36results about How to "Stretch out" patented technology

The invention relates to the technical field of medical instruments, in particular to a uterine curettage device for the obstetrical department and aims to solve the technical problem of inconveniencein diameter and length adjustment of existing stainless steel pipes. The uterine curettage device provided for solving the technical problem comprises a hollow tube, a dilator and a length adjustinghead. The dilator is arranged in the hollow tube, one end of the length adjusting head is in movable connection with one end of the dilator, the dilator comprises a rotating shaft, one end of the rotating shaft is in movable connection with one side of the inner wall of the hollow tube, and two sides of the surface of the rotating shaft are fixedly connected with inner wall of two push plates through connecting shafts respectively. By rotation of a rotating block, a threaded annular sheet is enabled to rotate in an annular screw groove, then the push plates gradually extrude adjusting plates,two expansion arc plates can be driven to expand outwards through adjusting shafts, and thus, the integral diameter of the hollow tube can be increased, and an application range can be expanded.

The invention relates to equipment special for orthopedic operation, in particular to sports medical arthroscope surgical equipment. The surgical equipment comprises a support, a steering platform hinged to the support, a steering motor for driving the steering platform, and a distraction device arranged on the steering platform. The distraction device comprises a drive motor, a gearbox arranged on an output shaft of the drive motor, two screws meshed with the gearbox through gears in a transmission mode, and hooks arranged on the screws. The two screws are oppositely arranged. The movement directions of the hooks on the two screws are opposite. Each hook comprises a transverse hook handle and a hook body longitudinally arranged at the inner end of the hook handle. The distance between the two hook bodies is not larger than 6 cm. The hooks in the surgical equipment are driven by the drive motor, so a surgical incision is stably distracted and obviously exposed, and medical labor cost is saved.

The invention discloses an asymmetric type vertebral body expander which is large in expanding force and stable. The asymmetric type vertebral body expander comprises a core rod, wherein an upper portion supporting plate assembly and a lower portion supporting plate assembly are arranged at the front end of the core rod, and the core rod is sleeved with a core rod sleeve. The upper portion supporting plate assembly comprises an upper portion front supporting plate, an upper portion middle supporting plate and an upper portion rear supporting plate, wherein the upper portion front supporting plate, the upper portion middle supporting plate and the upper portion portion rear supporting plate are sequentially connected through an upper portion front hinge shaft and an upper portion rear hinge shaft. The lower portion supporting plate assembly comprises a lower portion front supporting plate, a lower portion middle supporting plate and a lower portion rear supporting plate, wherein the lower portion front supporting plate, the lower portion middle supporting plate and the lower portion rear supporting plate are sequentially connected through a lower portion front hinge shaft and a lower portion rear hinge shaft, the upper portion front supporting plate, the lower portion front supporting plate and the core rod are hinged to the front hinge shaft, the upper portion rear supporting plate and the lower portion rear supporting plate are hinged to the core rod sleeve, one end of an upper portion supporting rod is hinged to the upper portion rear hinge shaft, the other end of the upper portion supporting rod is hinged to the core rod, one end of a lower portion supporting rod is hinged to the lower portion rear hinge shaft, the other end of the lower portion supporting rod is hinged to the core rod, the expanding height of the upper portion supporting rod is different from the expanding height of the lower portion supporting rod, the rear end of the core rod is connected with a connecting assembly in a handle portion shell, and a handle connecting rod matched with the handle portion shell in a threaded mode is connected to the connecting assembly.

The invention discloses a foldable privacy bin. The foldable privacy bin comprises a first side plate and a third side plate folded to form a box body; a pair of top connecting rods horizontally folded in middles and mutually hinged to expand or shrink the first side plate and the third side plate from the top ends are hinged to the top ends of the first side plate and the third side plate; the bottom ends of the first side plate and third side plate are hinged with a pair of bottom connecting rods horizontally folded in middles and mutually hinged to expand or shrink the first side plate andthe third side plate form the bottom ends; and the bottom ends of the first side plate and the third side plate are hinged with a pair of moving plates vertically folded in middles and mutually hingedto expand as base plates or shrink to achieve collection. The foldable privacy bin further comprises a top plate, a second side plate and a fourth side plate for being connected with the first side plate and the third side plate after expansion in a buckling or insertion mode. The privacy bin is suitable for meeting, conference, musical instrument exercise and emotional relief by fewer persons, is small in size, dose not dependent on screwing during assembly, saves both time and power in installation and disassembly, and achieves more convenience.

