23 results about "Plastic stent" patented technology

The utility model provides a plastic support nut mounting mechanism, and relates to the technical field of plastic support mounting. The plastic support nut mounting mechanism comprises a wrapping shell, the inner side of the wrapping shell is fixedly connected with a storage shell, the outer side of the wrapping shell is provided with a blocking shell, the inner side of the blocking shell is provided with a blocking mechanism, the inner side of the blocking shell is provided with a pushing mechanism, the lower end of the wrapping shell is fixedly connected with a positioning cylinder, and the inner side of the positioning cylinder is rotationally connected with a nut sleeve. The outer side of the positioning cylinder is fixedly connected with an auxiliary handle. According to the plastic support nut mounting mechanism, falling of nuts on the inner side of the storage shell is blocked by arranging a lower blocking plate and an upper blocking plate, the nuts can be released to the lower portion one by one by alternately moving the lower blocking plate and the upper blocking plate, and the screwing-in depth of the nuts is preset by arranging a jacking rod; the nut sleeve pushes the nut to rotate and be screwed on the surface of the screw, the effect of continuously installing and screwing the nut is achieved, and the problem that the nut needs to be clamped one by one to be installed is solved.

The utility model relates to the technical field of cartons, in particular to a carton with a supporting plate. Comprising a box body and a supporting mechanism, and the supporting mechanism comprises a first plastic support, a second plastic support, a plastic supporting plate, a positioning block and a sealing device. The two first plastic supports and the two second plastic supports are vertically arranged at the four corners of the box body respectively, further, the upper plastic supporting plate is vertically and downwards installed, and therefore the upper plastic supporting plate is matched with the first plastic supports and the two second plastic supports through the bottom positioning blocks to achieve installation and limiting. The working distance between the first plastic support and the second plastic support can be stably kept, then packaging cartons can be placed on the plastic supporting plate, the safety of the carton at the lowermost end can be improved when the packaging cartons are stacked in the carton in an overlapped mode, the situation that the carton is damaged or objects are damaged due to pressing collapse is avoided, and packaging use is better facilitated.

The present invention provides a plastic stent comprising: a front end part formed in a tube shape such that an inlet is formed at one side thereof; a central part having one side integrally extending from the front end part; and a rear end part integrally extending from the other side of the central part, and having an outlet formed at the end of a flow path communicating with the inlet, wherein the front end part and the rear end part provide different restoring angles or restoring forces with respect to the central part. In addition, the present invention provides a plastic stent comprising: a front end part formed in a tube shape such that an inlet is formed at one side thereof; a central part having one side formed in a tube shape so as to be integrated with the front end part; a rear end part which is integrally formed in a tube shape on the other side of the central part and which has an outlet communicating with the inlet; and a marker part for encompassing, with a metal material, the outer peripheral surface of at least one or more of the front end part, the central part and the rear end part.

This invention relates to the field of mechanical fastener technology and discloses a heterogeneous material connection and fastening structure, including a connecting bolt. One end of the connecting bolt penetrates a stamped sheet metal housing, and a fastening nut is connected to the end of the connecting bolt penetrating the stamped sheet metal housing. An installation hole is provided on the outer surface of the stamped sheet metal housing. A connecting rubber sleeve is engaged with the outer surface of one end of the connecting bolt, and the end of the connecting bolt with the connecting rubber sleeve penetrates a plastic bracket. A stamped sheet metal part is disposed between the plastic bracket and the stamped sheet metal housing. This heterogeneous material connection and fastening structure, by using a connecting rubber sleeve with a specific groove design and tightly fitting it between the smooth shaft of the connecting bolt and the plastic bracket, effectively absorbs vibration and impact energy from all directions. During assembly, the rubber sleeve, through its elastic deformation and restoring force, avoids stress concentration caused by hard contact, thus extending the service life of the plastic bracket and the connection structure.

The utility model discloses a buckle plastic support which comprises a pivot part, the pivot part comprises a central column sleeve part and hexagonal cover plate parts located at the two ends of the central column sleeve part, a plurality of reinforcing edges extending to the outer wall of the central column sleeve part are connected between the hexagonal cover plate parts, and an inner threaded hole is formed in the rear end of the pivot part; the guide cone part extends to the center of the front end of the pivot part and is provided with a reset groove; the elastic buckling part is arranged in the reset groove, one end of the elastic buckling part extends and is connected to the rear end of the reset groove, and the other end of the elastic buckling part protrudes out of the guide cone part in an inverted buckle shape and is spaced from the front end of the reset groove; a plurality of air holes are formed in the side wall of the drying rear cover, the front end of the drying rear cover is guided into the inner threaded hole through a threaded rod, and the drying rear cover is used for containing a drying agent. According to the utility model, the pivot part and the guide cone part form the buckle main body, the elastic buckle part at the front end completes buckle installation, the rear end is connected with the drying rear cover through threads, the drying agent is arranged in the buckle main body to realize a moisture-proof effect, and the buckle main body is suitable for being used in some narrower spaces.

