35results about How to "Smooth and stable movement" patented technology

The invention provides a hinge device and a portable terminal, wherein the hinge device is capable of opening and closing 360 degrees stably and smoothly. The hinge device comprises a first rotating central shaft and a second rotating central shaft, support plates, cams, cam engaging parts, press force applying devices, stopping parts and stopping blocks. The first rotating central shaft and the second rotating central shaft are supported by shafts in a mutually parallel manner, the first rotating central shaft and the second rotating central shaft are arranged on the support plates and are enabled to rotate optionally, the cams and the cam engaging parts are arranged on the first rotating central shaft and are applied with force by the press force applying devices, the stopping parts are arranged on and rotate with the second rotating central shaft integrally, and the stopping blocks are arranged on assigned positions of the support plates and correspond to the stopping parts of the second rotating central shaft. The stopping parts of the second rotating central shaft are enabled to abut against the stopping blocks to limit the rotating angle of the second rotating central shaft. When the hinge device is in action, the second rotating central shaft stops rotating if the stopping parts of the second rotating central shaft abut against the stopping blocks, and the first rotating central shaft responds to further-applied acting force to start rotating.

The invention discloses a stapler handle device having an insurance mechanism. A driving handle includes a handle driving part; an insurance unlocking block can move between a locking position and anunlocking position; a handle limit member can move between a blocking position and a separation position; the limit member contacting part of the handle limit member is in contact cooperation with theinsurance unlocking block, and when the insurance unlocking block is at the locking position, the limit member limit part is arranged on one side of the handle driving part to stop the handle drivingpart to move to the far end; the insurance unlocking block can drive the handle limit member from the blocking position to the separation position when moving from the locking position to the unlocking position, and the handle driving part can move to the far end without being blocked by the handle limit member; and when the handle driving part moves to the far end, the insurance unlocking blockcan be driven to move from the unlocking position to the locking position. Through the linkage and cooperation of the driving handle, the handle limit member and the insurance unlocking block, secondary firing caused by the misoperation of operators can be prevented, so that safer and more reliable surgical procedure can be realized.

The invention relates to the field of foldable display devices, and discloses a damping mechanism, a foldable hinge and an electronic device. The damping mechanism comprises bases with limiting grooves, damping shafts arranged in the limiting grooves in a penetrating mode, synchronous connecting plates fixed at one ends of the damping shafts and used for providing rotating force for the damping shafts, sliding blocks capable of moving in the axis directions of the damping shafts and rotationally arranged on the damping shafts in a sleeving mode along with the damping shafts, and elastic parts;the sliding blocks abut against the inner walls of the limiting grooves, and damping teeth are arranged on the contact faces of the sliding blocks and the inner walls of the limiting grooves correspondingly; when the damping shafts rotate, tooth peaks of the inner walls of the limiting grooves make contact with tooth peaks of the sliding blocks, or tooth valleys of the inner walls of the limitinggrooves make contact with tooth peaks of the sliding blocks; and the elastic parts are arranged in the limiting grooves and abut against the ends, deviating from the inner walls of sliding grooves, of the sliding blocks, and the elastic parts are in a compressed energy storage state so that the sliding blocks can abut against the inner walls, with the damping teeth, of the limiting grooves. According to the damping mechanism, the effect that the synchronous connecting plates hover at any position can be achieved through the friction force.

The invention provides a device for a waterproof coiled material. The device comprises an arm shelf, a pressing mechanism and a mounting mechanism; the pressing mechanism comprises pressing units, supporting and pressing sets and a longitudinal beam; the longitudinal beam is provided with at least one pressing unit and at least one supporting and pressing set; each pressing unit comprises a swingrod fixing part, a swing rod and a telescopic rod; the swing rod fixing parts are mounted on the arm shelf; one end of each swing rod is movably connected with the corresponding swing rod fixing part,and the other end of each swing rod is movably connected with the longitudinal beam; one end of each telescopic rod is movably connected with the arm shelf, and the other end of each telescopic rod is connected with the corresponding swing rod. The mounting mechanism comprises lug plate bases, a reel and a limiting part; the lug plate bases are fixedly mounted on the arm shelf; the waterproof coiled material sleeves the reel; the two ends of the reel are connected with the two lug plate bases respectively; the limiting part is movably connected with the reel. According to the device, the telescopic rods drive the longitudinal beam to be pressed greatly, the supporting and pressing sets are connected with the longitudinal beam through elastic connectors, uneven working faces can be adaptedto, and the waterproof coiled material has good mounting and pressing effects.