The invention relates to a packing bag opening device of a packaging machine. The packing bag opening device of the packaging machine comprises a placing table, a packing conveying belt, a packaging conveying belt, an installation plate, an installation base and packing bags, wherein the packing conveying belt is fixedly installed at one side of the placing table, the packaging conveying belt is fixedly installed at the side, away from the packing conveying belt, of the placing table, the installation plate is fixedly installed at the front side of the placing table, and the installation base is fixedly installed at one side of the installation plate. By arranging a suction mechanism, the thin packing bags can be quickly and efficiently sucked, one packing bag can be conveniently adsorbed at a time, the multiple packing bags cannot be adsorbed at a time, then bag openings of the packing bags are pulled open through cooperation of a lifting mechanism, and a first expanding and supporting mechanism and a second expanding and supporting mechanism can conveniently enter two sides of the end opening of each packing bag for rigid expanding and supporting, so that the packing bags are supported more stably.

The invention discloses a distracter for total knee joint replacement. The distracter comprises a longitudinal supporting plate, a tibia-side component, a thighbone-side component, a first linear motor, a first movable rod and a control box. The tibia-side component and the thighbone-side component are connected with the supporting plate perpendicularly, a first longitudinal sliding groove is formed in the inner surface of the supporting plate, and the thighbone-side component is provided with a first projection portion which is mounted in the first sliding groove in an embedded manner. A motor shaft of the first linear motor is connected with a first push block, and a hinge joint portion is arranged at the upper end of the first push block. One end of the first movable rod is in hinge joint with the hinge joint portion of the first push block, and the other end of the first movable rod is in hinge joint with a first connecting block which is arranged on the inner surface of the thighbone-side component. The control box is electrically connected with the first linear motor, is used for controlling the first linear motor to move and is provided with a power source for providing power and a wireless component for information transmission. The distracter for total knee joint replacement in the technical scheme is capable of distracting the tibia side and the thighbone side stably and enabling the thighbone-side component to rotate, so that precision of the total knee joint replacement is improved.

The invention provides a launcher of gripper, comprising a driving wheel 1, a rotating shaft 2, a driving rod 3, a shell 4, a push rod 5 and an resilient sheet 6, wherein the mobile rail 41 of a gripper 7 is disposed in the shell 4; the driving wheel 1 drives the gripper 7 to move to the outlet 42 on the shell 4 along the mobile rail 41; the push rod 5 is disposed at the outlet 42 to strut the resilient sheet 6 and the gripper 7; when the gripper 7 gripes a gripped object, the driving rod 3 and the push rod 5 are reset. The invention further provides a matched gripper. According to the launcher of gripper and the gripper provided by the invention, scalp clips can be launched continuously and easily, and the scalp clips are opened at a certain angle to clamp the scalps of patients for stanching and fixing, so that the speed of surgery is improved, and time for placing the scalp clip is saved, simultaneously, the working difficulty of doctors is reduced and the quality of surgeries is improved.

The invention discloses a multifunctional automobile sunshade umbrella, which can be used for solving the defects in the prior art that no special sunshade devices for large mechanical equipment such as automobiles and the like exist so that the comfort and safety when the large mechanical equipment such as automobiles are used at high temperature in summer are greatly decreased. The sunshade umbrella comprises a supporting box, a foldable sunshade umbrella movably connected with the supporting box and an actuating unit arranged inside the supporting box, wherein the umbrella cover of the foldable sunshade umbrella is divided into two parts of a front umbrella cover and a back umbrella cover. Based on the above, the invention further discloses an application method of the multifunctional automobile sunshade umbrella. The multifunctional automobile sunshade umbrella is simple in structure and low in cost, fills the market vacancy of automobile sunshade umbrellas, and has wide market prospect. Therefore, the multifunctional automobile sunshade umbrella is suitable for large-scale popularization and application.

The invention discloses an expander for examining gynecological diseases. The expander comprises a shell, the shell is composed of an upper half shell and a lower half shell which fit each other, anda circular cavity is formed in the middle of the fitting portion of the upper half shell and the lower half shell; a spreading device used for spreading the upper half shell and the lower half shell is inserted into the circular cavity, top heads are integrally formed in the right ends of the upper half shell and the lower half shell, and the front and rear ends of the bottom face of the upper half shell are rotatably connected with the ends of hinge plates; the other end of each hinge plate is rotatably connected with the upper surface of the lower half shell, limit clamping grooves are formed in the rotation junction between the upper half shell and one hinge plate and the rotation junction between the lower half shell and the other hinge plate, and top plates are fixedly connected to the right ends of the upper half shell and the lower half shell. Through the application of the upper half shell, the lower half shell, the limit clamping grooves and the hinge plates, the expander hasthe advantage of stable spreading, and meanwhile the functions of convenient spreading and automatic locking are achieved through application of the spreading device and the hinge plates.

