29results about How to "Adequate fit" patented technology

The application discloses a kind of bistable suction disc devices for enhancing the performance of microneedle and preparation method thereof, belong to medical instrument technical field, the bistable suction disc device structure includes elastic hemispherical shell, and the outer wall of elastic hemispherical shell is provided with convex column, and the axis of convex column and elastic hemispherical shell coincides, and the inner wall of elastic hemispherical shell is provided with microneedle patch mounting platform, and microneedle patch mounting platform is located just below the convex column, and the platform is combined with microneedle patch;Elastic hemispherical shell includes first stable state and second stable state, and first stable state is open downward state, and second stable state is open upward state, and it changes first stable state and second stable state when using, so that the negative pressure area between the inner wall of elastic hemispherical shell and skin, enhance the drug delivery efficiency of microneedle on microneedle patch and skin interstitial fluid collection amount.The bistable suction disc device has wide application prospect in the field of biomedicine.

The application provides a kind of based on multi-muscle deep cavity belt flat plate forming system, including transport device one and transport device two, preheating mechanism, auxiliary forming mechanism and punching equipment are arranged between transport device one and transport device two, the main role of auxiliary mould device in the operation process is that skin material can be quickly and fully adhered to the cavity in mould, so that pocket forming is more square, sufficient, and the strength of pocket forming for multi-muscle or multi-cavity structure is higher;It can effectively improve the forming effect and strength of multi-cavity and pocket deep belt product, so that the skin material will be pressed by the auxiliary mould during forming, and the pressure during blowing is more concentrated, which is beneficial to the blow molding of the softened skin material after heating.The stress of pocket bottom is uniform, the forming effect is good, and the strength of the formed pocket is high, and deformation is not easy to occur.

A coil connection device for an openable induction heating device is disclosed, relating to the structural design of the connection device and the connection method between the connection device and the coil. Commonly available traditional induction heating devices typically employ a fixed structure, which is difficult to adapt to workpieces of different shapes and sizes, resulting in uneven heating and affecting processing quality. Openable induction heating devices, through the design of an openable inductor structure, achieve flexible clamping and uniform heating of the workpiece. However, the rigid connection of openable induction heating devices often suffers from problems such as arcing, severe wear after repeated use, and high maintenance difficulty and complexity. To solve these problems, this invention provides a connection device. This device increases the contact surface of the coil by L-shaped welding of a copper plate and a coil, and by assembling a graphite sheet between the copper plates, which is beneficial for the passage of large currents. Furthermore, the detachable graphite sheet not only ensures the passage of large currents but also significantly reduces the maintenance threshold and cost.

The application relates to the technical field of filtration, in particular to a graphene filter film and a preparation method thereof. The graphene filter film comprises a first non-woven fabric layer, a graphene layer and a second non-woven fabric layer arranged in sequence, the layers are embedded with each other at connecting positions, and the weight percentage of the graphene in the graphene layer is greater than or equal to 90%. The graphene filter film provided by the scheme can increase the contact area of graphene with the outside world, so that the adsorption and filtration effects of graphene can be better exerted.

The utility model relates to the technical field of rubber sheet production, in particular to rubber sheet and cloth pressing equipment. According to the technical scheme, the device comprises a fixing frame and pressing rollers, the two pressing rollers are rotationally installed on one side of the outer surface of the fixing frame from top to bottom, and two upper flattening rollers and two lower flattening rollers are rotationally installed on the side, away from the pressing rollers, of the outer surface of the fixing frame and close to the upper surface and the lower surface from top to bottom correspondingly; and spiral lines are symmetrically arranged on the outer surfaces of the two upper flattening rollers and the two lower flattening rollers. The rubber sheet and the cloth can be flattened before being pressed, wrinkles on the rubber sheet and the cloth are eliminated, the rubber sheet and the cloth can be fully attached when being pressed, the binding force between the rubber sheet and the cloth is improved, the rubber sheet and the cloth are prevented from being separated, the service life is prolonged, and the production cost is reduced. And meanwhile, the flatness of the surface of the laminated sheet is improved, and the appearance quality is improved.