The invention relates to a long needle valve for a fuel injection valve. The long needle valve is longitudinally and movably arranged in a central hole of a needle valve body, the head of the long needle valve is provided with a needle valve sealing conical surface, and the conical surface is matched with a needle valve body sealing conical surface in the needle valve body; the portion, located onthe needle valve body sealing conical surface, of the head of the needle valve body is provided with a plurality of injection holes; and the head of the long needle valve is provided with a guiding section and a throttling section which are in coupling fit with the central hole of the needle valve body, a plurality of throttling section flat positions are arranged on the circumference of the throttling section, the flat positions and the inner wall of the central hole of the needle valve body form a circulating cross section, and a specific value of the area S1 of the circulating cross section to the sum of the area of all the injection holes is t. According to the long needle valve for the fuel injection valve, it can be guaranteed that the long needle valve vertically maintains the reasonable pressure difference in the working process, chattering in the movement process is avoided, and the injection precision and the stability of an oil injector are improved; and in addition, the structure is simple, and the high economical property is achieved.

The invention discloses a continuous-moving-type knife striking mechanism. The continuous-moving-type knife striking mechanism is characterized in that the working end of a motor is connected to the input end of a transmission; a cam is connected to a first output shaft of the transmission; meanwhile, the second end of the transmission is connected to a knife loosening and pulling spindle; the bottom end of the knife loosening and pulling spindle is connected to a knife buckling rod; two ends of the knife buckling rod are separately provided with clamping jaw parts; a swinging arm roller is matched to the cam; the swinging arm roller is rotatably supported on the free end of a swinging arm; the swinging arm is rotatably supported on a knife loosening fixing base through a knife loosening arm mandrel; a knife loosening arm is in key joint with the knife loosening arm mandrel; the free end of the knife loosening arm is connected to a knife loosening arm roller; a spindle knife looseningarm is further rotatably supported on the bottom of the knife loosening fixing base through the spindle knife loosening arm mandrel; a spindle knife loosening arm roller is rotatably supported on thetop of the spindle knife loosening arm; and besides, the spindle knife loosening arm roller is in contact with the knife loosening arm roller.

The invention relates to a detection method based on a special robot end effector performance comprehensive test system. The detection method comprises the following detecting steps that S1, test units are assembled and tested according to a predetermined test scenario and a test platform; S2, the track angle, the test unit placement positions and the test item, sequence and time are set through amain control computer; S3, a worker adjusts and places the various test units according to configuration information; S4, a tester enables a robot to run to a specific position to start timing; S5, the tester operates a robot end effector to sequentially complete various tests in turn, and the step can be omitted if the operation cannot be completed; and S6, after all the test items are completed, timing is finished, the system generates a test report. Various test data analyze that the motion execution accuracy, the motion coherent stability and the snatch capability of the special robot endeffector meet the design requirement; the special robot end effector is calibrated according to the test data so that the accuracy required by the using requirement can be reached again.

The invention relates to the technical field of optical storage equipment, and more specifically relates to a pushing method of a vertically-arranged optical disc array. The method comprises the stepsthat a plurality of optical discs are vertically arranged to form an optical disc array, the circle centers of the optical discs are located on the same horizontal plane, a vertically arranged reading/writing device is arranged on the outer side of the optical disc storage array, and a pushing device for pushing the optical discs into the reading/writing device is arranged on the inner side of the optical disc storage array. The method is characterized in that a certain optical disc is pushed on the inner side through a pushing force in the horizontal direction so as to enable the pushed optical disc to move towards the outer side; the pushed optical disc enters the reading/writing device from an initial position along an inclined upward track under the action of the pushing force; the horizontal direction position of the pushing force is higher than the horizontal plane where the circle center of the optical disc is located, and after the pushed optical disc partially enters the reading/writing device and before the pushing force is removed, the circle center of the pushed optical disc is continuously kept lower than the horizontal direction position of the pushing force. According to the invention, the optical disc can be kept smooth and stable in the moving process.

