21 results about "Ring block" patented technology

The utility model discloses a well hook type anti-falling device which comprises a sewer well, two square grooves are formed in the front side of the sewer well, supporting blocks are arranged in the square grooves, the outer sides of the supporting blocks are fixedly connected with first circular ring blocks, the lower sides of the first circular ring blocks are fixedly connected with rope structures, and the lower sides of the rope structures are fixedly connected with second circular ring blocks. And a plurality of rope structures are arranged, the other ends of the rope structures are fixedly connected with second circular ring blocks, the inner sides of the second circular ring blocks are fixedly connected with anti-falling nets, and a fixing structure is arranged in the square groove. Compared with the prior art, due to the arrangement of the square groove, the supporting block, the first circular ring block, the rope structure, the second circular ring block, the anti-falling net, the fixing structure and the protection pad, people who slip into the sewer well can be conveniently protected against injury, when the anti-falling net needs to be replaced, workers can replace the anti-falling net without the help of tools, time and labor are saved, and convenience and rapidness are achieved.

The utility model relates to a spinning equipment technical field, concretely to a hollow silk spinning equipment, including the shell, be provided with extrusion mechanism on the shell, the extrusion mechanism includes: the input slot, the input slot is set up on the inner wall of shell, the inner wall of shell is fixedly connected with hollow block, the inner wall of hollow block is provided with mixing chamber, the inner wall of hollow block is provided with the hole ring block, the bottom of hollow block is fixedly connected with ring type cylinder, the top of hollow block is fixedly connected with trachea, the inner wall of hollow block is seted up with the air -jet mouth. The utility model discloses the extrusion mechanism is set up, and the two layers of mesh round disc of hole ring block are used to melt forcedly divide into multiple thin small stream bundle and cross confluence, effectively reduce the problem that material distribution is uneven, and nitrogen is injected to the middle part of blank simultaneously through trachea and forms rigid support, prevent high temperature melt from collapsing because of low self -strength, ensure that blank maintains the preset big hollow form.

This application provides a support arm and a medical device. The support arm includes an arm body, a locking pin, and an anti-disengagement ring. The arm body has a connector with a locking groove and a sliding groove. The locking pin is inserted into the locking groove. The anti-disengagement ring has a mating structure. The sliding groove includes at least one first groove segment and at least one second groove segment arranged at an angle, one of which is a locking groove segment. When the mating structure moves within a groove segment other than the locking groove segment, the anti-disengagement ring blocks at least a portion of the locking groove. When the mating structure is located in the locking groove segment, the locking groove is exposed, allowing the locking pin to be inserted into or removed from the locking groove. The support arm provided by this application does not require screws or other fasteners, has a simple assembly method, and avoids the phenomenon of missing fasteners. It has high assembly stability and a high aesthetic appearance. It also reduces the inconvenience of fastener disinfection during disinfection and wiping.

The utility model relates to the technical field of medical instruments, in particular to an anti-opening sample tube which comprises a tube body and a tube cover in threaded connection with the tube body, an annular block is formed on the outer side of the tube body, and a sleeve which covers the annular block and can also extend into the tube cover is connected to the outer side of the tube body in a sleeved mode. The elastic part is located in the sleeve and located above the ring block, a plurality of guide blocks which are all connected with the ring block in a sliding mode are formed on the inner side of the sleeve, a plurality of upper teeth which extend upwards are formed on the top of the sleeve, and a plurality of lower teeth which can be meshed with the upper teeth are formed in the tube cover. According to the anti-opening sample tube, the tube cover and the upper portion of the tube body are screwed tightly, when the tube cover rotates clockwise, the upper teeth of the tube cover push the lower teeth, so that the sleeve downwards extrudes the elastic part until the tube cover is screwed to the limit, and under the action of the elastic part, the sleeve can be pushed to eject upwards, so that the upper teeth and the lower teeth are meshed; therefore, the effect of locking the pipe cover can be achieved through meshing, and loosening or mistaken opening is prevented.

