2366 results about "Rivet" patented technology

The invention provides a permanent magnet motor and a scroll inverter compressor, and relates to the technical field of scroll compressor design and manufacturing, and the permanent magnet motor comprises a stator iron core and a rotor iron core; the stator core comprises stator teeth and a stator yoke which are uniformly distributed along the circumference, fluid through grooves are formed in the outer side of the stator yoke at the tops of the stator teeth, stator grooves are formed in two adjacent stator teeth and the stator yoke between the two stator teeth, and a plurality of strands of conductive circular enameled wires are embedded in each stator groove; the outer side of the rotor core is composed of linear segments and arcs, air grooves which are evenly distributed are formed in the rotor core, non-uniform magnetic isolation bridges are formed between the air grooves and the linear segments on the outer side of the rotor core, a certain distance is formed between every two adjacent air grooves, parallel magnetic conductive ribs are formed, and permanent magnets with the magnetic field directions changing alternately are embedded in the air grooves. A rivet hole, a lightening hole and a shaft hole are arranged close to the inner side of the rotor core. Therefore, the defined proportionality coefficient Ks is kept in a reasonable range, the power density of the motor can be increased, the cost is reduced, and the efficiency is improved.

The utility model belongs to the technical field of pipe system plugging accessories and pipe plugs, and particularly relates to an internal expansion type hole channel plugging device, a plugging system and a device with a sealing hole. The internal expansion type hole channel plugging device comprises a sealing sleeve and an inner core preset in the sealing sleeve, the sealing sleeve is provided with a closed blocking end face at the far end and an extrusion and expansion side wall formed by extending from the edge, the extrusion and expansion side wall is provided with a conical inner surface, and the inner core is provided with a conical outer surface and an axial threaded hole. A pulling tool is screwed into the threaded hole to apply axial pulling force, so that the conical surfaces extrude each other to cause radial expansion of the sealing sleeve to realize hole channel sealing. The hole channel plugging device can be matched with a rivet nut gun to carry out convenient and reliable hole channel plugging operation. The hole channel plugging technology is suitable for industrial products needing straight hole sealing, such as electric driving devices, injection molds and power battery modules, has the characteristics of high sealing reliability, operation convenience and clean plugging, and effectively solves the problems of scrap pollution, sealing failure and the like of a traditional plugging technology.

The invention discloses a large-size composite material part machining series-parallel master device, and particularly relates to the field of riveting machining, the large-size composite material part machining series-parallel master device comprises a riveting driving mechanism and a workpiece supporting mechanism, a control box is arranged on the riveting driving mechanism in a sliding mode, a large series-parallel operation mechanism is arranged on the control box, and the large series-parallel operation mechanism comprises a first adjusting seat; the first adjusting seat is arranged on the control box in a sliding mode, a second adjusting seat is arranged on the first adjusting seat, a riveting gun is arranged on the second adjusting seat, the workpiece supporting mechanism comprises a first linear driver, and an anti-deformation mechanism is arranged on the first linear driver. By arranging the workpiece supporting mechanism and driving the workpiece to incline through the supporting station, the riveting gun and the self-plugging rivet are kept in a vertical state, the position and angle of the riveting gun do not need to be adjusted in the machining process, it is ensured that the rivet is evenly stressed, and the riveting quality is improved.

A pull tab for a container lid includes a nose configured to apply downward pressure on a frangible region of the container lid, a rivet receiving portion adjacent to the nose that includes a rivet aperture therethrough, a lift portion located distally from the nose, and a finger hole located in proximity to the lift portion. Side edges of the finger hole include one or more upward bends, placed such that the lift portion is elevated relative to a bottom plane of the pull tab, thereby facilitating user actuation of the pull tab and enabling efficient stacking of a plurality of the container lids during manufacturing thereof to facilitate shipment and storage thereof. An indentation formed in the container lid cooperative with the lift portion provides additional grasping space. Novel methods of manufacturing are also disclosed.

