13results about How to "Prevent accidental slipping" patented technology

The invention discloses a coronary intervention guide wire fixing patch and a using method thereof, and relates to the technical field of medical instruments.The coronary intervention guide wire fixing patch comprises a patch body, a bonding layer is arranged on the bottom face of the patch body, at least two clamping grooves used for clamping the tail end of a guide wire are formed in the top face of the patch body, and a plurality of protruding blocks are integrally formed on the top face of the patch body; each clamping groove is of a penetrating type groove structure formed in the top of the corresponding protruding block, the width of an opening of each clamping groove is smaller than the outer diameter of a guide wire, and the number of the protruding blocks is generally four and the protruding blocks are arranged at intervals in the length direction of the patch body. The patch body and the protruding blocks are made of medical plastic in an integrated mode, and the adhesive layer is further covered with a stripping protection layer. The device is simple in structure, small in size and capable of achieving rapid, single-hand and reliable fixing and releasing of the tail end of the guide wire on the premise that extra table top space is not occupied, so that the operation process is effectively simplified, and winding and disengaging of the guide wire are prevented.

This invention relates to the field of aircraft assembly technology and discloses an aircraft assembly lift, including a fixing assembly. The fixing assembly houses a first lifting assembly, and the first lifting assembly houses a fifth lifting assembly. The bottom of the fifth lifting assembly has a supporting foot, the top of which is fixedly installed to the bottom of the fixing assembly. The fixing assembly includes a fixed outer cylinder, an electrical unit fixedly connected to the outer side of the fixed outer cylinder, a support fixedly installed at the bottom of the fixed outer cylinder, a first cover fixedly connected to the outer side of the support, the outer side of the first cover fixedly installed to the outer side of the fixed outer cylinder, and a first gasket fixedly connected to the outer side of the support. This aircraft assembly lift uses four high-strength linear guides for its slide rails. When the lift is raised, it facilitates lateral drilling. When the lift is close to the aircraft fuselage or work frame, the handle can be rotated to tighten the screws and connect to the side interface.

The utility model discloses a bluetooth earphone with adsorption and loss prevention functions, which relates to the technical field of bluetooth earphones and comprises a charging bin, bin covers are hinged to the top and the bottom of the charging bin respectively, and an upper accommodating cavity and a lower accommodating cavity are formed by the charging bin and the two bin covers at the top and the bottom respectively; a connecting assembly is arranged in the lower containing cavity and comprises two elastic clamping strips and a USB connector, and the two elastic clamping strips are connected with the USB connector through connecting data lines. According to the Bluetooth earphone with the adsorption and loss prevention functions, when the Bluetooth earphone body is connected with the mounting groove through the elastic clamping strip, the naturally-formed U-shaped structure can be effectively hung on the rear side of the neck of a user, so that the earphone is not prone to falling off during movement, and when the earphone body falls off, the connection data line can effectively prevent the earphone body from being completely separated from the body of the user; therefore, the risk of falling, damage or loss is reduced.

The utility model discloses a rod connecting device and a jumbolter, and relates to the technical field of jumbolters, the rod connecting device comprises a drill rod warehouse and a rod connecting mechanism, the drill rod warehouse is flat, the drill rod warehouse is used for storing drill rods arranged in the first direction, and the drill rod warehouse is provided with a rod falling opening allowing the drill rods to fall down; the rod connecting mechanism can move relative to the drill rod warehouse in the second direction perpendicular to the first direction, the rod connecting mechanism is provided with a grabbing position and a non-grabbing position in the second direction, and the rod connecting mechanism is configured to block the rod falling opening when the rod connecting mechanism is located at the non-grabbing position and open the rod falling opening and grab the drill rod falling from the rod falling opening when the rod connecting mechanism is located at the grabbing position. The rod connecting device solves the problems that a traditional rod connecting device is large in size and the safety of the rod connecting process is difficult to guarantee.

The utility model relates to the technical field of mobile phone accessories, and discloses a ring card bag support which comprises a silica gel shell. The plastic plate is arranged in the silica gel shell, and at least one magnet is arranged in the plastic plate; the card bag is fixedly connected to the outer wall of the silica gel shell; the arched ring and the card bag are integrally arranged; a groove for accommodating the magnet is formed in the plastic plate, and the magnet comprises an annular magnet and a tail magnet which are arranged in the groove; the outer side of the plastic plate is covered with a protection piece used for fixing the annular magnet and the tail magnet. And the protective sheet is made of a PVC (Polyvinyl Chloride) material. According to the utility model, the arched ring has the functions of a ring and a support, and can prevent slipping and support film watching. The built-in magnet realizes a magnetic attraction function, and is convenient for vehicle-mounted use. The integrated design integrates multiple functions, the burden caused by the fact that a user needs to be equipped with various accessories is avoided, and great convenience and market competitiveness are achieved.

This utility model relates to the field of testing device technology and discloses a testing device for an automotive cockpit controller, comprising: a main cabinet, which is divided into multiple functional layers along a first direction by partitions, the functional layers being suitable for testing at least one function of the automotive cockpit controller; and a darkroom connected to the main cabinet, the darkroom being suitable for forming a dark space; the main cabinet includes: a first side panel, the first side panel being suitable for mounting the object under test for testing in the darkroom. By dividing the main cabinet into multiple functional layers along the first direction, the parallel testing capability of multiple functions of the automotive cockpit controller is realized. This not only optimizes space utilization but also significantly improves testing efficiency, allowing different functional modules to be tested simultaneously, greatly shortening the overall testing cycle. The connection design of the darkroom provides a controllable dark environment for optically related tests, ensuring the reliability and consistency of test data.