The utility model discloses a tray type laminated cutting board relates to cutting board technical field, include: tray, a plurality of threaded rods are fixed perpendicularly in the top surface edge of tray in annular array mode, thin cutting board is superposed in tray top, be equipped with the nut hole of corresponding threaded rod position on thin cutting board, the nut hole is blind hole and depth is greater than standard nut height, nut is screwed on threaded rod and is contained in nut hole completely, wherein, thin cutting board is detachably fixed on tray through the cooperation of nut and threaded rod, the utility model discloses thin cutting board wears, and the nut is loosened and can be replaced, embody the convenience, the rubber pad of counterweight base and thin cutting board contact surface, buffer reduces vibration and noise, enhances thin cutting board stability, makes two adhere fully, avoids rubbing damage.

This utility model relates to a tissue separation device for spermatic vein ligation surgery, belonging to the field of male infertility surgery and medical devices. The separation device includes an intermediate pad with a central groove for accommodating a movable soft coil; hooks are provided on the opposite end face of the intermediate pad opposite the groove. The hooks bend downwards on both sides, effectively fixing the external spermatic fascia and cremaster muscle, fully exposing the surgical area. The silicone soft coil can be inserted between the blood vessels (testicular artery, pampiniform plexus) and the cremaster muscle, fully exposing the vessels to be ligated. The tissue separation device for spermatic vein ligation surgery provided by this utility model uses a medical-grade silicone soft coil, which has good biocompatibility, allows for flexible intraoperative operation, and its softness avoids damage to blood vessels.

The utility model relates to electronic product assembly technical field discloses a kind of electrically-conductive parts mounting equipment, comprising: bearing, including insertion section and exposed section, insertion section is connected with exposed section and is equipped with via, bearing is equipped with cavity and bearing surface, bearing surface is at least partially located insertion section, for bearing electrically-conductive parts, via is through bearing surface, cavity is communicated with via and is through the surface of exposed section;Limit protrusion, be located at the outer circumferential surface of exposed section;Jacking part, insert in cavity, and from exposed section, jacking part has jacking protrusion, jacking protrusion is movably inserted in via.The electrically-conductive parts mounting equipment of the utility model has the advantages of simple operation, electrically-conductive parts is not easy to deviate, yield and production efficiency is high.

The utility model relates to the technical field of vehicle workpiece machining, and discloses a chamfered workpiece auxiliary positioning device which comprises a base, a workpiece frame arranged at the top of the base and used for clamping a workpiece body, and a positioning assembly arranged at the bottom of the workpiece frame and used for positioning the top workpiece body. The positioning assembly comprises a support piece fixedly connected with the workpiece frame, an air cylinder arranged on the support piece, an output rod which is embedded in the air cylinder and extends out towards the side close to or away from the gear part, and a positioning piece which is arranged on the side, away from the air cylinder, of the output rod and abuts against the gear part. The air cylinder pushes the output rod to drive the positioning piece on the top to move in the direction close to the gear part, the top end of the positioning piece is embedded into a tooth groove of the gear part at will, positioning of a workpiece body is achieved, the smoothness of the tooth finding process is improved, and the top end of the positioning piece is made of nylon, so that in the process of making contact with the surface of the gear part, the tooth finding precision is improved. And the risk of crushing the tooth surface is avoided, and different tooth space gaps on the gear part can be adapted.

The invention relates to the technical field of plastics, in particular to an ultrathin micro-texture mobile phone rear cover plate and a preparation method thereof. The method comprises the following steps: carrying out end group regulation on polyhexamethylene adipamide resin through hexamethylene diamine, and carrying out melt blending on the polyhexamethylene adipamide resin, tetraethyl orthosilicate and hydroxyl-terminated polydimethylsiloxane through a sol-gel reaction to obtain hybrid inorganic powder; hydroxyl-terminated polydimethylsiloxane and hexamethylene diisocyanate are sequentially added by adopting a step-by-step feeding strategy for modification. And then molding in a mold with micro textures through an injection molding-compression molding process, and carrying out limited annealing treatment. According to the invention, the problems of incomplete micro-texture copying, easy scratching and poor thermal dimensional stability of the ultrathin plate are effectively solved, and high-precision texture transfer, excellent surface scratch resistance and long-term flatness of the plate with the thickness of 320-380 microns are realized.