The utility model relates to the technical field of rivets, in particular to a hippocampus rivet, which comprises a rivet core and a rivet shell, the rivet core comprises a rivet head, a riveting section, a snapping section and a rivet rod, the peripheral surface of the riveting section is provided with a first annular convex pattern and vertical convex teeth, the first annular convex pattern is arranged at the upper part of the riveting section in a surrounding manner, and the vertical convex teeth are arranged at the lower part of the riveting section. The vertical convex teeth are distributed on the lower portion of the riveting section at intervals in the circumferential direction of the riveting section, and the first annular convex lines and the vertical convex teeth all protrude out of the outer wall face of the riveting section; the nail shell comprises a nail shell body and a nail cap, and through holes are formed in the nail shell body and the nail cap in a penetrating mode. Through mutual cooperation of the first annular convex lines and the vertical convex teeth, tight engagement of the rivet core and the inner wall of the rivet shell can be achieved, the locking force of the rivet core is improved, axial movement and circumferential rotation of the rivet core in the rivet shell can be limited after riveting, the rivet core is effectively prevented from loosening and falling off, the connection strength between riveted workpieces is guaranteed, and the service life of the rivet core is prolonged. The technical problems that an existing hippocampus rivet core is insufficient in locking force, and the rivet core is prone to loosening and falling off after riveting are solved.

The utility model belongs to the technical field of riveting processing, and particularly relates to an aluminum back plate processing rivet riveting die, which comprises a base, an ejector pin, an ejector rod, a riveting rod, a riveting rod, a riveting rod, a riveting rod and a riveting rod, and is characterized in that the top surface of the base is provided with a placing groove and an avoiding groove; the positioning die is placed in the containing groove, a positioning groove used for containing the aluminum back plate is machined in the top face of the positioning die, a riveting hole communicated with the positioning groove is further machined in the positioning die, and the riveting hole right faces the ejector pin; the top cover is hinged to the base, an operation hole is machined in the top cover, and a limiting block used for pressing an aluminum back plate is fixed to the inner wall of the operation hole; the aluminum back plate is positioned and placed through the positioning die, the top cover is matched with the base to clamp the positioning die after being closed, the stability of the positioning die is ensured, the positioning die can be taken down to be replaced after the top cover is opened, and the aluminum back plate positioning device is suitable for aluminum back plates of different shapes, wide in application range and beneficial to improving production efficiency.

The invention relates to the technical field of fasteners, in particular to a threaded pulling nail and a preparation method and an installation method thereof. The thread drawing nail comprises a nail sleeve, a core rod, a forming sleeve, a lining and a mounting nut. The forming sleeve and the lining sleeve are arranged on the core rod in a sleeving manner; the nail sleeve and the mounting nut are screwed on the core rod; a threaded hole and a limiting hole are formed in the center of the nail sleeve; a nail sleeve locking shoulder is formed between the limiting hole and the threaded hole; the core rod comprises a clamping section, a first screw section, a second screw section, a limiting step section and a core rod head from top to bottom; external threads with the same shape are arranged on the peripheral surfaces of the first screw section and the second screw section, and a broken diameter groove is formed between the first screw section and the second screw section; the top surface of the head of the core rod is an inverted conical surface and forms a conical surface groove; a core rod stop shoulder is formed on the top surface of the limiting step section; the lower end of the forming sleeve abuts against the interior of the conical surface groove. After the blind rivet is riveted, the limiting step section can be inserted into the limiting hole, and the core rod locking shoulder and the rivet sleeve locking shoulder abut against each other to form limiting.

The present disclosure relates to a can opening and sealing tool with a body portion comprising a lower section and an upper section designed to engage securely with a can's pull-tab. The upper section includes a bar with an indented central portion that provides haptic feedback to confirm successful tab engagement and prevent accidental disengagement. An arm portion extends radially from a connecting portion and is configured to assist a user in pivoting the tool around the can's rivet when the tool is fully engaged with the can. The arm portion's edge interacts with the can’s top annular edge to maintain a flush seal.