A split sliding rod structure applied to a massage head includes a sliding rod support and a sliding cylinder. The sliding rod support abuts against and is connected to an end of the sliding cylinder, and a connecting column is arranged at an end of the sliding rod support. The connecting column is provided with an external thread, and the massage head is provided with an internal thread. The connecting column is in threaded connection with the massage head. The sliding rod support is directly connected to the massage head, and is in stable threaded connection with the internal thread of the massage head through an external thread on the sliding rod support. This split arrangement simplifies machining steps. The plastic support and a thread structure are directly injection-molded, and the sliding rod is implemented by turning a hollow aluminum profile, saving materials and reducing machining costs.

The utility model discloses a mold for processing a plastic bracket. The mold comprises a base, a mold closing mechanism and a cooling mechanism, supports are fixedly connected to the four corners of the upper surface of the base, a bottom plate is fixedly connected among the upper ends of the four supports, and a bottom die is placed in the upper end of the bottom plate; the mold closing mechanism is arranged at the upper end of the bottom plate, and the mold closing mechanism is matched with the bottom mold; the cooling mechanism comprises limiting grooves, protruding bags and a cooling pipeline, the limiting grooves which are evenly distributed are formed in the top wall of the bottom plate, the cooling pipeline is placed between the limiting grooves, the protruding bags which are evenly distributed are arranged on the outer arc face of the cooling pipeline and penetrate through the adjacent limiting grooves in the upper end, and the upper surfaces of the protruding bags make contact with the lower surface of the bottom die. According to the mold for machining the plastic support, rapid cooling is achieved through circulation of cooling liquid, meanwhile, the ejector pins are automatically ejected out after the mold is opened, and demolding is facilitated.

The invention relates to a plastic motor suspension assembly and an integrated injection molding manufacturing method thereof, the plastic motor suspension assembly comprises a plastic support, a rubber body and a metal insert, and the plastic support comprises a first inner hole and a second inner hole; the rubber body is located in the first inner hole; the metal insert is positioned in the second inner hole; the rubber body and the metal insert serve as an inner framework and are placed in an injection mold to be integrally formed with the plastic support in an injection molding mode. Two flat and straight surfaces are symmetrically arranged in the first inner hole, two bumps are further arranged in the first inner hole, and the flat and straight surfaces and the bumps are arranged at intervals; the rubber body comprises a metal inner core and a rubber main spring, a boss corresponding to the straight face is arranged on the metal inner core, and a protruding part corresponding to the bulge is arranged on the metal inner core. According to the method, rapid and lossless internal detection is carried out through the X-ray scanning equipment, whether key parts such as the supporting legs are damaged due to injection molding pressure or not can be directly seen according to images, and data driving and precision of process adjustment are achieved.

The utility model provides a support with fins, and relates to the field of medical instruments. The support with the fins comprises a support body, a first fin assembly and at least one second fin assembly. The first fin assembly and the second fin assembly are arranged at intervals in the axial direction of the support body. Each of the first fin assembly and the second fin assembly comprises at least two fins, and the multiple fins in the same fin assembly are arranged at intervals in the circumferential direction of the support body. Each fin is connected with the outer wall of the support body and forms an included angle with the axis of the support body. The inclination directions of the fins in the same fin assembly are the same, and the inclination direction of the fins in the first fin assembly is opposite to the inclination direction of the fins in the second fin assembly. According to the support with the fins, the technical problem that in the prior art, a plastic support is prone to displacement is solved.

The utility model relates to medical instrument technical field especially, and it is a kind of covered stent and implantation system.This covered stent includes support framework and film, wherein: support framework is the hollowed out cylinder structure of peripheral surface, it can be radially compressed and expand;Film is coated on part support framework, and drainage mesh is formed at the region of support framework not being coated by film.Due to film being coated on part support framework, drainage mesh is formed at the region of support framework not being coated by film, bile of gallbladder, bile in common hepatic duct and pancreatic juice in pancreatic duct can enter the inside of covered stent through drainage mesh and reach duodenal papilla, thereby avoiding the phenomenon that bile and pancreatic juice cannot flow out from common bile duct and reach duodenal papilla due to common bile duct being pressed by stent, and simultaneously, a plastic stent does not need to be additionally implanted in common bile duct to help common bile duct drainage, to achieve the purpose of reducing operation cost and operation complexity.