The invention relates to a universal draw hook for human body operation, which belongs to the technical field of medicinal instruments. The universal draw hook comprises a fixing device, a universal adjusting assembly, a draw hook adjusting assembly and a clamp adjusting assembly, wherein the universal adjusting assembly is connected with the draw hook adjusting assembly through the fixing device, and the adjusting positions of the adjusting assemblies can be relatively moved; and the clamp adjusting assembly is fixed on the universal adjusting assembly and can control ascending and descending of the universal adjusting assembly. The universal draw hook has a reasonable structural design, can stably spread the incision in the open operation of the human body to achieve successful operation, meanwhile can flush the incision, and is very practical.

The invention relates to a tire vulcanizing capsule which comprises the following components: 98-102 pats of butyl rubber, 4.96-5.04 parts of zinc oxide, 0.9996-1.0004 parts of stearic acid, 7.35-7.65 parts of vulcanizing resin, 44.1-45.9 parts of N220 carbon black, 29.4-30.6 parts of N550 carbon black, 4.96-5.04 parts of castor oil and 0.735-0.765 parts of stabilizer, wherein the vulcanizing resin is the alkyl phenol formaldehyde resin, and the stabilizer is the stannous chloride. Compared with the prior art, tire vulcanizing capsule can be used for more times, has longer service life and achieves obvious effect of improving the tire quality. The resin used for preparing the tire vulcanizing capsule can be vulcanized rapidly, and the vulcanized rubber has good physical and mechanical properties and changes less in hardness after being aged. The stannous chloride serving as the stabilizer can ensure that the service life of the capsule used for vulcanizing can be prolonged by over 65%. The product has the advantages of temperature resistance, high strength, high elongation and low permanent deformation at break, thereby having long service life.

The invention relates to the technical field of bread packaging devices, in particular to an automatic packaging device for bread processing. The device comprises a first conveying line, a second conveying line, a bag opening mechanism and a heat sealing mechanism. The first conveying line is further provided with a grabbing mechanical arm. The grabbing mechanical arm comprises a first horizontalelectric telescopic rod, a first vertical electric telescopic rod and a grabbing hand, packaging bag outer unfolding frames are evenly distributed on a conveying belt of the second conveying line, thebag opening mechanism comprises a packaging bag inner supporting frame, a bearing frame, a second horizontal electric telescopic rod and a second vertical electric telescopic rod, and the heat sealing mechanism is provided with a heating piece. According to the device, only one worker needs to be arranged at a starting end of the second conveying line to open a packaging bag and fix the packagingbag between a positioning column and a bottom piece of the inner supporting frame, bread putting-in, packaging bag sealing and packaged bread collecting are all automatically completed without manualparticipation, labor cost is greatly saved, the packaging efficiency is improved, workers are prevented from making direct contact with bread, and the food hygiene level is improved.

The invention provides a pediatric oral cavity dilator, which comprises a bottom plate, a top plate, a bottom plate, a top plate and a bottom plate, each adjusting and supporting assembly comprises a fixing plate which is fixedly erected above the bottom plate through a polished rod; the two lifting assemblies are symmetrically arranged at the top and the bottom of the fixed plate, are respectively provided with two movable plates and are respectively driven to move up and down; the front-back moving assembly is provided with a control panel and drives the control panel to move front and back; one side of the sliding groove is connected with the control panel through a connecting rod; the upper tooth supporting assembly is fixed with the sliding chute through a fixing assembly; the lower tooth supporting assembly is driven by the lead screw assembly to move up and down; the two ends of the fixing belt are fixedly connected with the two symmetrical movable plates on the upper portion respectively to limit the head top; the two ends of the arc-shaped plate are fixedly connected with the two symmetrical movable plates on the lower portion respectively to support the lower jaw. The device can limit movement of the head of the child and opening and closing of the oral cavity, opening and supporting are carried out according to the mandibular action during mouth opening, and a basis is provided for oral treatment.