The utility model belongs to the field of medical treatment, and particularly relates to a special drainage nursing device for the hepatobiliary surgery department, which comprises a drainage bag, a drainage tube is fixedly connected to the top end of the drainage bag, a limiting assembly is arranged on the surface of the drainage tube, and the limiting assembly comprises a clamping sleeve sleeved on the surface of the drainage tube. An adjusting assembly is arranged on the surface of the limiting assembly. According to the utility model, the semi-circular ring block is sleeved on the bed edge of a sickbed, at the moment, the two arc-shaped rods abut against the upper side and the lower side of the bed board under the resilience force of the pressure spring, and the clamping sleeve is fixed on the bed edge of the sickbed, so that a drainage bag is stably hung below the bed edge, and a patient is prevented from feeling uncomfortable due to contact with a pin and the like when turning over; when the patient needs to move, the second connecting pipe is rotated to drive the semicircular ring block to be in the horizontal state, the wrist of the arm is sleeved with the semicircular ring block at the moment, the drainage bag does not need to be hung on an upper garment through a pin at the moment, and then the body is prevented from being punctured by the pin accidentally.

The utility model discloses a mechanical sealing device for a bulk-to-container pump, which comprises a shaft sleeve, a gland is arranged on the peripheral side of one end of the shaft sleeve, a static ring and a moving ring are arranged on the inner side of the gland, a push ring is elastically and slidably matched with the peripheral side of the other end of the shaft sleeve, an annular groove is arranged in the gland, and a plurality of convex grooves are arranged on the peripheral side of the static ring. A first ring block is arranged on the inner side of the annular groove, and a second ring block is arranged on the inner side of the annular groove in a sliding fit mode. The second ring block in sliding fit with the inner side of the annular groove can drive the second push blocks to synchronously perform transverse horizontal movement, so that the second push blocks synchronously extrude the first push blocks, and one ends of the first push blocks extend into the convex grooves and are in clamping connection with the convex grooves; the gland and the static ring are fixed, so that the whole mechanical seal is in a container type, the operation is simple, and the occurrence of mechanical seal faults caused by installation errors is reduced.

The utility model relates to the field of hepatobiliary surgery, and discloses a vomit collecting device which comprises a liquid storage shell, a storage groove is formed in the front side of the liquid storage shell, a collecting and storing box is arranged on the bottom face of the liquid storage shell, and a collecting assembly is arranged in the storage groove. The collecting assembly comprises telescopic rods, fixing ring blocks, a vomit collecting cover, a discharging pipeline and a spring type supporting rod, the two telescopic rods are hinged to the inner side wall of the storage groove, the fixing ring blocks are fixedly installed at the telescopic ends of the two telescopic rods, and the vomit collecting cover is fixedly installed on the inner wall faces of the fixing ring blocks. The vomitus collecting cover of the device not only facilitates collection of vomitus of a patient and improves adaptability and flexibility, but also can prevent peculiar smell from diffusing when the vomitus collecting cover is stored, and is convenient to clean, compact and attractive in overall structure and high in practicability.

The invention discloses a portable oral cavity scanner, and relates to the technical field of oral cavities, the portable oral cavity scanner comprises a storage cabin, a detection probe is slidably connected in the storage cabin, high-definition transparent lenses are mounted on both sides of the detection probe, and an angle adjusting mechanism is arranged in the detection probe; the angle adjusting mechanism comprises a positioning plate, first limiting plates are fixedly connected to the two ends of one side of the positioning plate, and meanwhile first semi-ring blocks are rotationally connected to the middles of the first limiting plates; through the arrangement of the angle adjusting mechanism, the scanner can flexibly swing in the X direction and the Y direction in the detection probe, the scanning angle can be adjusted without overall overturning of the probe, the semi-ring block driven by the micro motor swings to be matched with the cross annular groove, the scanner can complete multi-angle deflection in a small range, and the scanning precision is improved. The moving range of the probe in the oral cavity is greatly reduced, direct collision and interference between the probe and teeth and gingiva are avoided, discomfort such as nausea and pain of a patient is reduced, and scanning interruption caused by interference is effectively prevented.

