2695 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 invention discloses a control method applied to self-piercing riveting, and relates to the technical field of self-piercing riveting control. According to the method, riveting material data are collected in real time through a multi-source data fusion interface, the high-dynamic deformation process of a riveting head is captured, deformation rate and rebound value characteristic values are extracted, and a multi-dimensional process parameter set is constructed. And comprehensively analyzing the hardness, thickness and plastic dissipation characteristics of the material, and establishing an anti-deformation capability evaluation function. By introducing the fluctuation characteristics of the punching force, the nonlinear relation between the punching force and the elastic deformation of the riveting rod is analyzed, a hybrid compensation model is constructed, and a riveting dynamic coupling compensation vector is output. And generating a compensation weight matrix through an adaptive optimization algorithm, and dynamically adjusting the stamping force and the displacement of the riveting rod in combination with an anti-saturation control strategy. And dynamically adjusting a gain parameter through multi-scale filtering and a Lyapunov stability criterion, and triggering iterative updating of a compensation weight parameter during out-of-tolerance so as to optimize a control effect. Riveting precision and stability are improved, and the service life of equipment is prolonged.

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.

A blind rivet nut-setting tool for setting a rivet nut including a housing having an anvil, a pull stud for engaging the rivet nut, and an output shaft defining a drive axis. The tool includes a motor defining a motor axis. The motor is configured to transfer torque to the output shaft to rotate the pull stud about the drive axis. The tool includes a clutch mechanism that is disposed between the motor and the output shaft. The clutch mechanism is moveable between an engaged state, in which a reaction torque exerted on the pull stud is below a predefined torque threshold, and a disengaged state, in which a reaction torque exerted on the pull stud is equal to or above a predefined torque threshold. The tool includes a pull mechanism that is driven by the motor and capable of translating the pull stud along the drive axis.

The invention provides a threaded blind rivet and an installation device, an installation method and a preparation method thereof. The threaded blind rivet comprises a core rod, a rivet body and a rivet sleeve. The core rod comprises a head protrusion, a first external thread section, a second external thread section and a clamping section which are sequentially connected, and a neck breaking groove is formed between the first external thread section and the second external thread section. The threaded pulling nail is not provided with a driving nut, so that the driving nut is prevented from being discarded along with the discarded section of the core rod, the cost of the threaded pulling nail is reduced, and resource waste is avoided.

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 fastening arrangement for connecting a façade panel and a panel holder is provided. The façade panel is a panel with a homogeneous structure; with a front side, a material layer and a rear side. A keyhole-shaped groove is provided on the rear side of the facade panel having a widened insertion opening and a retaining area with an undercut in the material layer. The mechanical connection between the facade panel and the panel holder is a riveted connection using a rivet with a mushroom-shaped head inserted through the insertion opening and into the undercut of the retaining area. The panel holder is pushed onto a free end of the rivet shank that extends out via a through-opening so that the panel holder rests on the cover panel. The rivet shank free end is then formed by a rivet setting tool to create a positive fit between the composite panel and the panel holder.

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.

A buckle according to the present invention has two opposing ends that are removably attached to each other using a locking system. On one end of the buckle, the locking system includes two opposing locking pins coupled to a spring that is fully enclosed and protected from external elements. On the other end, corresponding rivets or pin casings with plungers are operable to receive the locking pins and lock the two ends together or push the pins out of the casings to release the buckle. The buckle may also include a plug that is removably attached to the adjustable loop end and allows the central bar of the adjustable loop end to be removed without deforming the central bar. Alternatively, each end of the buckle may include self-aligning tabs that guide the ends of the buckle for fastening and aid in the stability of the buckle.

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 discloses a double-headed sunken rivet cold heading device, and relates to the technical field of rivet processing equipment, the double-headed sunken rivet cold heading device comprises a base and an electric pressing rod, the electric pressing rod is not connected with the upper end of the base, the upper end of the base is provided with a sliding groove, and the two sides of the interior of the sliding groove are both connected with sliding blocks in a sliding mode. The device comprises two sliding blocks, springs are fixedly connected to the back-to-back sides of the two sliding blocks, molds are fixedly connected to the upper ends of the sliding blocks, inclined blocks are fixedly connected to the back-to-back sides of the two molds, a moving ring is jointly slidably connected to the outer sides of the two molds, and supporting rods are fixedly connected to the two sides of the upper end of the moving ring. The upper end of the supporting rod is fixedly connected with a moving plate, and the upper end of the moving plate is fixedly connected with the lower end of an electric pressing rod. After each processing is finished, the two moulds are reset under the action of the springs, so that materials in the moulds are taken out more conveniently, the condition of mould clamping is avoided, and the processing efficiency is further improved.

The utility model belongs to the technical field of machining and assembling, and discloses an electromagnetic valve punching and riveting integrated machining and assembling device which comprises a sliding assembly, a punching assembly, a scrap removing assembly, a rivet installing assembly and a rivet pressing assembly, an electromagnetic valve is installed on the sliding assembly, and the sliding assembly can drive the electromagnetic valve to move and be fixed in the linear direction. The punching assembly, the scrap removing assembly, the rivet feeding assembly and the rivet pressing assembly are arranged above the linear guide rail of the sliding assembly in the straight line direction. When feeding and discharging are needed, the direction of the manual valve is switched, the sliding block drives the blanking die lower die base to move backwards along the sliding rail, an optical grating on a machine tool can sweep the manual valve, feeding is carried out with hands, the direction of the manual valve is switched, the sliding block drives the blanking die lower die base to move forwards along the sliding rail, and when an LED power indicator light is turned on, it is indicated that the sliding block on the air cylinder moves to the limit stroke; the upper die and the lower die are closed, and the machine tool can continue to conduct punching work. By means of the device, feeding and discharging safety can be guaranteed, and production efficiency is improved.

