12results about How to "Avoid hard friction" patented technology

The application relates to the technical field of medical devices, and provides a visual laryngoscope, which comprises a handle main body, a front end support connected to the distal end of the handle main body, a first expansion member and a second expansion member which are respectively hinged to the front end support and each comprise a support base body and a flexible buffer layer, a driving assembly arranged on the handle main body, and a transmission mechanism connecting the driving assembly and the two expansion members, wherein the transmission mechanism converts power into synchronous reverse deflection movements of the two expansion members around respective hinged shafts in response to the driving of the driving assembly to realize bidirectional expansion of a target cavity. The application realizes bidirectional flexible expansion of a pharyngeal cavity and noninvasive clear exposure of a glottis, and improves the success rate and safety of difficult airway intubation.

This utility model discloses a longitudinal transmission drive pulley for a rice transplanter, belonging to the technical field of rice transplanter accessories. The longitudinal transmission drive pulley of this utility model includes a pulley body, a weed-proof ring on the front end face of the pulley body, and four evenly distributed oblique cutting strips on the front end of the pulley body. This utility model solves the problem that in the actual use of existing rice transplanter pulleys, weeds easily become entangled on the pulley, drive shaft, and adjacent components due to the working environment, affecting long-term operation. This utility model sets the weed-proof ring at the outermost rim. Through the integrally formed weed-proof ring and cutting grooves, when the pulley body rotates, the oblique cutting strips form a rotating cutting surface. Weeds entering the spoke cavity are guided to the top of the oblique cutting strips and cut off as the wheel rotates, preventing weeds from entangled on the spokes and drive shaft, and facilitating adaptation to different working environments.

The utility model discloses a charging gun plugging auxiliary support with a buffer structure, and relates to the technical field of charging gun supports, the charging gun plugging auxiliary support comprises a wall-mounted support, the bottom of the wall-mounted support is fixedly connected with a hook, the front side of the wall-mounted support is fixedly connected with a supporting block, and a rotating shaft is inserted in the supporting block. According to the utility model, through the arrangement of the connecting block and the covering plate, when the device is used in a charging state, a worker can rotate the covering plate to cover the placement opening of the wall-mounted bracket, so as to block outdoor rain and snow, thereby effectively preventing a subsequent charging gun from water inflow; the safety of the charging gun in the using process can be effectively improved, a rubber plate and a rubber column are arranged, in the process that the covering plate covers the wall-mounted support containing opening, the sealing effect on the containing opening can be improved through the rubber plate made of rubber, the covering plate can be prevented from being in hard friction with the outer wall of the containing opening in the rotating process, and the service life of the charging gun is prolonged. Therefore, the outer wall of the placing opening is protected.

The utility model discloses a tool for preventing dust from being generated by friction of a rubber plug, which relates to the technical field of rubber plug tools and comprises a vibration material channel, a flexible pad is detachably fixed on the vibration material channel through a mounting angle plate, the flexible pad is a flexible body which is made of flexible materials and has a smooth surface, and the flexible pad comprises a U-shaped pad. The U-shaped pad is embedded in the vibration material channel and attached to the inner wall of the vibration material channel. Due to the fact that the flexible pad is installed on the vibration material channel, the rubber plug is in flexible contact with the outer surface of the U-shaped pad in the moving process, the probability that the rubber plug is damaged due to friction is reduced, the probability of generating dust is reduced, and meanwhile the dust falling hole is formed, so that the rubber plug is prevented from being damaged. The dust falling holes are formed in the rubber plugs, so that dust possibly generated can be sucked away through the dust falling holes under the action of air flow, and therefore it is further guaranteed that no dust adheres to the rubber plugs after feeding, the sealing performance of packaging and the good medicine quality are guaranteed, and the qualified rate of packaged medicines is increased.

The invention discloses a micro-rectangular socket jack bending device, and aims to solve the problems of poor quality consistency and low efficiency during manual bending of micro-rectangular connector jacks. The device comprises a bottom plate, a bending base, a supporting rod and a positioning block. A to-be-bent inserting hole is arranged on the supporting rod in a sleeved mode and fixed through the inserting hole positioning block. One end of the supporting rod is connected with the tension spring through the hanging pin to achieve automatic reset. The core of the invention lies in that the front and back bending positions of the product are accurately adjusted through the micrometer head, and the jack is stressed and bent by pulling the bending pressure head. In the bending process, the supporting rod synchronously rotates along with the inserting hole, and after bending is completed, the elastic force of the tension spring drives the supporting rod and the pressing head to automatically reset through the hanging pin. Precise control over the bending size is achieved through the micrometer head, continuity and consistency of operation are guaranteed through the tension spring reset mechanism, and the bending quality and production efficiency of products are greatly improved.

This invention discloses a belt anti-scratch system and method for a belt sampling machine. The system includes a support frame, a protective cover, and a main controller. The support frame is mounted on the belt conveyor frame, with the protective cover connected to its upper part. Industrial cameras are installed inside the protective cover and at the bottom of the belt for real-time monitoring of the belt's condition. A rotating support is mounted on the support frame, with a rotating shaft passing through the protective cover. One end of the shaft is connected to a reducer and a motor, while the other end holds a sampling head placed inside the protective cover, forming a rotatable sampling structure. The main controller is electrically connected to the industrial cameras and the motor. It acquires belt image data through the industrial cameras, processes the data, and then controls the motor to drive the sampling head, achieving monitoring of the belt's operating status and anti-scratch control during the sampling process. Through structural integration and intelligent control, this system effectively prevents the sampling head from scratching the belt, improving the safety and reliability of equipment operation.