The utility model belongs to the technical field of flame inoculation, and particularly relates to an anti-bacterial flame and differential pressure inoculation device which comprises an incubator, a feeding pipe fixedly mounted at the top of the incubator, a sealing cover mounted on the feeding pipe in a threaded manner, an annular block sleeved on the peripheral side of the feeding pipe, a combustion groove formed in the top of the annular block, and a sealing cover mounted on the sealing cover, two clamping grooves are formed in the top of the incubator and located at the bottom of the annular block, clamping blocks are fixedly installed at the bottom of the annular block and located in the two clamping grooves, and rubber pads making contact with the inner walls of the clamping grooves are fixedly installed on the clamping blocks; the handle is fixedly installed on the peripheral side of the annular block, a rectangular rod is fixedly installed on the handle, and a sliding groove is formed in one side of the rectangular rod. When a person touches the handle accidentally, the annular block cannot shake, cotton in the combustion groove is prevented from being scattered out, the person does not need to use wet cleaning cloth when the flame is extinguished, and the operation is convenient. And flames can be extinguished without contact, so that potential safety hazards are avoided.

The utility model discloses a head fixator, which belongs to the technical field of medical equipment and comprises a bottom rod, bandages are fixedly connected to the side wall of the bottom rod in a bilateral symmetry manner, the ends of the two bandages are connected in an inserted manner through a bandage fixing part, a first driving mechanism is arranged at the top of the bottom rod, and a connecting rod is connected to the top of the first driving mechanism. A second driving mechanism is arranged on the front side of the connecting rod, and the bottom of the second driving mechanism is connected with a fixing cap. Ring blocks are fixedly connected to the bottom of the fixing cap in a bilateral symmetry mode, an elastic bandage is connected between the two ring blocks, and the two ends of the elastic bandage are connected with the two ring blocks through bandage fixing pieces respectively. Through the mode, the first driving mechanism can adjust and fix the front-back tilting angle of the head of the patient, and the second driving mechanism can adjust and fix the left-right rotating angle of the head of the patient, so that the position of the head of the patient is kept stable, medical staff can conveniently and manually treat the patient through a reduction technique, and the treatment effect is improved.

The application discloses an adjustable laser ablation catheter support which is installed on a catheter sleeve and used for adjusting the insertion direction of a catheter body when the catheter body is inserted into a body, and comprises a mounting ring block, a plurality of groups of rotating wheel mechanisms arranged on the inner side of the mounting ring block, the rotating wheel mechanism comprising two sliding mounting plates penetrating through the mounting ring block, a rotating shaft rotating between the mounting plates and a rubber wheel arranged in the middle of the rotating shaft and adhering to the outer wall of the catheter body, an elastic assembly used for driving the rubber wheel to extrude the catheter body, and a positioning assembly used for limiting the rotation of the rotating shaft and the rubber wheel. The application is installed on the outside of the catheter sleeve, utilizes the torsional conductivity of the laser ablation catheter or the endoscope tube wall, and adjusts the insertion direction of the catheter or the endoscope tube in the body by matching the friction control of the rubber wheel, so that the longer laser ablation catheter can be inserted into the body from different angles, the fine operation of hands is not needed, and the application is more suitable for beginners of brain tumor operation.

The guide mechanism for the screw feeder comprises a feeder body, feeding holes are formed in the top of one side of the feeder body at equal intervals, L-shaped plates are installed at the front end and the rear end of the top of one side of the feeder body, and fixing plates are installed at the opposite ends of the two L-shaped plates. A through hole is formed in the top of the fixing plate in a penetrating mode, and a guide assembly is arranged on the inner side of the through hole. The threaded rod is in threaded connection with the second guide pipe, the connecting annular plate can be driven to move up and down through rotation of the threaded rod, then the third guide pipe can be controlled to move up and down, the feeding device can adapt to feeding holes of different heights, the adaptive capacity is high, and practicability is good; and the arranged inclined circular ring block can support the position of the air suction assembly in the prior art, and the problem that an adsorption head of the air suction assembly is possibly damaged due to direct contact with the screw feeding machine is avoided.