The application relates to a high polymer vacuum bottle based on elliptical buckle replacement and anti-static and a preparation method thereof, and aims to solve the technical problems that the inner bottle and the outer bottle of the existing similar products are less fixed by the combination of a large circle and a middle circle, and the carrying and locking modes are relatively single. The main points are that an inner thread of the large circle is provided with a buckle rib, an inner shoulder circle bottom of the large circle is provided with an upward and obliquely arranged bevel circle, an outer diameter above the buckle rib of the large circle is provided with a gear circle rib, the buckle rib of the large circle is buckled and fixed in an inner buckle groove of the middle circle, meanwhile, the large circle is sleeved and fixed in the middle circle through the gear circle rib, and the middle circle and the large circle are connected as a whole; the bottom of the middle circle is buckled and fixed at a top outer bottle mouth of the outer bottle, and a top inner bottle mouth of the outer bottle is abuttingly fixed at the bottom of the bevel circle of the large circle; a top locking piece of an outer cover top is hingedly arranged at one end and rotates, when the top locking piece rotates to one side of the outer cover, the top locking piece is fixed in a locking hole of a bottle locking piece through rivet knob interference locking.

The invention discloses a pull rivet connecting piece and a lantern ring preparation method and application thereof, the pull rivet connecting piece comprises a pull rivet and a lantern ring, and a preformed directional deformation protrusion is arranged on the cylinder wall of the lantern ring and located in a preset bulging deformation area. In the rivet pulling process, the directional deformation protrusion preferentially generates radial plastic deformation when being axially compressed, so that a drum-shaped locking structure which is accurate in position and uniform in shape is formed, and the lantern ring is integrally formed through a local plastic deformation process and can be prepared through an internal reaming method or an external die assembly extrusion method. According to the lantern ring, it can be ensured that radial plastic deformation is evenly spread in the circumferential direction of the lantern ring through the directional deformation protrusions designed through the pre-forming structure, controllability and predictability of the deformation process are greatly improved, consistency, reliability and convenience of pull-rivet connection are kept through the design, the tensile strength and the shear strength of connection are remarkably improved, and the service life of the lantern ring is prolonged. The method is suitable for occasions with high reliability requirements.

A fast-connecting safety tensioning device for automobiles comprises a main body which consists of a base assembly, a handle assembly and a rolling assembly; and a band. The base assembly comprises a base, the rolling assembly comprises a spindle for mounting the band, the spindle is mounted on the base. The base has one or more threaded holes on a bottom of the base for one or more screws to pass through so as to quickly mount the fast-connecting safety tensioning device onto an object to be fixed in place (for example, a sidewall B of the pickup truck, the trailer trestle A, the car deck, etc.). One or more rivet nuts each having one threaded hole are integrally formed on the bottom of the base. The connection stability and the bearing capacity are greatly improved. Technical problems of the existing tensioning device can be effectively solved.

A lighting housing can be structured and configured to include an internal wiring junction box. In some embodiments, components, such as a cover and pan (e.g., base), of the lighting housing are structured to be stackable when the lighting housing is unassembled. In some embodiments, the components of the lighting housing are configured to be assembled using snap fits (e.g., rather than rivets or other fasteners).

The composite current collector rivet welding method comprises a machine frame, a shaping tool and a welding tool, the shaping tool and the welding tool are arranged in the machine frame in parallel, after a sheet-shaped foil material is folded, the surface of the sheet-shaped foil material is covered with a hard tab, and shaping perforation is conducted on the shaping tool; the punched foil and the hard tab penetrate through a lower hole site through a connecting piece with a convex rivet structure to be aligned, the aligned foil, the hard tab and the connecting piece are riveted on riveting equipment, the rivet structure of the connecting piece generates plastic deformation after pressure is applied by a pressing block, and the rivet structure and a warped edge generated by puncturing the hard tab form mechanical locking; and finally welding is completed. According to the method, a mode of firstly riveting and then welding is adopted, riveting forms mechanical locking through plastic deformation of rivets, the stripping force of joints is improved, then multiple layers of composite current collectors are further connected through welding, the internal resistance of the welding positions is reduced, the welding requirement of the composite current collectors is met, and compared with previous resistance welding, the welding efficiency is improved. And the stripping force and the welding stability are improved to a certain extent.

