721results about "Rivets" patented technology

A blind rive includes a mandrel, a rivet body, and a magnetic washer having a circular arc angle. The mandrel includes a mandrel head and a shank. The shank includes a grip section, a groove section, and a pull section having a reverse tapered surface. The mandrel head is connected to one side of the grip section of the shank. The end surface of the mandrel head that is connected to one side of the shank has a circular arc surface. The grip section is the portion of shank close to the mandrel head. The groove section is disposed on the shank and connected to the grip section. The pull section has a reverse tapered surface disposed on the shank and connected to the groove section. The rivet body includes a through hole matching the mandrel, a rivet head, and a protruding edge structure.

A fastener to connect a first component to a second component with an opening. The fastener includes a head with two lock tabs, each shaped with a sloped sidewall, and a lead-in portion that fits into the opening. A shank connects the lead-in portion to a push bar, which has at least one angled (chamfered) edge. Flexible legs extend between the head and the lead-in portion and compress as the lead-in portion is inserted. During installation, the chamfered edge of the push bar slides against the sloped sidewall of the lock tabs, allowing the push bar to move past them. Once in place, the lock tabs hold the push bar, keeping the flexible legs compressed and locking the fastener securely.

Multi-piece fasteners, fastening collar installation apparatus, and methods of fastening are provided. The multi-piece fastener comprises a fastening collar and a pin. The fastening collar comprises a first collar end, a second collar end, and a collar cavity. The collar cavity extends from the first collar end to the second collar end. The pin is configured to be at least partially received by the collar cavity. The pin comprises a first pin end comprising a head portion, a second pin end comprising a pull region, and a shank. The pull region is generally cylindrical and smooth and is configured to form at least one of an annular shoulder, a groove, a thread, and other feature responsive to forcible contact from a fastening collar installation apparatus. The shank extends intermediate the first pin end and the second pin end. The fastening collar is configured to be deformed onto the shank.

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 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 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.

A fastening system includes a plurality of groups of fasteners. Each group includes a plurality of identical fasteners. Each fastener includes a fastener body and a coating applied to at least a portion of the fastener body. The coating includes a binder and a colorant. Each group of fasteners has a specific structural characteristic that differs between the groups, and each group of fasteners has a distinct color represented by a set of CIE Lab coordinates (L, a, b).

To provide multi-piece fasteners, multi-piece fastener installation apparatus, and methods of fastening.SOLUTION: A multi-piece fastener includes a fastening collar and a pin. The fastening collar includes a first collar end and a second collar end. A collar cavity extends from the first collar end to the second collar end. The pin is configured to be at least partially received in the collar cavity. The pin includes a first pin end, a second pin end, and a shank extending between the first pin end and the second pin end. The shank comprises a plurality of structural features. A first feature among the plurality of structural features has a first configuration, and a second feature among the plurality of structural features has a second configuration. The first configuration and the second configuration are different from each other.SELECTED DRAWING: Figure 3A

The utility model discloses a multifunctional self-puncturing connecting rivet, which is characterized in that a self-puncturing connecting riveting part used for being riveted with a plate in a self-locking manner is integrally formed on one side of a flange plate, and a connecting part used for being connected with a part in a matching manner is integrally formed on the other side of the flange plate, so that the rivet can be connected with the part while being riveted and fixed with the plate; a plurality of connecting pieces do not need to be arranged on the plate, so that the damage to the plate structure and the mounting cost are reduced, and the functionality of the rivet is improved; meanwhile, the rivet and the plate are made of the same material, and the strength of the rivet is higher than that of the plate, so that physical and mechanical characteristics such as thermal expansion coefficient, elastic modulus and yield strength between the rivet and the plate are similar, stress concentration caused by material difference is reduced, and the risk of cracks is reduced; therefore, the integrity, the stability and the reliability of connection are improved.

The invention relates to a ring groove rivet sleeve and a high-strength ring groove rivet for aerospace, the rivet sleeve comprises a bulged section, a connecting section and a locking section which are sequentially distributed in the axial direction, and the material strength of the bulged section and the locking section is smaller than that of the connecting section. According to the rivet sleeve, the bulged section, the connecting section and the locking section are sequentially distributed in the axial direction, the bulged section penetrates through the hole of the connected piece during riveting, the connecting section is located in the hole in the connected piece, the locking section abuts against the side face of the connected piece, the bulged section is bulged and deformed in the riveting process, and the locking section is located in the hole in the connected piece. Meanwhile, the locking section is extruded to deform and is filled into a thread groove in the rod part of the nail rod to realize locking; due to the fact that after riveting is completed, the rivet mainly bears shearing force through the connecting section, the material strength of the connecting section is set to be larger than that of the bulging section and the locking section, smooth deformation of the bulging section and the locking section can be guaranteed, meanwhile, the structural strength of the connecting section is improved, the connecting section has high shearing strength, and the service life of the rivet is prolonged. And the shear resistance of the rivet can be effectively improved.

