10results about How to "Prevent vandalism" patented technology

The utility model discloses a door and window lock seat, including lock seat main part, locating piece, locating rivet, the lock seat main part hollow has formed with the installation groove, the installation groove transversely penetrates lock seat main part, the installation groove extends along lock seat main part length direction, this lock seat is through setting up the limit hole, and the limit hole can be connected with T type lock bolt snap, so that the construction personnel can lock the position of lock seat main part and limit hole fast, improves the installation efficiency of construction personnel on the site and reduces the tedious debugging action, and maintenance and replacement are simple, and after T type lock bolt and limit hole snap connection, T type lock bolt still can go into the installation groove, has the function of anti -prizing, prevents the burglar with the tool and inserts into lock seat main part, prevents burglary and makes sabotage, simultaneously, the lock seat is integrally formed, and the overall strength is high, and the practicality is strong.

This utility model relates to the field of door lock technology, specifically a positioning and rotating handle device. It includes a mounting plate with a positioning ring installed in the center. A handle component is rotatably connected to the outside of the positioning ring. The handle component includes a rotating part, the front end of which is fitted onto the positioning ring. A spring is installed inside the rotating part, and a steel ball is attached to the end of the spring. The positioning ring has several equally spaced positioning grooves arranged in a ring on the side near the handle component. When the handle component rotates, the steel ball engages with each positioning groove in sequence, increasing rotational stability and feel. In this positioning and rotating handle device, the spring pushes the steel ball to engage with the positioning grooves on the positioning ring, achieving precise positioning of the handle component during rotation. Each rotation, with the steel ball embedding into the positioning groove, provides clear tactile feedback to the user, preventing any play or jamming during operation. It is particularly suitable for applications requiring high operational precision, improving stability and reliability.

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 the technical field of fireproof doors, and discloses a fireproof door structure with good fireproof performance, which comprises a mounting frame, a hinge is fixedly connected to one side of the outer wall of the mounting frame, a fireproof shell is fixedly connected to one side of the outer wall of the hinge, and a door closer is fixedly connected to one side of the outer wall of the fireproof shell. One side of the door closer is arranged on one side of the outer wall of the mounting frame, an anti-theft assembly is mounted in the fireproof shell, and a sealing assembly is mounted on one side of the outer wall of the fireproof shell; the sealing assembly comprises a fireproof frame, and one side of the outer wall of the fireproof frame is fixedly connected to one side of the outer wall of the fireproof shell. According to the fireproof door, the door body is made of high-temperature-resistant materials such as the ceramic fibers, the cold-rolled steel sheets and the aluminum-titanium alloy coatings, so that the fire resistance is greatly improved; the ceramic fibers can isolate flames and heat, delay temperature rise and prevent fire spreading; and the cold-rolled steel sheet and the aluminum-titanium alloy coating enhance the strength and corrosion resistance of the door body, ensure the structural stability, prolong the service life and provide high-quality fireproof protection.

The utility model relates to camera anti -disassembly technical field, and disclose a dangerous goods transport vehicle indoor monitoring camera device with anti -disassembly structure. This dangerous goods transport vehicle indoor monitoring camera device with anti -disassembly structure, including the coupling plate, the coupling seat, camera module and the columnar cylinder, the inside of coupling seat is equipped with the camera module extending to its below, the bottom of coupling plate is opened has the countersunk hole of ring array distribution and extends to its other side and with bolt adaptation, the bottom of coupling plate is embedded and has the internal thread cylinder of ring array distribution and extends to its other side, the bottom of coupling plate is opened has the alignment hole of left and right symmetry distribution and extends to its other side, this device has the advantage that the non -authorized personnel is difficult to disassemble through simple tool, has improved the anti -disassembly performance, effectively prevented malicious destruction, solved the problem that the existing dangerous goods transport vehicle indoor monitoring camera is easy to be disassembled.