The invention relates to the technical field of manipulators, and discloses a manipulator with a movable metacarpal bone mechanism, comprising: a main frame for providing a support frame; the metacarpal bone mechanism is arranged on the main frame; the mechanical phalanges are arranged on the metacarpal bone mechanism; the metacarpal bone mechanism is arranged on the main frame, the wrist transverse arch mechanism is arranged on the main frame, the number of the mechanical phalanges is three, and one of the mechanical phalanges is connected to the metacarpal bone mechanism. According to the manipulator with the movable metacarpal bone mechanism, the metacarpal bone mechanism is arranged, so that a mechanical phalanx mounted on a phalanx connecting frame not only has a bending grabbing function, but also can integrally rotate in the longitudinal arch direction under the synergistic effect of an electric control telescopic rod I, a vertical main shaft, a main driving ring block, a pull rope and an auxiliary driving ring block; therefore, the longitudinal arch movement of the metacarpal bone of a human hand is simulated, and the enveloping capability and the grabbing stability of the manipulator under different target object shapes are effectively improved.

The application discloses a multifunctional ureter guide sheath, and relates to the technical field of urinary surgery instruments, which comprises a handle, a sheath tube and a magnetic pole net film, the sheath tube is coaxially arranged in the handle, the magnetic pole net film is arranged at one end of the sheath tube and used for wrapping the end of the sheath tube, the magnetic pole net film comprises a magnetic pole ring block, a sensing wire, a position sensor and a film, the film is wrapped on the end of the sheath tube to form a spherical surrounding structure, the magnetic pole ring block is arranged at the end of the spherical surrounding structure formed by the film, the magnetic pole ring block is provided with an opening coaxial with the sheath tube, a cavity formed in the film is communicated with the opening of the magnetic pole ring block and the inner space of the sheath tube, and a plurality of position sensors are arranged and distributed at intervals in the cavity formed by the film, and the position sensors are used for recording and feeding back the position information of the front end of the guide sheath in real time. The application has the effect of improving the positioning efficiency of the guide sheath.

The utility model provides a built-in filling type pipe structure, and relates to the field of pipe structures, the built-in filling type pipe structure comprises a pipe body, a plurality of limiting devices are arranged on the outer surface of the pipe body, through the arrangement of the limiting devices, when the pipe body is not used or needs to be transported, the pipe body can be manually rolled up, and the pipe body can be conveniently transported. After the bandage is wound around the rolled part for a circle, the end of the bandage is inserted into the inner wall of the square ring block, and then the end of the bandage is folded back, so that the first clamping block is inserted into the corresponding clamping hole, the bandage is primarily limited, and then the hook face hook-and-loop fastener on one side is adhered to one side of the loop face hook-and-loop fastener to secondarily limit and fix the bandage; and the pipe body can be limited and fixed after being wound, so that the situation that the pipe body is scattered on the ground and easily occupies the storage and placement space during storage and transportation can be avoided, the space utilization rate is increased, and the pipe body can be conveniently stored and transported.

The application belongs to the technical field of medicine multistage purification, and discloses a tetrandrine multistage purification device containing ion liquid modified chromatography medium, which comprises chromatography columns, the chromatography columns are provided with three, upper and lower sealing plates are respectively fixedly connected to the top and bottom of the three chromatography columns, the cooperation of the structures of the horizontal plate, ring block, movable ring plate, vertical rod, upper rotary disc and lower rotary disc in the rotary switching mechanism is provided, double holes are formed in the upper rotary disc, three circular holes are formed in the lower rotary disc, when the horizontal plate rotates, the upper rotary disc and the lower rotary disc are synchronously rotated by the vertical rod, the double holes are aligned with the inlet of the next chromatography column, and the three circular holes are aligned with the outlet of the corresponding chromatography column, so that the seamless station switching between the multiple chromatography columns is facilitated, the operator only needs to rotate the horizontal plate to complete the synchronous switching of the inlet and outlet of the chromatography column, the chromatography column does not need to be stopped and balanced, the purification process is continuous and uninterrupted, and the production efficiency is greatly improved.