The invention relates to a production process for tire curing bladders. The production process includes steps of (1), pouring butyl rubber, zinc oxide, stearic acid, curing resin, N220 carbon black, N550 carbon black, caster oil and stabilizers into an internal mill and then milling to obtain milled rubber materials; (2), filling the milled rubber materials into an open mill, mixing the milled rubber materials to discharge to obtain rubber sheets 10mm in thick and 50mm in width, and naturally cooling the rubber sheets to the room temperature; and (3), filling the rubber sheets into a screw of an injection press while keeping the temperature of the screw within the range of 70-80 DEG C, extruding the rubber sheets by the screw under the pressure ranging from 12 MPa to 18MPa, weighing the rubber sheets by a metering pump, feeding the rubber sheets into a mold cavity, holding the pressure ranging from 12MPa to 18MPa to perform injection curing for 42-48 minutes at a temperature ranging from 160 DEG C to 170 DWG C, and finally ejecting the formed bladders out of the mold cavity by the injection press after finishing curing. Service times of the bladders produced by the production process can be increased, service lives of the bladders can be prolonged, and quality of tires produced by the aid of the bladders can be improved remarkably.

A practical PMT probe support structure disclosed by the present invention comprises a workbench, a sleeve plate and a spherical block, a fixed sleeve is arranged above the workbench, a rotating handle is arranged above the fixed sleeve, rotating wheels are fixed at the upper end and the lower end of a threaded rod, the sleeve plate is located below the threaded sleeve, a limiting plate is installed in the sleeve plate, a connecting block is installed on the right side of a telescopic plate, the spherical block is located on the right side of the connecting block, a damping rod is arranged in front of the fixing plate, a probe body is arranged in front of an arc-shaped block, a pressing plate is arranged in front of the probe body, a screw sleeve is arranged in front of the pressing plate, and a screw rod is arranged in the screw sleeve. Compared with an existing common support structure, the support structure of the PMT probe is provided with an adjusting structure, the angle and the position of the probe can be adjusted, detected data are more comprehensive, and meanwhile the clamping structure of the support structure is provided with an anti-slipping structure, so that the situation that the probe slips and is broken, and economic losses are caused is prevented.

The invention provides a chest distraction device for the cardiothoracic surgery department, and relates to the technical field of distraction devices. The master control rotating rod is rotationally connected to the top of the mounting transverse rod, the control assembly has two control modes, namely, the maximum distraction force of the distraction assembly can not be limited through the master control rotating rod, the maximum distraction force of the distraction assembly can be limited through the adaptive rotating rod in the using process, and therefore the distraction assembly can be preferentially used according to different operation conditions, the adaptability is extremely high, and the practicability is high. The maximum distraction force of the distraction assembly is limited through the adaptive rotating rod and can be freely adjusted, and the problems that the distraction force of an existing distraction device cannot be accurately controlled, the surgical incision of the patient is distraction completely depending on the experience of medical staff, use is troublesome, and the steps are tedious are solved.

The invention relates to a universal draw hook for human body operation, which belongs to the technical field of medicinal instruments. The universal draw hook comprises a fixing device, a universal adjusting assembly, a draw hook adjusting assembly and a clamp adjusting assembly, wherein the universal adjusting assembly is connected with the draw hook adjusting assembly through the fixing device, and the adjusting positions of the adjusting assemblies can be relatively moved; and the clamp adjusting assembly is fixed on the universal adjusting assembly and can control ascending and descending of the universal adjusting assembly. The universal draw hook has a reasonable structural design, can stably spread the incision in the open operation of the human body to achieve successful operation, meanwhile can flush the incision, and is very practical.

The invention provides a rotary multi-leg anti-skid lifting device which can be used in rain and snow weather, and belongs to the technical field of anti-skid lifting devices. The device comprises a device shell, gears, a screw, an inverted triangular block, lifting nails, threads, cards, clamping blocks, bearings, inner rings of the bearings, a limit rotating clamp ring, a limiting block, an elastic steel piece and a pressing handle, the gears are movably connected to the front and rear ends of the bottom end of the inner side of the device shell, the screw is arranged in the middle of the bottom of the inner side of the device shell, the gears and the screw are meshed, the end surface of one side of the screw is nested with the inverted triangular block, the inner middles of the gears are clamped with the lifting nails, the outer surfaces of the lifting nails are fixedly connected with the threads, the bottom surfaces of the lifting nails are fixedly connected with the cards, the topsurfaces of the lifting nails are fixedly connected with the clamping blocks, and the bearings sleeve the outer surfaces of the lifting nails.

The invention discloses a multifunctional automobile sunshade umbrella, which can be used for solving the defects in the prior art that no special sunshade devices for large mechanical equipment such as automobiles and the like exist so that the comfort and safety when the large mechanical equipment such as automobiles are used at high temperature in summer are greatly decreased. The sunshade umbrella comprises a supporting box, a foldable sunshade umbrella movably connected with the supporting box and an actuating unit arranged inside the supporting box, wherein the umbrella cover of the foldable sunshade umbrella is divided into two parts of a front umbrella cover and a back umbrella cover. Based on the above, the invention further discloses an application method of the multifunctional automobile sunshade umbrella. The multifunctional automobile sunshade umbrella is simple in structure and low in cost, fills the market vacancy of automobile sunshade umbrellas, and has wide market prospect. Therefore, the multifunctional automobile sunshade umbrella is suitable for large-scale popularization and application.