The utility model relates to a carburized surface protective sleeve for cadmium plating of a propeller shell, which comprises an elastic sleeve, abutting ends used for elastically abutting against the inner wall of the propeller shell are formed on the outer walls of the two ends of the elastic sleeve, and an annular packing surface is formed on the outer wall of the elastic sleeve and located between the two abutting ends. The annular packing surface can directly face the carburizing surface of the propeller shell to isolate the carburizing surface; the elastic sleeve is designed on the basis of the cyaniding cadmium plating technological process, on the basis of the structure of the carburized surface of the propeller shell and on the basis of the size of the carburized surface, the elastic sleeve is fully attached to the carburized surface, and a power line is completely shielded, so that a cadmium plating layer is prevented from being deposited on a shielded part, and the elastic sleeve can easily enter and exit from an inner cavity of the carburized surface of the propeller shell; rapid mounting and dismounting are realized, a carburized surface can be fully attached, and shielding of a power line is realized.

The invention discloses a cardiovascular nursing device with a limiting function, and relates to the technical field of cardiovascular nursing. The nursing device comprises an inflation layer and a nursing layer, an inflation opening is formed in the outer wall of the inflation layer, a plurality of connecting belts are arranged on one side of the inflation layer in a sliding fit mode, a plurality of fixing bases are arranged on the other side of the inflation layer in a sliding fit mode, notches are formed in one sides of the fixing bases, clamping pieces connected with the connecting belts in a clamping mode are arranged in the notches, and the clamping pieces are connected with the inflation layer in a sliding fit mode. A handle connected with the clamping piece is arranged on the outer side of the fixed seat; the nursing layer comprises a plurality of medicine containing boxes which are sequentially connected, and the medicine containing boxes are all arranged on one side of the inflation layer. According to the nursing device, the connecting belts are arranged on the outer side of the inflatable layer, and the tightness degree of the connecting belts can be adjusted according to the physical condition and actual requirements of a patient, so that it is ensured that the nursing device is stably attached to the body of the patient, and the situation of displacement or looseness in the using process is avoided.

The utility model discloses an ultrasonic detector for ground surface crack detection, which relates to the technical field of ultrasonic detectors and comprises a host and a detection probe, a treading mechanism is arranged on the detection probe, the detection probe comprises a transducer and a data line, and the transducer is in data transmission with the host through the data line. The treading mechanism comprises a sliding sleeve, a pedal clamping plate and an elastic band, the sliding sleeve sleeves the outer end of the transducer and is slidably connected with the transducer, a first rotating shaft is arranged at the bottom of the side end face of the pedal, and the pedal is rotatably connected with the sliding sleeve through the first rotating shaft; the upper ends of the elastic bands are fixed to the ends, away from the second rotating shaft, of the clamping plates. The handheld ultrasonic detector has the advantages of being convenient to operate, efficient, stable and convenient to carry, and solves the problems that a traditional handheld ultrasonic detector is inconvenient to operate and low in efficiency and causes burden to the body of an operator.

The utility model discloses a medical suture belongs to medical supplies technical field. The medical suture includes suture body and the tail end setting of its stop flab, and stop flab width is greater than suture body, and is equipped with at least two orifices that can pass through suture body along suture body extension direction. When the above -mentioned medical suture is used to carry out tissue suture, by the abutment of stop flab and the tissue to be sutured, suture body is connected with tissue again after setting aperture, can make suture force evenly dispersed on stop flab, thereby dispersing force to greater area, significantly reduce the stress of tissue at the suture, reduce tissue deformation and breakage risk, especially suitable for the suture of fragile tissue, provide good environment for tissue healing. Meanwhile, stop flab increases the contact area with tissue, provides more stable support and fixed.

The application relates to an emergency rescue device, and discloses a rescue air cushion module and a combined device thereof. The rescue air cushion module comprises a square air bag, the square air bag is provided with an inflation opening, the square air bag is a hexahedron, the four side surfaces of the square air bag are provided with hook-and-loop magic tapes, and the rescue air cushion module is detachably connected with another rescue air cushion module through the hook-and-loop magic tapes. The combined device comprises a plurality of rescue air cushion modules, among the plurality of rescue air cushion modules, adjacent rescue air cushion modules are detachably connected through the hook-and-loop magic tapes on the square air bags. According to the application, the rescue air cushion is designed as an independent square air bag module, the side surfaces are provided with hook-and-loop magic tapes to realize detachable connection. During rescue, the shape and size can be flexibly spliced and adjusted according to narrow lanes, irregular terrains and the like, the complex terrain can be attached, the coverage range is enlarged, and the rescue success rate is improved. The modular design facilitates transportation and replacement, reduces the cost, and enhances the practicability and economy.