The utility model discloses a kind of noodle making operation platform, including operation panel, the cabinet of being set to the bottom of operation panel, operation panel one end is vertically provided with baffle, operation panel is set to the side of baffle, its both ends are outwardly extended and set with guide rail plate along the width direction of operation panel, guide rail plate is connected with guide rail, guide rail is slidably connected with section assembly, the utility model section assembly is slid on guide rail, cooperate L type operating handle and operating grip, user can easily push section knife and move on operation panel;Rolling pin bearing assembly U type bearing can rotate around mounting shaft, and is connected by ratchet wheel bearing, conveniently place and take rolling pin, simultaneously can prevent rolling pin accidental slip, guarantee operation safety, and reasonably utilize baffle space to store;Cabinet upper portion is equipped with section operation board storage cavity, a plurality of storage cabinet with cabinet door, conveniently classified and stored noodle making tool and material, make operating area keep neat and orderly, improve operation convenience.

The invention relates to the technical field of medical instruments, and discloses a planer tool device applied to orthopedic surgery, which comprises a handle, a slot arranged at the bottom of the handle, an outer knife and an inner knife arranged at the bottom of the handle, and a connecting assembly arranged among the handle, the outer knife and the inner knife, the outer knife comprises an outer tube and an outer joint, and the inner knife comprises an inner tube and an inner joint; the connecting assembly specifically comprises an inner sliding hole formed in the outer side of the outer cutter in a penetrating mode. According to the planer tool device applied to the orthopedic surgery, through the arrangement of the connecting assembly, when the planer tool device is used, an inner tool is inserted into an outer tool, then an outer connector is inserted into a handle, in the process, a lock bolt is compressed into an inner sliding hole firstly, after the outer connector is completely inserted, the lock bolt is locally pushed into an outer sliding hole through a pushing spring, and locking of the outer tool and the handle is completed; the lock bolt can be pushed out of the outer sliding hole by pressing the adjusting bolt to finish unlocking, so that quick mounting and dismounting are realized, the replacement time of the cutter head in an operation is shortened, and the use is more convenient and safer.

This utility model relates to the technical field of hand grasping training devices, and discloses a hand grasping training device for hemiplegic patients. It includes a training table, with a rubber pad fixedly connected inside. A support block is fixedly connected to the top of the training table, and a grip ball is disposed inside the support block. A hollow column is fixedly connected to the outer wall of the support block, and a disassembly assembly is disposed inside the hollow column. The disassembly assembly includes a locking pin, which is slidably connected inside the hollow column. A connecting rod is fixedly connected to the outer wall of the locking pin, and an L-shaped groove is formed on the outer wall of the hollow column. In this utility model, through the sliding cooperation of the locking pin, connecting rod, and L-shaped groove in the disassembly assembly, the locking pin moves within the hollow column, allowing for the replacement of grip balls of different sizes according to the patient's hand size. This achieves personalized training, solves the problem that traditional training devices cannot meet the needs of different patient hand sizes, and improves the applicability of the training device.

The utility model discloses a screen projection teaching aid based on Internet education, and relates to the technical field of teaching aids. The projection screen comprises a base, a projection screen assembly and a lifting assembly, the projection screen assembly comprises a supporting frame, the lifting assembly comprises two sliding rails, the two sliding rails are fixedly connected to the top of the base, the inner walls of the sliding rails are slidably connected with sliding blocks, and the front faces of the sliding blocks are fixedly connected with the back face of the supporting frame; the two lead screws are rotationally connected to the interiors of the sliding rails, and synchronous wheels are fixedly connected to the tops of the lead screws; the worm gear is fixedly connected to the top of the synchronizing wheel on the left side; the worm is rotationally connected to the side close to the worm gear through a supporting block, and the front face of the worm is in meshed connection with the back face of the worm gear. The lifting assembly is arranged, specifically, the worm drives the worm gear to rotate, then the lead screw drives the sliding block and the supporting frame to slide on the inner wall of the sliding rail, and due to the self-locking characteristic of the worm gear and the worm, the problem that due to the fact that an existing projection screen teaching aid height adjusting mechanism lacks effective self-locking, potential safety hazards exist is solved.

This invention discloses a high-precision mechanical parts testing device, belonging to the field of parts testing technology. Its key technical features include a support platform with two rotatably connected support rollers. Annular protective plates, coaxial with the support rollers, are fixedly installed on both ends of the support rollers. A recessed frame is fixedly installed on the top of the annular protective plates. A first electrically operated telescopic rod, penetrating the recessed frame, is fixedly installed at the center of the top of the recessed frame. A hollow connecting column is fixedly installed at the output end of the first electrically operated telescopic rod. This invention applies vertical and horizontal bidirectional pressure to the sample through a hollow concave pressure block and a retractable airbag, achieving reliable fixation and effectively preventing sample slippage or breakage during testing. Simultaneously, the hollow protective shell, the retractable protective shell, and the magnetic locking structure form a sealed protective space during testing, completely isolating the testing area and preventing high-speed fragmentation or accidental sample slippage when parts break, significantly improving operational safety.

This invention discloses a tooling and manufacturing method for manually producing square steel torsion springs, including a dense coil rolling mold, a hook forming mold, and a starting pitch mold. The dense coil rolling mold includes a rolling mandrel, a limiting plate, and a rolling handle. The hook forming mold includes a forming handle, a rotating shaft, and a forming vertical rod. The starting pitch mold includes a fixing block. This application utilizes the cooperation between the dense coil rolling mold, the hook forming mold, and the starting pitch mold, along with existing lathes and stamping machines, to sequentially complete the three steps of dense coil rolling, hook forming, and starting pitch production. This enables manual production of torsion springs to meet production needs, thereby eliminating the need to purchase a torsion spring machine and reducing enterprise expenses.