The invention discloses a hot riveting welding device for ship steel structure machining. The hot riveting welding device comprises a machine body. Through cooperative use of the first bending mechanism and the drilling mechanism, the two sides of a steel structure plate are synchronously bent for three times to form a semi-finished product, a plurality of sets of riveting holes are sequentially formed in a third folded edge, and during drilling, the riveting efficiency is greatly improved. A whole formed by a second folding edge, a third inclined face, a second lifting piece and a shielding plate blocks an opening in the left side of a fixing frame, a first automatic cover plate blocks an opening in the right side of the fixing frame, a space is formed, chippings generated in the drilling process can only be collected in a collecting box, and then a steel structure frame is formed through a second bending mechanism; and finally, rivets are sequentially inserted into the overlapped riveting holes of the two third folded edges in the steel structure frame through the hot riveting welding mechanism, hot riveting welding is conducted on the rivets in sequence, a finished product is formed, the whole process is automatically operated, and the production efficiency of the cuboid frame for the ship is improved.

A pull-rivet assembly, a product, a product assembly, and a product installation method are disclosed. The pull-rivet assembly includes a pull-rivet nut including a locating end, a bolt threadedly connected to the pull-rivet nut, and a washer sleeved on the locating end of the pull-rivet nut. The washer engages the locating end of the pull-rivet nut so that the pull-rivet nut cannot rotate relative to the washer, and the washer is adapted to engage a sleeve of a pull-rivet tool to prevent the pull-rivet nut from rotating when being pulled by the pull-rivet tool. In the present invention, the pull-rivet nut is riveted to a second component and the first component is fastened to the second component by tightening the bolt. Moreover, the pull-rivet nut does not rotate during the tightening of the bolt. The present invention simplifies the installation step of fastening the first component to the second component and reduces the cost.

A blind rivet setting tool including a clamping assembly for releasably clamping a nosepiece in place such that a blind rivet can bear against the nosepiece while the mandrel thereof is pulled; and a method of changing nosepieces using the clamping assembly.

The invention discloses a self-piercing riveting system, a rivet and a self-piercing riveting method, and relates to the technical field of riveting, the self-piercing riveting system comprises the rivet, a female die, a blank holder, a punch, an ultrasonic assembly and a control device, the rivet is provided with a head and a leg, the leg is provided with a micro-texture structure, the female die is used for bearing a to-be-riveted metal plate, and the punch is used for punching the to-be-riveted metal plate. The blank holder is used for being matched with the female die to clamp a metal plate to be riveted, the punch is movably arranged in the blank holder and used for pressing a rivet arranged in the blank holder, the ultrasonic assembly is arranged on the punch and used for providing ultrasonic waves acting on the metal plate to be riveted, and the control device is electrically connected with the ultrasonic assembly. According to the self-piercing riveting system, not only can a macroscopic interlocking structure be formed between the rivet and the metal plate, but also a microscopic interlocking structure can be formed between the rivet and the metal plate, so that the connection strength between the rivet and the metal plate is improved, and a microscopic gap between the rivet and the metal plate is reduced.

