further improved; and the take-up and pay-off mechanism can adjust the length of the power line according to the power connection requirement when the signal amplifier is used, so that the power line is prevented from being knotted or mopped due to overlength.