The utility model discloses a flexible printed circuit (FPC) connector capable of reducing friction of a graphene flat cable, which relates to the technical field of connectors and comprises a connector shell, a connector upper cover is rotatably arranged on the connector shell, and a terminal body is butted between the connector shell and the connector upper cover. And a butt joint flexible flat cable is arranged between the connector shell and the connector upper cover. According to the FPC connector capable of reducing friction of the graphene flat cable, when a butt joint flexible flat cable needs to be plugged and unplugged, the connector upper cover is turned upwards, the shaft end of the connector upper cover rotates, the protruding part of the shaft end does not abut against the abutting block, at the moment, the upper push plate pops up upwards under the driving of the elastic acting force of the auxiliary spring, and then the flexible flat cable is plugged and unplugged. The butt-joint flexible flat cable is arranged on the plastic soft shell and abuts against the butt-joint flexible flat cable, so that the butt-joint flexible flat cable slightly moves upwards, contact between the butt-joint flexible flat cable moving upwards and the connector shell can be reduced, friction between the butt-joint flexible flat cable and the plastic soft shell is reduced, and graphene on the lower surface of the butt-joint flexible flat cable is further prevented from falling off.

This utility model discloses an installation protection component for a data acquisition device, including a mounting cover. A flipping mechanism is fixedly connected to the bottom of the inner wall of the mounting cover, and a shielding control mechanism is fixedly connected to the top of the mounting cover. The data acquisition device is fixedly connected to the top of the flipping mechanism. The mounting cover includes a main body, with wiring slots on both the left and right sides. Connecting blocks are fixedly connected to the front of both the left and right sides of the main body. The bottom left and right sides and the front of the main body are hollowed out. By setting up the mounting cover and the flipping mechanism, stable installation and convenient operation of the data acquisition device are achieved inside the mounting cover. It also fully considers environmental factors in actual use, such as the impact of sunlight angle on operation. Furthermore, the mounting cover effectively prevents debris from falling directly onto the data acquisition device and causing damage.

The utility model relates to the technical field of side slope drainage, in particular to an embedded type side slope drainage mechanism which comprises a drainage pipe embedded in the inclined face of a side slope and a communication pipe embedded in the bottom face of the side slope. The top of the drainage pipe is provided with a drainage groove poured by concrete, the drainage pipe is fixedly provided with a marking pipe, and the marking pipe is perpendicular to the drainage pipe; according to the utility model, the drainage pipe and the communicating pipe are buried underground, so that the ground space is not occupied, the ground surface can be kept clean and beautiful, the normal activities of pedestrians or tourists on the slope are not influenced, and the water drainage pipe and the communicating pipe are connected with the marking pipe, so that the water drainage pipe and the communicating pipe are convenient to use. The pipeline can be prevented from being exposed, mechanical collision and man-made damage are effectively avoided, the marking pipe extends out of the ground to serve as a warning mark, and damage to the drainage pipe caused by slope excavation in follow-up construction is avoided.

The utility model relates to an inner cap, in particular to a novel anti-pulling-off double-material injection molding type white spirit anti-fake bottle cap inner cap, and solves the design problem of preventing the inner cap from being pulled out by mistake. The inner cover comprises an inner buckle body and an outer cover body which are integrally formed through double-material injection molding, connected clamping portions are arranged between the inner buckle body and the outer cover body, the clamping portions are in a step-shaped distribution path, the number of the clamping portions is at least two in the circumferential direction, a through sealing cavity is formed in the middle of the outer cover body, and the sealing cavity is communicated with the inner buckle body and the outer cover body. The inner buckle body is provided with a protruding part extending into the sealing cavity of the outer cover body, and a gap is formed between the protruding part and the cavity wall of the sealing cavity. The pulling force of the bottle cap is greatly improved, so that the problem that the inner cap is pulled off from other components (on the inner sleeve and the upper cap) of the bottle cap under the physical force of the bottle cap is solved; the anti-counterfeiting function of the bottle cap product is greatly improved; compared with other split type anti-counterfeiting inner covers, the production cost is reduced, the production procedures are reduced, and the production efficiency is improved.

The application discloses a local archive search management system and method based on digital humanities, and particularly relates to the field of archive search management, and comprises an archive information region division module, an archive information collection module, an archive information identification module, an archive information database establishment module, a text information acquisition module, a text information extraction module, an information matching analysis module, an archive search evaluation module, a search engine optimization module and an archive resource security supervision module. The application collects archive information, extracts archive information therefrom, further establishes an archive information database, extracts key word information and search volume from text information input by a user, analyzes to obtain an archive priority matching coefficient, compares the archive priority matching coefficient with a preset archive priority matching coefficient threshold value, automatically searches in the database, and accurately and rapidly outputs archive information searched by the user, so that the digital technology is scientifically and reasonably used and plays a greater role in modern archive management.