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 method for manufacturing a riveted joint includes: causing a shaft portion of a steel rivet having the shaft portion and a head portion to pass through through-holes of a plurality of overlaid sheet members; sandwiching the rivet between a pair of electrodes in axial direction of the rivet; applying a force to the rivet and energizing the rivet with the electrodes to form a deformed portion at a distal end of the shaft portion; and cooling the rivet. In the rivet after cooling, a Vickers hardness HB of the head portion satisfies 130≤HB≤330, and a Vickers hardness HA of the deformed portion, a thickness TA of the deformed portion, a Vickers hardness HJ of a portion of the shaft portion at center in axial direction and at center in radial direction, diameter DJ of the shaft portion, a Vickers hardness HB of the head portion, and a thickness TB of the head portion satisfy HJ×DJ≥4.7×HB×TB and HA×TA≥1.3×HB×TB.

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.

The invention discloses a pressing rivet die and method for CNC machining of a water cooling plate, the pressing rivet die comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper clamping plate and a stop plate which are arranged at intervals, and a stripper plate is arranged on the lower end face of the stop plate; a nitrogen spring is arranged between the upper clamping plate and the stop plate, and one end of the nitrogen spring abuts against the stop plate. The nitrogen spring comprises a cylinder body, a piston rod and an air pressure adjusting channel communicated with the cylinder body. A first pressure sensor is arranged on the upper clamping plate, and a displacement sensor used for monitoring rivet press-in displacement is arranged on the stop plate or the stripper plate. In the running process, the upper die assembly is driven to move downwards, the nitrogen spring arranged between the upper clamping plate and the stopping plate is driven to be pressed step by step to apply uniform elastic pressure to the rivet, flexible rivet pressing is achieved, the first pressure sensor and the displacement sensor feed back the pressing-in displacement amount of the rivet in real time, feedback correction of the riveting process is achieved, and the riveting precision is improved. And offset or damage caused by hard contact is avoided.

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).

This invention discloses a heat treatment strengthening process and apparatus for carbon steel rivet nuts, relating to the field of ferrous metal heat treatment. The strengthening process includes the following steps: S1, quenching the cold-headed carbon steel rivet nut in a heating furnace; S2, tempering the quenched carbon steel rivet nut at 396~410℃ and cooling; S3, tempering the tempered carbon steel rivet nut at 272~295℃ and cooling to obtain a heat-treated and strengthened carbon steel rivet nut. This invention, through precise control of the phase transformation behavior of medium carbon steel combined with two-stage tempering, enables the deformed portion of the rivet nut to obtain a tempered troostite structure with uniform carbide strengthening, resulting in a significant simultaneous increase in tensile strength and yield strength. Compared with traditional heat treatment processes, this invention can improve the ability of the deformed portion of thin-walled parts to resist instantaneous overload during high-speed riveting, thereby significantly reducing the risk of installation failure during riveting.

The invention relates to the technical field of bearing spin riveting, and provides a spin riveting device and hub bearing spin riveting equipment, the spin riveting device comprises a transfer table, a rivet head and a transfer mechanism, the transfer table is provided with a spin riveting station, and the rivet head is arranged at the spin riveting station; the transfer mechanism comprises a mounting plate, a lifting assembly and a translation assembly, the mounting plate is slidably mounted on one side of the transfer table, a first clamping seat and a second clamping seat are slidably mounted on the mounting plate, and the mounting plate is provided with a first driving part used for driving the first clamping seat and the second clamping seat to be close to each other or away from each other; the first clamping base and the second clamping base are both connected with first clamping blocks, a first clamping area is formed between the two first clamping blocks, and each first clamping block is provided with a clamping cambered surface. According to the spin riveting device, the risk that the hub bearing is scratched in the transferring process can be reduced, and the transferring precision of the hub bearing is improved.

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 provides a high-precision maintenance method for a coal supporting plate of a tamping coke oven coal charging car, and relates to the technical field of coke oven equipment maintenance, and the high-precision maintenance method comprises the following steps: S1, pretreatment of new and old plates: removing an oxide layer and pollutants on a contact surface of an upper-layer old plate and a lower-layer new plate; s2, drilling and positioning: temporarily fixing the new plate and the old plate through interval spot welding and then synchronously drilling; step S3; the coal supporting plate is cut into a wear section and a reserved section, and a new plate is welded after the wear section is removed; s4, thermal anchoring is conducted, specifically, the rivet is heated, the pose of the coal supporting plate is adjusted, and then riveting is completed; and S5, quality closed-loop detection: carrying out nondestructive detection and vibration stability verification on welding and riveting parts. According to the process, new and old plates are forcibly aligned through a dynamic drilling technology and spot welding, the datum plane deviation is eliminated, and meanwhile, modular segmented replacement is utilized, an undamaged structure is reserved through selective cutting, further thermodynamic synergistic anchoring is conducted, and rivet heating and mechanical leveling cooperate to improve the connection strength.

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.

A nut retainer assembly for a blind fastener system, includes: a nut retainer aligned along a longitudinal axis, the nut retainer comprising: i) an interior cavity for securely holding a fastener nut therein; ii) an opening for receiving a fastener therethrough; and iii) a threaded retainer coupling portion; and a swageable base or swageable base assembly, the swageable base or swageable base assembly being aligned along the longitudinal axis, the swageable base or swageable base assembly comprising: i) a swageable section; ii) a radial flange extending outwardly from the swageable section; and iii) a threaded base coupling portion for engaging with the threaded retainer coupling portion.