A structure capable of automatically identifying an inserted / pulled-out state of a massage head includes a sliding rod, a plastic support and a sensor. The sliding rod is provided with a notch. The plastic support is provided with two positionally symmetrical supporting rods, and the supporting rods fit with the notch. The plastic support is further provided with a mounting portion, the mounting portion is provided with a printed circuit board assembly (PCBA) and a sensor, and the PCBA is in circuit connection with the sensor. When the massage head is fastened to the sliding rod, the sensor is triggered. The sensor and the PCBA are arranged in the plastic support and the plastic support and the sliding rod are positionally limited, so that displacement of the sensor and the PCBA in the plastic support is avoided, and stability of signal detection by the sensor is improved.

A placement type fixed plastic support is provided, including a base plate. A raised support barrier strip is fastened to the top of one end of the base plate, and a first diagonal bracing surface is disposed at the other end of the base plate. A support plate is assembled on the first diagonal bracing surface by using quick-disassembling mechanisms. A bent support portion is fixedly connected to one end of the support plate, and a second diagonal bracing surface is disposed at the other end of the support plate. The support plate and the base plate can also be quickly separated when being disassembled, and the operation is convenient and efficient, thereby effectively solving the problem that a traditional support is complex in disassembly and assembly and greatly improving operational efficiency when a structure of the support is adjusted by a user.

The utility model relates to a motor support structure with a metal inner sleeve, which comprises a motor support, the motor support is provided with an annular bearing chamber and the metal inner sleeve sleeved in the bearing chamber, and the metal inner sleeve is provided with a mounting port for sleeving a bearing. According to the motor support structure with the metal inner sleeve disclosed by the utility model, the metal inner sleeve is coated in the bearing chamber on the basis of the original plastic support, and compared with the structure that a ball bearing is directly assembled in the bearing chamber of the plastic motor support of the existing product, the motor support structure with the metal inner sleeve has the advantages that the abrasion of the ball bearing to the plastic bearing chamber is reduced; compared with plastic, the metal inner sleeve is better in size control, not prone to deformation and capable of being tightly matched with the ball bearing after running for a long time.

The utility model belongs to the field of heating pipe components, and particularly relates to a safety heating pipe component with a full-frame plastic support, which is assembled on a stable frame, a plurality of mounting holes are arranged on the stable frame, bolts are assembled on the mounting holes in a threaded manner, a plurality of traction ports are arranged on the stable frame, the traction ports are correspondingly positioned on one sides of the mounting holes, and the whole-frame plastic support is arranged on the stable frame. Guide rods are symmetrically and fixedly assembled on the traction openings, sliding blocks are movably assembled on the two guide rods, limiting blocks are fixedly assembled on the tops of the sliding blocks, and connecting blocks are fixedly assembled on the two symmetrical side faces of the sliding blocks; according to the safety type heating pipe assembly with the full-frame plastic support, through cooperation of the connecting blocks and the limiting blocks, the problem that when an existing heating pipe vibrates during operation, bolts used for fixing on the stable frame and the plastic support are prone to loosening, and installation and use of equipment are affected is solved.

The utility model provides a high-strength plastic support, which relates to the technical field of plastic supports and comprises a bottom plate and a support body, and a sleeve is fixedly mounted at the top of the bottom plate. The pull handle is pulled by a hand, the pull handle drives the sliding piece to slide outwards along the fixing column, in the process, the limiting insertion rod is pulled out of the limiting hole and the reserved hole where the limiting insertion rod is located originally, meanwhile, the spring is compressed under the action of the sliding piece, and when the limiting insertion rod is completely separated from the limiting hole and the reserved hole, the spring is pulled out. The telescopic rod can freely slide up and down in the sleeve, a user can adjust the telescopic rod to a proper height according to actual requirements and then loosen the pull handle, at the moment, under the elastic force effect of the spring, the sliding piece drives the limiting insertion rod to slide into the limiting hole and the preformed hole of the corresponding height again, and locking of the position of the telescopic rod is achieved. According to the design, the height of the support body can be conveniently and freely adjusted only by simply pulling the pull handle, and the diversified requirements for the height of the support body in different scenes are met.

