36results about How to "Stretch out" patented technology

The invention relates to a bag propping-up mechanism. The bag propping-up mechanism comprises a mounting plate, two oppositely-arranged bag propping-up claws and a driving device. The two bag propping-up claws are separately fixed to both sides of the driving device through connecting pieces, and the spacing between the two bag propping-up claws is changed by the expansion and contraction of the driving device. The bag propping-up claws are provided with vacuum cavities, the bag propping-up claws are provided with a plurality of suction holes, and the vacuum cavities communicate with the suction holes. The vacuum cavities communicate with vacuum generators. The two bag propping-up claws are located in a bag, and air is sucked inwardly through the suction holes to enable the bag to be adsorbed on the outer walls of the bag propping-up claws. Meanwhile, an existing bag propping-up method is improved, a slightly opened bag opening is further opened by the bag propping-up claws, the bag isstably adsorbed on the bag propping-up claws through the suction holes, the bag is not prone to being broken caused by propping up or causing slipping of the bag, the structure is simple, the propping-up effect of the bag opening is good, the adaptability is high, and material loading is convenient.

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 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 discloses a trigger tool. The trigger tool comprises a tool body, a tool rest, a tool blade, an elastic part, a trigger, a transmission mechanism and a baffle plate, wherein the tool rest is sidably connected with the tool body; the tool blade is connected with the tool rest; the elastic part is used for providing elastic force for the tool blade to retract in a inner cavity of the tool body; the trigger is rotatably arranged on the tool blade to be capable of moving in the tool body; part of the trigger is exposed out of the tool body; the transmission mechanism comprises a first rack, a first wheel gear, a second wheel gear and a second rack; the first wheel gear and the second wheel gear are both in pivotal connection with the tool body; the center axis of a rotating shaftis perpendicular to the sliding direction of the tool rest; the first rack is arranged on the trigger and is engaged with the first wheel gear; the second rack is arranged on the tool rest and is engaged with the second wheel gear; the extending direction of the second rack is the same as the sliding direction of the tool rest; a groove is formed in the tool rest; the extending direction of the groove is the same as the extending direction of the tool rest; and when the tool blade extends in place, the baffle block abuts against the sidewall of the groove. The trigger tool is easy to draw andthe drawing distance is longer.

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 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 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 discloses a trigger knife. The trigger knife includes a knife body, a knife holder, a blade, an elastic member, a trigger, a transmission mechanism and a block. The knife holder and the knife body are slidably connected, the blade is connected to the knife holder, and the elastic member is used for The blade provides an elastic force to be retracted into the inner chamber of the knife body, and the trigger is rotatably arranged on the knife body, so that the trigger can move in the knife body, and its part is exposed to the knife body. The transmission mechanism includes a first rack, a first gear, a second Two gears and a second rack, the first gear and the second gear are pivotally connected with the knife body, the central axis of the rotating shaft is perpendicular to the sliding direction of the tool holder, the first rack is arranged on the trigger and meshes with the first gear, and the second gear is engaged with the first gear. The second rack is arranged on the tool holder and meshes with the second gear, and the extension direction of the second rack is the same as the sliding direction of the tool holder; the tool holder is provided with a groove, and the extension direction of the groove is the same as the extension direction of the tool holder. When the blade is extended into place, the stop abuts against the wall of the groove. The trigger knife is easy to cut and has a longer distance.

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 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 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.