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.

The utility model discloses a rivet assembly, and belongs to the technical field of rivets. A rivet assembly comprises a first stand, a second stand and a third stand which are axially arranged in sequence. The second stand and the first stand are eccentrically arranged, and the end face of the first stand on the side, far away from the first stand, of the second stand is a bearing part. The side edge of the third stand is provided with at least one limiting cut edge. The end face of the second pillar and the third pillar at least form a limiting step at the position of the limiting cut edge. A mounting plate is arranged outside the third stand, and a rotation stopping hole matched with the outline of the third stand is formed in the surface of the mounting plate; the rotation stopping hole is provided with a rotation stopping cut edge matched with the limiting cut edge. The mounting plate is nested at the periphery of the third stand and is propped against the limiting step; an insertion cavity is formed between the mounting plate and the first stand; the plug-in cavity is nested outside an external fixing plate, and the end face of the fixing plate abuts against the bearing part. Eccentric arrangement can be achieved, the abutting contact area is increased, and the device is suitable for installation of steel plates with different thicknesses.

The utility model discloses a self-piercing connecting rivet with a composite structure, which is characterized in that a self-piercing connecting riveting part used for being riveted with a plate in a self-locking manner is integrally formed on one side of a flange plate, and a connecting part used for being connected with a part in a matching manner is connected on the other side of the flange plate, so that the rivet can be connected with the part while being riveted and fixed with the plate; a plurality of connecting pieces do not need to be arranged on the plate, damage to the plate structure and the installation cost are reduced, the functionality of the rivet is improved, and meanwhile the connecting part and the self-puncturing connecting riveting part are made of different materials so that the performance of the rivet can be optimized.

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.

A dissimilar-material joined body is obtained by fusion joining a steel material and a stud-equipped aluminum member obtained by attaching a steel stud member to an aluminum material. The stud member includes a head portion and a shaft portion. The shaft portion penetrates the aluminum material in a plate thickness direction, protrudes from the aluminum material, and is formed with, at a tip end of the protruding shaft portion. An expanded diameter portion expands radially outward. A back side surface of the head portion that faces the aluminum material is clinched to the aluminum material. The head portion and the steel material are fusion welded to each other with a gap having a desired interval formed between the aluminum material and the steel material.

To improve fastening strength in fastening with a fastener.SOLUTION: A fastener for fastening a member to be fastener has: a hollow rivet body 20 inserted into a hole 71 of a first member 70 and a hole 73 of a second member 72, and having a flange 22; a mandrel 30 inserted into the rivet body 20; and a metal washer 40 arranged at least one of an interval between a deformation part 24 of the rivet body 20 and the second member 72 and an interval between the flange 22 and the first member 70.SELECTED DRAWING: Figure 1

A trophy assembly comprises a trophy base (38), a connector piece (20), at least one decorative element (12), and a rod (44) for connecting the decorative element to the connector piece. The rod has a first end which is attachable to the decorative element, and a second end provided with a screw-threaded portion for attachment to the connector piece, the second end of the rod has a first radius. The trophy base includes a bore (36) shaped to receive the connector piece, and the bore has an internal wall. The connector piece is formed from a plastics material and comprises a head portion (22) and a body portion (24). It has an elongate socket (26) passing through both the head and body portions, the elongate socket has a second radius which is greater than or equal to the first radius. The body portion of the connector piece has a first end proximal to the head portion and a second end distal to the head portion, and the second end of the body portion comprises at least two parts which are resilient when subjected to a force substantially perpendicular to a longitudinal axis of the elongate socket. The body portion has an internal surface defining the elongate socket and the internal surface is provided with at least two elongate protrusions (34) oriented substantially parallel to the longitudinal axis of the elongate socket. The elongate protrusions define an inner channel with a third radius, and the third radius is smaller than the first radius. The body portion has an external surface provided with a plurality of ridges, and the connector piece is connectable to the trophy base by pushing the connector piece into the bore such that the parts of the body portion are pushed together and such that the ridges are in contact with the internal wall of the bore. The decorative element is connectable to the base by screwing the second end of the rod into the socket of the connector piece such that the screw-threaded portion of the rod engages with the elongate protrusions within the socket.

The present subject matter relates to roller swage apparatuses, roller swage attachments and related methods. For example, in some embodiments, a roller swage apparatus for swaging a portion of a cylinder of material can be provided. The roller swage apparatus can comprise a spindle for holding and rotating a cylinder of material and a tool post that is movable into and out of alignment with the spindle as well as a controller for operating the spindle and the movement of the tool post. The roller swage apparatus can comprise a roller swage attachment secured to the tool post for engaging the cylinder of material to shape the cylinder of material into a desired shape.