The utility model provides a kind of intercepting well, including well body, the outer wall of well body is fixedly installed with the drainage pipe being connected with its inner cavity, the top of well body is fixedly connected with installation ring block, the middle part of installation ring block is provided with the well lid with multiple holes, the inside of well body is provided with intercepting cylinder and intercepting disc, the intercepting cylinder is located the top of intercepting disc and is fixedly connected with it, the circumferential side of intercepting cylinder and the upside of intercepting disc are all provided with multiple drain holes, connecting assembly is arranged between well lid and intercepting cylinder and well body. By adjusting the corresponding relationship of disc and well lid indicating block, it can be individually moved upward and fixed height by bevel clamping block and clamping groove, at this time, well lid is opened to form larger drainage passage, meet short time large amount of drainage demand;When indicating block is oppositely arranged by rotating handle 180 degrees, well lid is firmly connected with intercepting cylinder, can be linked to lift to well body opening, facilitate directly cleaning the dirt in intercepting disc and intercepting cylinder.

The utility model is applicable to the technical field of roller conveyors, and provides a roller structure with a replaceable roller skin for a roller conveyor, which comprises a transversely arranged device pipe with two open ends, and the inside of the device pipe is rotatably connected with a rotating shaft coaxial with the device pipe. According to the roller structure with the replaceable roller skin for the roller conveyor, by arranging the device pipe, the rotating shaft, the first ring blocks and the second ring blocks, when the roller skin needs to be replaced, the rotating shaft is rotated to drive a second connecting piece and the second ring blocks to rotate synchronously till the first ring blocks and the second ring blocks are overlapped, and at the moment, the whole roller body is semicircular; when the roller body is cylindrical, the roller body does not limit the roller body, at the moment, the old roller body can be detached and sleeved with a new roller body, then the rotating shaft is rotated again until the first ring block and the second ring block are in a mutually symmetrical state, and at the moment, the roller body is cylindrical and can support and fix the roller body, so that replacement of the roller body can be completed. And the whole roller body does not need to be replaced after the roller skin is abraded, so that the cost is saved.

Recyclable cylindrical structures and usage methods are provided. A recyclable cylindrical structure includes multiple prefabricated cylindrical units. Each unit is provided with a ring block coaxially fixed on the top of the unit, a ring slot coaxially formed in the bottom of the unit, two first sealing rings arranged on the top of the unit and a second sealing ring arranged on the top of the ring block of the unit. The ring block is provided with multiple first connection elements. Multiple second connection elements are arranged in the ring slot. For two adjacent prefabricated cylindrical units of the recyclable cylindrical structure, the ring block of the lower unit inserts into the ring slot of the upper unit and the first connection elements of the lower unit are corresponding and jammed one-to-one with the second connection elements of the upper unit.

The pair of multifunctional scissors for hip joint replacement comprises two scissor heads and two scissor handles, one end of each scissor handle is connected with the corresponding scissor head, the other end of each scissor handle is connected with a finger ring block, the two scissor heads are symmetrically designed and are of an arc-shaped structure, the bottoms of the scissor heads are bottom blades, and the opposite sides of the two scissor heads are edge blades. The pair of surgical scissors has the advantages that the blades are arranged on the side edges and the bottom of the tool bit, the bottom blade is used for shearing tissues such as glenoid lips, the side blades are used for shearing tissues such as ligaments, the pair of surgical scissors has the function of universal scissors, functionality is high, surgical operation amount is reduced, and meanwhile operation difficulty is lowered; the cutter head is directly fixed on the cutter handle, and the structure is simple; the scalpel head is in a spherical four-side shape and can well clean tissues on the inner side of the acetabulum.

The application discloses a kind of characterization protection methods for ring block friction pair transfer film, belong to the field of friction testing technology.The method effectively protects the transfer film on the surface of friction pair material by using back type protective tape, avoids the pollution caused by cutting fluid to the surface during cutting process, and ensures the structural integrity of transfer film and the composition and bonding structure analysis of transfer film.According to the difference of test environment conditions, the thickness and material of the second functional layer can be adjusted and optimized to effectively maintain the original state of the analyzed area of the ring sample after friction test under different test environment conditions, so that the subsequent characterization analysis result is more accurate, which helps to further analyze the ring block friction and wear mechanism under different conditions.The method is simple in operation, economical in cost, suitable for transfer film protection of ring samples of various sizes and various conditions, and can effectively protect the transfer film without affecting the accuracy of friction and wear characterization results.