The invention relates to the field of gall bladder drainage stents, in particular to a gall bladder drainage plastic stent for ERCP surgery, which comprises a near-end pigtail section, a middle drainage section and a far-end drainage section which are integrally formed in sequence, the near-end pigtail section is used for remaining in a gall bladder, and friction elements are integrated on the outer side wall and the inner side wall of the near-end pigtail section; the middle drainage section is used for penetrating through a gall bladder tube and a common bile duct, the far-end drainage section is used for being reserved in the duodenum, an air bag reinforcing mechanism is arranged on the middle drainage section, preliminary anchoring is achieved through a pigtail ring structure of the near-end pigtail section, and meanwhile the air bag reinforcing mechanism of the middle drainage section is matched, so that the drainage effect is improved. The inflated annular air bag is tightly attached to the inner wall of the gall bladder tube, an anchoring and attaching dual-fixing mode is formed, external force caused by gastrointestinal peristalsis and bile flow is effectively resisted, the risks of stent displacement and slippage are remarkably reduced, and it is guaranteed that a drainage channel is continuous and smooth.

The utility model provides a drainage support, and relates to the field of medical instruments. The drainage support comprises a tubular support and a limiting assembly. The limiting assembly comprises at least two limiting protrusions, and the multiple limiting protrusions are arranged in the circumferential direction of the tubular support at intervals. Each limiting protrusion is connected with the outer wall of the tubular support and forms an included angle with the axis of the tubular support. The inclination directions of the multiple limiting protrusions are the same. According to the drainage support, the technical problem that in the prior art, a plastic support is prone to displacement is solved.

The application provides a tool for disassembling a gear roller assembly on a chain shaft, which comprises a connecting plate, a supporting frame, a blocking rod, a pressing plate, a reset elastic component, a connecting arm, a disassembling hook and a force applying rod. The tool is designed in combination with the structural features of the disassembling object. A disassembling personnel can apply force to the force applying rod with both hands, so that the wedge-shaped disassembling hook is lifted upward, the wedge surface of the disassembling hook is contacted with the end of the π-shaped plastic support, the friction force is overcome and the plastic support is deformed and moved upward under the reaction force of the wedge surface, the support of the gear roller assembly is opened, and the gear roller assembly is separated from the two ends of the chain pin shaft. The chain shaft end is gradually pushed away, the π-shaped plastic buckle on the chain shaft is disengaged, and the gear roller assembly is disassembled with high efficiency, high reliability and low cost. The manual brute force disassembling mode is fundamentally abandoned, and the problem of no special disassembling tool and difficult disassembling is solved.

1. The name of the design product: plastic support. 2. The use of the design product: installed in handle. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model relates to the technical field of plastic support, and disclose a plastic support with anti -topple function, this plastic support with anti -topple function, including base, base bottom fixed mounting has self -locking universal wheel, base top center fixed mounting has main rod, main rod top fixed mounting has tray, be provided with fixed mechanism on the base, the fixed mechanism includes slide rail. This plastic support with anti -topple function, in order to make the support fixed more stable, by being provided with fixed mechanism, push the push block, cooperate slide rail, sliding block, drive the driving rack to move, further, cooperate the rotation of driving gear, rotating lever, driven gear, make the driven rack move down, and then drive the lock block to move down, thereby remove the restriction of lock block to first fixed rod and second fixed rod, rotate first fixed rod, pull out second fixed rod, make and ground contact, thereby make the support fixed more stable.

The utility model belongs to the field of heating pipes, and particularly relates to a heating pipe shell assembly with a safe creepage distance, which comprises a metal frame shell and a plastic support, the plastic support is provided with a temperature controller, the temperature controller and the plastic support are provided with stable bolts, the plastic support is provided with a traction groove, the traction groove is provided with a traction rod, and the traction rod is provided with a fixed bolt. The traction rod is provided with a sliding block, the sliding block is provided with an extending block, the extending block is provided with a fixing block, the fixing block is provided with an operating rod, the operating rod is provided with a guiding block, the guiding block is provided with stopping blocks, one end of one stopping block is provided with an inserting groove and a clamping hole, the other stopping block is provided with an inserting block, and the inserting block is connected with the inserting groove in an inserted mode. According to the heating tube shell assembly with the safe creepage distance, through the cooperation of the stop block and the guide block, the problem that the use of equipment is affected due to the fact that an existing temperature controller and a plastic support are fixed through a bolt and the bolt is prone to loosening due to the external influence is solved.

The present disclosure provides a plastic stent includes a front end portion formed in a tube shape and having an inlet formed on one end; a central portion extending integrally from one end of the front end portion; and a rear end portion extending integrally from the other end of the central portion and having an outlet formed at an end of a flow path communicating with the inlet, wherein the front end portion and the rear end portion provide different restoring angles or restoring forces relative to the central portion.