The present disclosure is related to a snap system including a mating component and a snap component that connect by means of a snap fit or otherwise. The mating component simplifies the assembly process by combining a structural component and an attachment point. The snap component is associated with a removable component that mates with the attachment point of the mating component. The snap system includes a mating component that combines a structural component to secure a material and an attachment point to secure a snap component. The design of the structural component allows the mating component to be used with a variety of materials having a variable thickness. The mating component is a versatile feature as the structural component self-adjusts to the thickness of the material provided. The snap system decreases the amount of components necessary for manufacturing which may decrease the cost and improve the visual appeal.

The utility model belongs to the technical field of installation, and discloses a riveting structure. The riveting structure comprises a metal part and a plastic part, the metal part comprises a rod part assembly, two tree-shaped protruding assemblies are distributed on the rod part assembly at intervals, and the two protruding assemblies both protrude out of the peripheral face of the rod part assembly; the plastic part is provided with a hole site, the rod assembly of the metal part is inserted into the hole site, the diameters of the outer circumferences where the two protruding assemblies are located are both larger than the diameter of the circumference of the corresponding position of the hole site, so that the two protruding assemblies extrude the inner wall of the hole site of the plastic part to generate a deformation space, and the two protruding assemblies are buckled in the deformation space. According to the riveting structure, the connection strength between the metal part and the plastic part is remarkably enhanced, the contact area between the metal part and the plastic part is increased through the tree-shaped protruding assemblies, firmer connection is achieved by means of the elastic deformation characteristic of the plastic part, the problem of looseness or failure caused by insufficient connection strength in the long-term use process is solved, and the service life of the connector is prolonged. And the stability and durability of the riveting structure are improved.

A blind rivet fastener for an electrical contact assembly includes a rivet shaft and a rivet head. The rivet shaft includes an elongated, hollow sleeve extending coaxially to a longitudinal center axis of the blind rivet fastener and having an outer sleeve surface. The rivet head extends radially at a first end of the sleeve. The rivet shaft includes at least one ridge configured to scratch at least one component to which the blind rivet fastener is configured to attach. The at least one ridge projects from the rivet head and extends along a portion of the outer sleeve surface. A fastening arrangement includes such a blind rivet fastener.

The utility model relates to the field of loose cores and rivets, and discloses an anti-deformation self-plugging rivet which comprises an end cap, the front face of the end cap is fixedly connected with a reinforcing plate, the inner wall of the end cap is movably connected with an inner rod, one side of the inner rod is fixedly connected with an end head, one side of the inner rod is fixedly connected with a connecting rod, and the end head is fixedly connected with the connecting rod. The outer wall of the connecting rod is movably connected with a core rod, the inner wall of the core rod is fixedly connected with a reinforcing rod, and the outer wall of the connecting rod is fixedly connected with a connecting block. According to the anti-deformation self-plugging rivet, through the arrangement of the end cap, the reinforcing plate, the core rod and the reinforcing rod, the self-plugging rivet can have the good anti-deformation effect, it can be guaranteed that the end cap cannot be inserted into a mounting hole due to deformation through the reinforcing plate, and the situation that the core rod cannot be matched with a nail gun normally due to deformation and bending can be avoided through the reinforcing rod; therefore, the overall shape of the self-plugging rivet cannot be changed, the situation that the self-plugging rivet cannot be normally used due to deformation and cannot provide reinforcing force is avoided, and the use requirements of people are met.

The invention provides an internal expansion fixed rivet and a manufacturing method thereof, and relates to the technical field of rivets. The sleeve seat is of a cylindrical tubular structure, a cap body is formed at one end of the upper portion of the sleeve seat in an extrusion mode, the rivet core is inserted into the sleeve seat, a punch is formed at one end of the lower portion of the rivet core in an extrusion mode, threads are formed at one end of the upper portion of the rivet core, and two auxiliary grooves are symmetrically formed in the inner wall of the sleeve seat and are each of an annular groove-shaped structure. And the two auxiliary grooves are guide structures for deformation of the sleeve seat. The symmetrical annular auxiliary grooves are formed in the inner wall of the sleeve seat, the rectangular auxiliary holes in the annular array are formed in the corresponding positions of the outer wall, the double structures act synergistically, the deformation resistance of the sleeve seat in the riveting process can be effectively reduced, the traction force borne by the rivet core is reduced, and therefore the risk that the rivet core is broken due to too large stress is greatly reduced, and the riveting quality is improved. And the overall durability of the rivet is improved.