The invention provides a slotless threaded blind rivet and a manufacturing method, and relates to the technical field of fasteners, the slotless threaded blind rivet comprises a core rod, a rivet body, a rivet sleeve and a driving piece, the core rod comprises a clamping part, a first rod section, a second rod section and a head protrusion, the first rod section is provided with a first external thread section, the second rod section is provided with a second external thread section, and the head protrusion is provided with a second external thread section; a neck breaking groove is formed between the first rod section and the second rod section, the core rod is sleeved with the rivet body, a first internal thread section and a second internal thread section are arranged in the rivet body, and the second internal thread section can limit the first external thread section in the axial direction of the core rod; the core rod is sleeved with the nail sleeve, and the driving piece is in threaded connection with the second external thread section. The first external thread section can be axially limited by the second internal thread section, so that the core rod cannot continuously move, at the moment, the neck breaking groove is broken, the broken position is approximately parallel to the end opening of the nail body, and the effect of accurately controlling the broken position is achieved.

The utility model relates to the technical field of hole guiding devices, and discloses a rivet hole guiding device which comprises a handle, a guide rod and a guide rod. The mounting block is mounted at one end of the handle, and the mounting block is provided with a first through hole, a second through hole and a third through hole; the first positioning pin is mounted in the first through hole, one end of the first positioning pin extends out of the mounting block, and the first positioning pin is used for being mounted in a screw hole of the airplane cargo hold dustproof plate; the second positioning pin is mounted in the second through hole, one end of the second positioning pin extends out of the mounting block, and the second positioning pin is used for being mounted in a first rivet hole of the airplane cargo hold dustproof plate; wherein the third through hole is used as a guide hole of a second rivet hole of the airplane cargo hold dustproof plate. According to the rivet hole guiding device, the rivet hole can be accurately positioned, and the positioning efficiency is high.

The utility model belongs to the technical field of rivets, particularly relates to an engineering rivet mounting structure, and provides the following scheme aiming at the efficiency problem: the engineering rivet mounting structure comprises a shell; a first sliding groove is formed in the inner surface of the shell. A second sliding groove is formed in the outer circle face of the shell. A push block is slidably mounted on the inner surface of the first sliding groove. A threaded rod is rotationally mounted on the inner surface of the push block; a fixing block is slidably mounted on the inner surface of the second sliding groove. A mounting plate is mounted on the inner surface of the shell; the upper end of the threaded rod is fixedly connected with a rotating block; the outer circular surface of the shell is fixedly connected with a connecting shell; a fixing groove is formed in the inner surface of the connecting shell; a spring is fixedly connected to the outer surface of one side of the fixed block; a third sliding groove is formed in the upper surface of the fixing block. And through the arrangement of the fixing blocks, the rivets can be quickly mounted and dismounted, and the efficiency is improved.

The application belongs to the technical field of engine design, and particularly relates to a fan stator assembling structure of an engine, which comprises a stator outer ring, a stator inner ring and stator blades. The stator inner ring is arranged in the stator outer ring, and the stator blades are arranged in the circumferential direction and connected between the stator inner ring and the stator outer ring. The lower end of each stator blade is inserted into a lower end type hole arranged on the stator inner ring. An inner ring groove is arranged on the inner side of the stator inner ring and is connected to each lower end type hole. The inner ring groove is filled with silicon rubber. An outer ring groove is arranged on the outer side of the stator outer ring and is filled with silicon rubber. After curing, the outer side is provided with a hoop, which protects and reinforces the silicon rubber in the outer ring groove. The hoop and the outer ring groove are in clearance fit in width, and the hoop is annular. The interface is welded or connected by a connecting edge and a bolt or a rivet.

A double retaining ring is provided. Either a first retaining ring or a second retaining ring is connected to a shaft seat and the other of the first retaining ring and the second retaining ring is connected to two receiving seats. The shaft seat has an axial hole. Each receiving seat has two fixing arms. An accommodating groove having an opening is formed between the fixing arms. The shaft passes through the axial hole and is inserted into the two accommodating grooves. Two rivet holes are provided on two sides of the shaft. Two rivets respectively pass through the rivet holes and the shaft is fixed to the fixing arms through the two rivets. The two rivets are breakable and the shaft is detachable from the accommodating grooves.