The utility model provides a kind of limiting device for bus duct production, belong to bus duct production technical field, including bus duct processing platform;Fixed plate is fixed in the top of bus duct processing platform;Stepping motor is fixed in the top of fixed plate;Rotating plate is fixed in the output end of stepping motor;Arc through slot is opened in the top of bus duct processing platform;Arc table is located in the inboard position of rotating plate outer side wall close to arc through slot;Ball screw one rotates in the inside of arc table;Limiting plate one is fixed in the output end of ball screw one by screw;The utility model can be adapted according to the included angle angle required for the butt joint of two bus ducts by the adjustment of relative angle between fixed plate and rotating plate, and under the limit of limiting plate one and limiting plate two, the limiting of two bus ducts in horizontal direction is realized, not only avoid misplacement of welding position, but also ensure the stability of bus duct position when welding.

The invention relates to the technical field of micro-nano manufacturing, in particular to a thermally induced deformation transfer device and method based on a graphene PTFE composite material, the thermally induced deformation transfer device based on the graphene PTFE composite material comprises a base, a first precision displacement table, a heat sink, a TEC module, a sample table, a second precision displacement table and a clamp; the top of the sample table is provided with a circular boss; one two-dimensional material sample is fixed on the circular boss through vacuum adsorption, another two-dimensional material sample needing to be transferred is clamped on the clamp through the heat release adhesive PDMS, the TEC module is controlled to be heated to the target temperature according to the calculated temperature rise rate, the sample table and the circular boss generate displacement in the vertical direction, and the two-dimensional material sample needs to be transferred. The two-dimensional material samples are attached without vibration, and the problem that in the prior art, when the two-dimensional material samples are attached, tiny vibration or impact or pressure concentration is introduced at the contact moment, and consequently the interface quality of the two-dimensional material is reduced is solved.

The application discloses a kind of high-end medical machinery intelligent detection cable and its manufacturing process, it is related to the field of cable manufacturing, high-end medical machinery intelligent detection cable includes multiple wire cores, metal shielding layer and insulating outer layer, metal shielding layer is simultaneously coated multiple wire cores, metal shielding layer is formed by spiral lap winding mode with soft copper band, soft copper band includes band main body, first bevel and second bevel, first bevel and second bevel are respectively located at the two sides of band main body, the included angle between first bevel and band main body is away from the center of metal shielding layer, the included angle between second bevel and band main body is towards the center of metal shielding layer, in the spiral winding state of soft copper band, second bevel is overlapped on first bevel.The spiral band ring is wound in the application with soft copper band, the second bevel of spiral band ring formed later is overlapped on the first bevel of spiral band ring formed earlier, first bevel and second bevel are not easy to form cutting effect to wire core, help to prolong the service life of cable.

The utility model discloses a hot press's floating type lower backplate subassembly belongs to hot press technical field, including base, the base top is equipped with hot pressure mould group, support subassembly, support subassembly installs in the base, and support subassembly arrangement is provided with a plurality, connecting component, connecting component installs at support subassembly both sides for connecting adjacent support subassembly, in the process of adhering to the board material and the decorative panel in the utility model, if the board material expands along with heating, the extrusion force that support plate received increases, and further makes the first spring further compression, simultaneously because support plate and support rod are connected through ball joint box ball joint seat between, thereby make support plate can be certain inclination when receiving the extrusion force that the board material's expansion produced, thereby further ensure that support plate can be closely contacted with board material, and further ensure that board material surface can adhere to decorative panel fully.

The application discloses a stable fitting valve clamping device and a valve clamping system. The stable fitting valve clamping device comprises a support, an adjusting part sleeved on the support and a clamping part rotationally connected to the support. The adjusting part is configured to have a three-dimensional structure with elasticity, and comprises a first closed end, a second closed end, an outer layer, an inner layer arranged between the outer layer and the support and a turnover layer. The first closed end and the second closed end are both sleeved on the outer side of the support. The turnover layer is transitionally connected to one end of the inner layer and the outer layer. The other end of the inner layer is connected to at least one of the first closed end and the second closed end. The first closed end and the second closed end are fixedly arranged relative to the support; or the first closed end and the second closed end are fixed in position and can move a small range relative to the support along the axial direction of the support. The valve clamping system comprises a conveying device and the stable fitting valve clamping device.