The invention discloses a foldable rotor wing bracket of an unmanned aerial vehicle. The bracket comprises a power propeller bracket, and a rack connection fixing piece which is fixed together with the power propeller bracket, wherein a propeller fixing part is arranged at the lower part of the power propeller bracket, a rotary column is arranged at the upper part of the power propeller bracket, at least one convex bar parallel to the axial direction is arranged at the outer side of the rotary column, the middle part of the rack connection fixing piece is provided with a cylindrical hole matched with the rotary column, and the wall of the cylindrical hole is provided with at least two grooves corresponding to the convex bars; a clamping ring is arranged at the upper end of the rotary column, the upper end of the cylindrical hole is provided with a lug boss matched with the clamping ring, the rotary column is arranged inside the cylindrical hole in a sleeving manner, and the end part of the rotary column is fixed together with the clamping ring through the lug boss. The foldable rotor wing bracket of the unmanned aerial vehicle can be folded after flight, and the volume of the folded unmanned aerial vehicle is reduced, so that the unmanned aerial vehicle is convenient to carry.

The invention belongs to the field of medical equipment, and particularly relates to a nephropathy hemodialysis bed which comprises a bed board, a placement plate is fixedly mounted on the surface of the bed board, a warping plate is fixedly connected to the left side of the placement plate, a groove is formed in the right side of the placement plate and used for being connected with a handheld block, and fixing seats are fixedly mounted on the two sides of the placement plate. The kidney disease hemodialysis bed comprises a bed plate, a warped plate is fixedly mounted at the top end of the bed plate, springs are fixedly mounted at the bottom of the warped plate, a cushion plate is fixedly mounted at the left end of the bed plate, a cushion block is slidably connected through the cushion plate, a sliding groove is formed in the top of the cushion block and used for being connected with a connecting rod, and a backup plate is fixedly mounted at the top end of the connecting rod. The front arms of a patient can be well stretched, the designed hand-held design can well keep a hand-held posture of the patient, the front arms of the patient are naturally relaxed during hemodialysis, discomfort can be greatly reduced, the designed adjustable backrest design can well solve the problems of patients with different heights, and practicability is greatly improved.

The invention belongs to the field of plant cultivation methods, and particularly relates to a distributed method for cultivating male and female Chinese yews. The distributed method for cultivating male and female Chinese yews comprises the following steps of finding a large open area on a hillside or mountain land facing to the northeast during the time range from February to March, and arranging male Chinese yews without overlap in an outer ring according to a ratio of 1 to 10 which is the optimal pollination ratio of Chinese yews. The Chinese yews are arranged in a way that wind paths cannot be blocked, two distribution modes can be selected, the effect of pollination is better by adopting the mode that wind blows from the upper hillside to the lower hillside, an interval is taken into account at the same time, because buds of staminate flowers can be blown to pollinate stigmas of female Chinese yews under the condition of a proper interval. The dosage of a flower and fruit protective solution is added compared with artificial pollination, so the pollination can be accelerated during blowing. The distributed method for cultivating male and female Chinese yews is simple in steps, artificial pollination is needless after transplant, the Chinese yews can be naturally pollinated and fruit, and the Chinese yews can more quickly growth up through naturally pollination.

The invention specifically relates to a copper rod, belonging to the technical field of copper rods. The copper rod comprises a copper cover, antiskid lines, a copper round rod, a finger pressing plate, a round copper plate, a round copper block, crosshead bolts, a square-mouth through hole, a reset spring, a square-mouth groove, a rectangular guide block, a movable pin, a first torsion spring, acolumn groove, a threaded hole, a second torsion spring, a shaft rod and a single-groove copper wheel. The copper rod is reasonable in design, and glass cutter heads with connecting structures of different specifications and sizes can be fixedly connected by adjusting the distances among the three crosshead bolts, so the function of knocking a to-be-cut plate structure in a reciprocating manner via a glass tool bit is realized, and scrapped plate structures at one sides of scratches can be conveniently knock off; and a thin wire which is wound on the single-groove copper wheel and soaked withprinting ink is pulled out of the copper cover to approach the surface of a corresponding structure in a linear mode, then two ends of the thin wire are fixed, and the thin wire is loosened and pulledupwards for snapping of the thin wire, so the auxiliary function of drawing a straight line on the surface of the corresponding structure is achieved.