The invention provides an aero-engine flame tube reinforced air inlet method, which is characterized in that an outer air inlet is designed, is integrally annular and is divided into a flow guide ring section, a mounting ring section and a middle transition section; the outer air inlet enables the mounting ring section to be assembled at the rear end of a main combustion hole in the outer wall face of the flame tube through a lengthened rivet, and meanwhile an injection sleeve is welded to the main combustion hole. When the aero-engine works, part of two air flows in a combustion chamber are blocked by the flow guide ring section under the influence of the internal and external pressure difference of the flame tube, so that the air pressure in the inlet area of the main combustion hole is enhanced. The combustor has the advantages that the air inlet effect is enhanced, the air inlet flow is increased, the air inlet penetration depth of the flame tube is increased, combustion is enhanced, the combustion efficiency is improved, the temperature field quality of an outlet of the combustion chamber is improved, and meanwhile the use safety of turbine parts is improved.

This invention belongs to the field of vibration reduction technology for nuclear power plant fans, specifically relating to a high-damping integrated vibration reduction foundation suitable for nuclear power fan fans. It consists of a steel frame connected to a height-adjustable vibration damper. The steel frame is welded from high-damping composite channel steel, which is composed of conventional channel steel and particulate dampers. The height-adjustable vibration damper uses the housing as the installation reference. An upper annular metal rubber is inserted into its inner cavity, followed by the upper end of the mandrel being inserted into the inner hole of the upper annular metal rubber. Then, a lower annular metal rubber is inserted into the inner cavity of the housing, with its upper end face against the mandrel. A base is then placed on top, and rivets are used to connect the base and housing through four mounting holes. Finally, the internal thread of the mounting block is screwed into the external thread at the upper end of the mandrel. This invention effectively reduces the vibration level of the fan, ensuring safe operation of the fan.

The riveting mechanism comprises a base, a driving assembly, a limiting plate, a profiling tool and a rivet jaw assembly. The driving assembly is arranged on the base and used for providing a driving force. The limiting plate is arranged on the base. The profiling tool is rotatably arranged on the base and driven to rotate by the driving assembly. The rivet jaw assembly can be guided by the limiting plate and move in a preset direction. When the profiling tool rotates back and forth, the rivet jaw assembly can move back and forth in the preset direction.

This utility model discloses an embedded sealing structure for a rivet nut, comprising a body, an annular groove recessed at the end of the body, an abutting part between the annular groove and the edge of the body, a guide part coaxially located in the middle of the annular groove and connected to the body, and a plurality of ribs between the outer wall of the guide part and the annular groove, the tips of the ribs facing the same direction as the guide part. The design of the tips makes it easier for the ribs to penetrate into the metal plate and penetrate deeper, allowing the rivet nut to withstand greater torque. Due to the design of the annular groove, the contact area between the abutting part and the metal plate is much smaller than that of a traditional rivet nut, but the same fastening effect can be achieved. That is, the contact area is smaller under the premise of achieving the same fastening effect. When the product is under pressure, the bottom surface of the product and the surface of the component are more likely to fit together, achieving physical sealing and reaching IP67 protection level.

The utility model relates to the technical field of blooming rivet nuts, and discloses a waterproof wire tension tester with a protection structure, which comprises a processing table and a fixed seat, connecting seats are fixed on two sides of the front end and the rear end of the processing table, and the tail end of a first bolt is connected to the inside of a connecting hole. The connecting seats are fixed at the front end and the rear end of the machining table, the connecting seats can also be fixed at the two sides of the machining table, then the shielding protection plates are arranged at the front position and the rear position of the machining table, and the transparent glass plate is fixed in the middle of the shielding protection plates. A first bolt is adopted to pass through a mounting hole and a connecting hole to complete locking and fixing of the shielding protection plate and the connecting seat, so that the shielding protection plate can shield the front and back positions of the machining table and can shield the two side positions in the same way, and after the material is broken, the follow-up swinging phenomenon of the material can be shielded by the shielding protection plate; therefore, the overall protection capability is well improved in the working process.