This invention provides a nested, zoned, controlled vacuum insert for film-coated injection molds. A first cavity is provided on the core-side main insert, and an external vacuum insert is disposed within the first cavity. A first vacuum gap, communicating with the cavity, is formed between the outer wall of the external vacuum insert and the inner wall of the first cavity. A first air passage is provided on the external vacuum insert, communicating with the first vacuum gap to form an outer air passage. A second cavity is provided on the external vacuum insert, and an internal vacuum insert is disposed within the second cavity. A second vacuum gap, communicating with the cavity, is formed between the outer wall of the internal vacuum insert and the inner wall of the second cavity. A second air passage is provided on the internal vacuum insert, communicating with the second vacuum gap to form an inner air passage. A main air passage, communicating with an external vacuum device, is provided on the insert body. The first and second air passages are connected to the main air passage. The overall design of this invention is simple, with a reasonable distribution of adsorption force, and also incorporates the characteristics of flexible production.

This utility model relates to a pneumatic handling robot arm for picking up and placing scooters into a box. It includes a base, a column fixedly mounted on the base, a column rotation joint at the top of the column, a primary swing arm with one end connected to the column rotation joint, an intermediate rotation joint at the end of the primary swing arm away from the column rotation joint, a secondary swing arm with one end connected to the intermediate rotation joint, a cylinder hinged to the secondary swing arm, a transmission mechanism, and a sponge suction cup clamp mounted on the free end of a steel wire rope. The transmission mechanism includes a steel wire rope and a guide mechanism. The guide mechanism is located on the secondary swing arm. One end of the steel wire rope is connected to the piston rod of the cylinder, and the other end passes around the guide mechanism and connects to the sponge suction cup clamp. This utility model provides a pneumatic handling robot arm for picking up and placing scooters into a box. This robot arm has unique structural layout features, aiming to safely, efficiently, and flexibly complete the grabbing and placing of scooters into the box.

The utility model provides an auxiliary device capable of adjusting the side edge fitting degree, and relates to the technical field of carton binding, the auxiliary device comprises a carton processing table, a fixed side plate is welded on the upper surface of the carton processing table, the upper end of the fixed side plate is connected with an electric sliding table through an electric push rod, and the lower end of the electric sliding table is movably connected with an adjusting plate frame; an adjusting screw rod is installed on the inner side of the adjusting plate frame, the surface of the adjusting screw rod is connected with a fixing column through a driving block, the lower end of the fixing column is connected with a rolling wheel through a supporting column, the outer side end of the fixing column is fixedly sleeved with a diagonal frame, an edge pressing roller is arranged at the outer side end of the diagonal frame, and the side end of the edge pressing roller is in shaft connection with a roller frame; the rear end of the roller frame is in sliding connection with the groove face of the front end of the fixed side plate through a limiting plate. The utility model solves the problems that the side surfaces of the carton are usually manually folded, pressed and adhered, and the side edges of the carton which is manually pressed and adhered are easy to attach irregularly.

A high-elasticity carbon fiber yarn and three-dimensional tape are disclosed, comprising a main elastic core, elastic binding threads, and chopped carbon fiber filaments. Several chopped carbon fiber filaments are crimped end-to-end onto the outer surface of the main elastic core, and each chopped carbon fiber filament is fixed to the main elastic core by the elastic binding threads. The chopped carbon fiber filaments are impregnated with silicone resin. The carbon fiber tape woven by this invention uses high-elasticity carbon fiber yarn, which has strong elasticity, enabling the tape to fully adhere to the core during winding. The composite product after resin impregnation and curing is wrinkle-free. The elastic warp yarn made of chopped carbon fiber filaments, after resin impregnation and curing, can also provide significant tensile strength, just like filament yarns, to tightly cross-link the weft yarns.