The utility model discloses a heat preservation quilt folding and unfolding device for a greenhouse, and belongs to the technical field of agricultural engineering. The device mainly comprises a winding rod and a rotating arm, a protection assembly used for protecting a heat preservation film is fixedly installed on the side wall of the rotating arm, the protection assembly comprises a fixing frame, a first rotating cylinder, a second rotating cylinder and a connecting mechanism, the top of the fixing frame is fixedly installed on the side wall of the rotating arm, and the two ends of the bottom of the fixing frame are rotationally installed on the side wall of the first rotating cylinder correspondingly; the two ends of the first rotating cylinder are rotationally installed on the second rotating cylinder through connecting mechanisms correspondingly, the side wall of the first rotating cylinder is in transmission connection with the side wall of the winding rod through a first-stage transmission mechanism, and one end of the first rotating cylinder is in transmission connection with one end of the second rotating cylinder through a second-stage transmission mechanism. The edge of the heat preservation quilt or the driving assembly is prevented from making direct contact with the film face to generate hard friction, and synchronous linkage folding and unfolding of the heat preservation quilt and the protection quilt are achieved through the first-stage transmission mechanism and the second-stage transmission mechanism.

The wire and cable powder coating machine capable of automatically cleaning the filter element comprises a machine box, a powder bin is arranged in the machine box, the filter element is arranged in the powder bin, the top end of the filter element is connected with the upper inner wall of the powder bin, and an air extractor is installed at the joint of the powder bin and the filter element. The air extractor is communicated with the interior of the filter element and used for extracting air in the filter element to extract air in the powder bin, a scraping device and a movable driving device are further arranged in the powder bin, the movable driving device is fixed to the inner wall of the powder bin and connected with the scraping device, and a scraping assembly is in contact with the outer surface of the filter element. The scraping device is driven by the moving driving device to reciprocate in the length direction of the filter element, the filter element is cleaned through an automatic scraping structure with the scraping device matched with the moving driving device instead of being manually and frequently shut down to disassemble the filter element for cleaning, and the intermittent automatic cleaning device has the advantages that the intermittent automatic cleaning of the filter element is realized, and the production efficiency is conveniently improved.

The tool car with the anti-collision function comprises a car body, universal wheels, a storage cavity and a handle frame, the universal wheels are fixedly installed at the four corners of the bottom of the car body respectively, the handle frame is fixedly installed on one side of the upper portion of the car body, the storage cavity is formed in the upper surface of the car body, installation cavities are formed in the periphery of the car body, and the handle frame is fixedly installed in the installation cavities. A plurality of supporting shafts are uniformly and fixedly mounted in the mounting cavity, an anti-collision barrel is detachably and rotationally mounted on each supporting shaft, one half of each anti-collision barrel is located in the mounting cavity, and the other half of each anti-collision barrel is located outside the vehicle body; by means of the overall arrangement, hard collision and hard friction between the periphery of a vehicle body and external objects can be prevented in the using process, so that the vehicle body and the external objects are effectively protected, and unnecessary damage is prevented; and meanwhile, the anti-collision barrel can be independently replaced in the later period, and more convenience and flexibility are achieved.

This utility model relates to the field of transmission belt processing technology, specifically an integrated molding die for a rubber transmission belt. The utility model includes a base plate, with at least four support rods fixedly connected to the bottom of the base plate. An inner mold is disposed above the base plate, and a guide sleeve is fixedly connected inside the inner mold. A guide rod is fixedly connected to the center of the upper surface of the base plate. The inner mold is slidably connected to the guide rod via the guide sleeve. Lifting rings are fixedly connected to both sides of the guide sleeve above the inner mold. An outer mold assembly is disposed below the base plate. This utility model employs a multi-set openable outer mold plate design in the outer mold assembly. Through servo motor-driven gear transmission, the outer mold plates synchronously close towards the center or separate outwards. During demolding, the outer mold plates move in a dispersed manner, avoiding the hard friction between the outer mold plate and the rubber transmission belt during demolding, effectively preventing scratches, cracks, or wear on the transmission belt surface, and ensuring the product's appearance and performance.

The utility model relates to metal preheating zone positioning device field discloses a novel preheating guiding device, including preheating seat, the upper end of preheating seat is clamped and is provided with locating copper block, be provided with dismantling and replacement subassembly between preheating seat and locating copper block, the upper end of locating copper block is provided with a plurality of connecting slots, a plurality of connecting slots all are fixedly connected with ceramic bearing in the inside, a plurality of ceramic bearings all are fixedly sleeved with locating axle stem in, dismantling and replacement subassembly includes two first connecting plates and two second connecting plates, two first connecting plates all are fixedly connected with locating copper block, two second connecting plates all are fixedly connected with preheating seat, the lower end of two first connecting plates all is fixedly connected with the connecting plug piece. In the utility model, the temperature difference problem of traditional device is eliminated completely, and the metal strip surface and passivation layer are effectively protected, metal chip generation is reduced, and locating copper block can be replaced quickly through dismantling and replacement subassembly, and different specifications metal strip material are adapted.

This utility model discloses a prefabricated power duct, including a duct body with multiple reinforcing bars cast inside. The duct body has an inner cavity with a pipe hole. Multiple lifting rings are fixedly connected to the upper surface of the duct body. A limiting component is fixedly installed inside the pipe hole to clamp cables of different diameters, ensuring cable operation safety. A protective component for wrapping the cable is slidably installed inside the pipe hole to prevent damage to the cable insulation layer and ensure cable lifespan. The limiting component and the protective component work together to clamp and fix the cable, ensuring that the cable does not shift or loosen during long-term operation. It also accurately corrects the direction during the initial cable insertion, reducing the risk of scratches caused by angular deviations. This comprehensively protects the cable insulation layer, preventing faults caused by friction, displacement, or entanglement, ensuring long-term stable cable operation, and reducing maintenance risks and costs.