The device for securing a vehicle component (28) in and / or on a vehicle has a sound insulation element (10) comprising a support layer (12) and a sound damping layer (13). Formed in the support layer (12) is an anchoring recess (50) which has an insertion opening (18) in a first face of the support layer (12), adjoining which insertion opening is a receptacle (44) which is delimited by the plastic material of the support layer (12) and is defined by a closed peripheral inner face (48) and a closed base face (66). An anchoring element (24) is also provided. The anchoring recess (50) has a narrowing region (54), which is formed on the peripheral inner face (48) and at least partially narrows the receptacle (66), and a widened widening region (68) which adjoins in the direction of the base face (66). The anchoring element (24) has a anchoring shoulder (58) for engaging behind the narrowing region (54) when the anchoring element (24) is received by the anchoring recess (50).

The present application discloses a lock cylinder, a snap-fit assembly, a vehicle body floor, and a vehicle. The lock cylinder comprises a first shaft section and a second shaft section which are connected to each other; the first shaft section is suitable for being slidably fitted in a through hole of a snap-fit piece; the snap-fit piece comprises a snap claw and a protrusion; the snap claw forms a part of the wall surface of a through hole; the protrusion is arranged on the side of the snap claw facing the axis of the through hole; and the first shaft section can be in sliding contact with the protrusion so as to push the protrusion and the snap claw to move outwards in the radial direction of the through hole. The lock cylinder provided by the present application enables convenient dismount and mount of a functional module where the snap-fit piece is located on the vehicle body floor, such that the utilization rate of the space in the vehicle is high, and the multi-scenario use requirements of the functional module are met.

A fastener 100 includes a sleeve 102, a pin 106, and a visual indicator 112. The sleeve 102 includes a tubular body 104. The pin 106 includes a shank 108. At least a portion of the shank of the pin is configured to extend through the tubular body of the sleeve and to facilitate deformation of a portion of the tubular body into a bulb 110 in response to a force applied to the tubular body of the sleeve by the shank of the pin. The visual indicator is configured to provide a visual verification of correct formation of the bulb.

Self-piercing rivet Self-piercing rivet (10) for producing a joining connection between at least two components comprising a rivet head (12), a rivet free end (16) and a rivet shank (14) extending between the rivet head (12) and the rivet free end (16) along a longitudinal axis (X), the rivet shank (14) having a central shank bore (18) comprising a base (20), the rivet shank (14) comprises a cylindrical shank outer surface (22) and a cylindrical shank inner surface (24) limiting the central shank bore, the rivet free end comprises an outer portion (26), the outer portion (26) connecting the shank inner surface (20) by means of a profile (28) which comprises a cutting radius (R1), the outer portion forming, with the profile having the cutting radius R1, a piercing tip (30) facing away from the rivet head, the shank outer surface (20) has a first diameter (Ds), the central shank bore (18) comprises a bore depth (T) between the base (20) of the central shank bore (18) and the piercing tip (30). The rivet shank (14) has a substantial constant radial thickness (ts) and in cross-section a rivet shank surface which is at least 15 mm², and wherein a deflection angle (B) of the profile (28) is at least of 40 degrees.

The shock absorber rivet comprises a rivet sleeve and a rivet core, an end cap is arranged at the top of the rivet sleeve, through holes are formed in the middle of the rivet sleeve and the middle of the end cap, and internal threads are formed in the bottom of the through hole in the middle of the rivet sleeve. External threads matched with the internal threads are formed in the bottom of the rivet core, a baffle is arranged at the top of the rivet core, the rivet core is contracted inwards through a riveting machine to pass through the baffle and extrude the end cap, the end cap is hollow, the end cap deforms along with continuous extrusion of the baffle to wrap the baffle, and the whole rivet is fixed to the connecting position. And then the rivet core is rotated to be separated from the baffle, and the rivet core can be taken out for reuse.

The utility model relates to the technical field of self-plugging rivets, and discloses a stable installation type self-plugging rivet which comprises a rivet body and a core rivet rod, the core rivet rod is arranged in the rivet body, a fixed end cap is arranged at the end, corresponding to the core rivet rod, of the rivet body, the rivet body comprises an insertion section, a guide section and a deformation section, and a movable end cap is arranged at the end, away from the fixed end cap, of the core rivet rod. According to the scheme, the rivet body is divided into the inserting section, the deformation section and the guide section, the inserting section is of the cone structure, the rivet can be conveniently inserted into a mounting hole of a component to be fastened, the interval is formed between the position, corresponding to the end of the core rivet rod, of the rivet and the mounting hole, radial deformation of the inserting section can be facilitated, and the connection stability is improved; in addition, the guide section and the end of the core rivet rod are connected in an annular conical inserting mode, the inserting acting force can be equally divided, the problem that the blind rivet is loosened and disengaged at the riveting position, and the safety use of the blind rivet is greatly threatened is solved, and the use safety of the blind rivet is further guaranteed.