The utility model discloses an ancient building foundation reinforcing structure, and particularly relates to the technical field of ancient building reinforcement, the ancient building foundation reinforcing structure comprises a building foundation pillar and two reinforcing arc plates, a plurality of stabilizing assemblies are jointly connected between the two reinforcing arc plates and the building foundation pillar, and the stabilizing assemblies are connected end to end to form a stabilizing base. Each stabilizing assembly comprises a stabilizing frame and a lug plate fixedly connected to one end of the stabilizing frame. Through the arrangement of the stabilizing assembly, the reinforcing arc plate and the building foundation pillar, contact points of the stabilizing assembly and the ground can be evenly distributed, loads of the reinforcing arc plate and the building foundation pillar on the stabilizing assembly can be evenly transmitted to the ground, and the stabilizing assembly and the ground are fully attached through adjustment. Load can be dispersed to the ground with a larger area, ground subsidence or foundation damage caused by overlarge local pressure is avoided, and the stability of the overall structure of the historic building is guaranteed.

The utility model discloses a tension testing bench device relates to tension testing bench device technical field. The utility model discloses a base, lifting frame, lifting frame includes two electric screw telescopic link, and the output between two electric screw telescopic link is fixed with a crosspiece. The utility model discloses drive crosspiece lifting through electric screw telescopic link in lifting frame, drive another clamping piece on the base away with the clamping piece of fixed crosspiece, form stable reverse tension to material, complete tensile property test, and, the threaded rod in clamping piece and clamping plate screw thread cooperation, rotate threaded rod can drive two clamping plates away from each other or close, can be convenient for user to place the material of waiting test, and can also adapt to the clamping fixed demand of different size material, improve the compatibility of device to test material.

The utility model provides a curved surface structure pressure-sensitive adhesive adsorption fitting jig, which relates to the field of adsorption fitting jigs, and comprises a curved surface vacuum pressure head and a base, the outer wall of the curved surface vacuum pressure head is provided with fixing holes, the outer wall of the curved surface vacuum pressure head is provided with a group of temperature control feedback lines, and the fixing holes are communicated with the temperature control feedback lines. According to the thermosensitive adhesive pressing jig, thermosensitive adhesive pressing of curved-surface products of various sizes can be compatible, only the position of the curved-surface pressing head needs to be adjusted according to the actual product structure, the application range of the jig is greatly expanded through the effect, meanwhile, the production efficiency can be improved, the production cost is reduced, and the production efficiency is improved. Poor manufacturing process is reduced, and production waste is reduced.

The utility model relates to the field of numerical control milling machines, in particular to a numerical control milling machine groove milling clamp. Comprising a machine body, a working table is installed on the surface of the machine body, a workpiece abuts against the upper surface of the working table, an adjusting structure is arranged on the upper surface of the working table and comprises two adjusting grooves, the two adjusting grooves are formed in the working table, and the inner walls of the two adjusting grooves are rotationally connected with two-way screw rods; a servo motor is fixedly connected to one side of the workbench, the output end of the servo motor is fixedly connected with a two-way screw, two adjusting plates are in threaded connection with the arc surface of the two-way screw, the adjusting plates are in sliding connection with the inner wall of the adjusting groove, and supporting rods are inserted into the surfaces of the adjusting plates in a threaded mode. The groove milling clamp of the numerical control milling machine has the advantages that the servo motor is used for driving, the two clamping plates are used for limiting a workpiece, the clamping plates can be conveniently disassembled, the adjusting flexibility is high, and workpieces with different shapes and sizes can be conveniently clamped.

A kind of pressure maintaining device for adhesive bonding of limit ring assembly and its working method belong to the field of part production technology. The bottom plate has positioning and pressing mechanism and main supporting mechanism, the positioning and pressing mechanism is connected with the transmission mechanism, the transmission mechanism has input mechanism and is connected with the main supporting mechanism. The method is as follows: the limit ring and friction ring are placed between the retaining sleeve and the expansion block, and the pressing plate is adjusted to press the retaining sleeve; the handle is rotated to drive the main screw to rotate downward, the upper pressing head is pressed downward to contact the lower pressing head with the expansion block, the expansion block is pushed to push the limit ring and the friction ring to glue; after finishing, the handle is reversed to drive the main screw upward to drive the lower pressing head to separate from the expansion block; the expansion block is pushed inward to take down the parts. The transmission mechanism converts the downward pressure into radial force, cooperates with the positioning and pressing mechanism to realize the adhesion of the two parts and the stable radial pressure holding time, and monitors the force in real time to avoid damage to the parts caused by sudden increase of pressure.