The invention provides a structurally-improved pneumatic airless spray machine, and belongs to the field of spraying equipment. The pneumatic airless spray machine comprises a machine body, wherein the machine body is arranged on a rack body; four rollers are arranged at the bottom of the rack body; the rack body is connected with a spray gun through a high-pressure hose; the spray gun comprises a gun body; the gun body is connected with the high-pressure hose through a hose connector. In the working process, a connecting rod of the pneumatic airless spray machine can move smoothly and stably, and then the rack body with the four rollers can roll conveniently and move to an appropriate operation position; the spray gun connected through the high-pressure hose can move conveniently, the operation is convenient, and the spraying efficiency can be improved.

The invention belongs to the technical field of cleaning equipment, and particularly relates to flat mop cleaning equipment with a transmission mechanism, which comprises an air pressure water injection assembly, the air pressure water injection assembly comprises a connecting rod ratchet mechanism, a transmission gear shaft, a clutch and a water pump, the connecting rod ratchet mechanism is arranged on the side part of a treading pedal assembly, the treading pedal assembly is in transmission connection with the connecting rod ratchet mechanism, the transmission gear shaft is arranged on the side portion of the connecting rod ratchet mechanism, the connecting rod ratchet mechanism is in transmission connection with the transmission gear shaft, and the clutch is arranged on the upper portion of the transmission gear shaft. The problems that in the prior art, reciprocating motion of a pedal cannot be converted into power for water absorption of a flat mop bucket; the pipeline connection mode is complex, and all the water conveying functions cannot be achieved through the same water conveying power; the mop is very laborious to clean, and the like are solved. The equipment is easy and convenient to operate, an operator can easily clean a flat mop through the equipment, and sewage and clean water can be easily conveyed.

The invention provides an automatic tarpaulin covering device used for a vehicle tank and an application method. According to the structural relation of the automatic tarpaulin covering device, a steel wire rope pulley set assembly is welded to the front portion of a tank body of the vehicle tank, and a steel wire rope supporting assembly is welded to the front portion of the tank body of the vehicle tank as well; a guide rail supporting frame is welded to the two sides of the vehicle tank, and the other end of the guide rail supporting frame is welded to a steel wire rope tightening device; thick steel wire rope rails are installed at the two ends of the guide rail supporting frame and locked through nuts; four pulleys in a double-bearing pulley assembly and a single-bearing pulley assembly are connected to the thick steel wire rope rails in series; a tarpaulin U-shaped frame is installed on the double-bearing pulley assembly and the single-bearing pulley assembly; a tail U-shaped frame automatic resetting device is welded to the double-bearing pulley assembly, the tarpaulin U-shaped frame is welded to the tail U-shaped frame automatic resetting device, and a tarpaulin is connected to the tarpaulin U-shaped frame; and a tarpaulin protective cover is welded to the front portion of the tank body of the vehicle tank.

The invention provides a belt transmission device, relates to the technical field of mechanical transmission equipment, and aims to optimize the structure of the belt transmission device to a certain extent and reduce the weight and space occupation of the whole device. The invention provides a belt transmission device which comprises a guide rail, a conveyor belt, a driving wheel and a first transmission wheel set. A connecting frame is arranged on the bottom surface of the guide rail, the driving wheel is connected with the connecting frame, and the driving wheel can rotate relative to the connecting frame; the first transmission wheel set comprises a first transmission wheel and a second transmission wheel, the first transmission wheel and the second transmission wheel are oppositely arranged at the two ends of the guide rail and can rotate relative to the guide rail, and the sides, away from the guide rail, of the first transmission wheel and the second transmission wheel make contact with the conveying belt. The conveying belt is arranged around the driving wheel, and the driving wheel can drive the conveying belt to move.