6553results about "Locking fasteners" patented technology

A heat dissipation unit includes a main body and a plurality of fixing elements. The main body has a heat receiving zone and a plurality of through holes formed at four corners outside the heat receiving zone. The fixing elements are mounted in the through holes and respectively include a screw having a spring fitted thereon; a sleeve disposed outside the screw and the spring and having a pair of windows formed near an upper end; and a spring retaining ring fitted around the sleeve and having a pair of upward extended hooked arms extended through the windows to compress the spring in the sleeve. When the fixing elements have been assembled to the main body, the springs can be released at the same time and can therefore apply even downward forces synchronously for the main body to closely and evenly contact with a bare die heat source.

A reaction washer includes a main body that defines an inner diameter that slidingly receives an associated threaded element therethrough so as to define a rotation axis. The main body includes a top surface and a bottom surface that face in opposite directions. The reaction washer also includes a first raised friction inducing surface that extends from at least one of the top surface and the bottom surface so as to be nonconcentric with respect to the rotation axis.

A device for compensating for tolerances between two components to be connected to one another, where the device may have a base element for fastening to one of the components. The device may also have a compensating element that is arranged to be axially movable and adjustable to compensate for tolerances relative to the base element. The compensating element may have a through-opening in which a mating connecting element for the connecting element is arranged. The mating connecting element and the compensating element are set up relative to one another in such a way that the compensating element for compensating for axial tolerances between the two components is movable relative to the base element in the direction opposite to the insertion direction.

A threaded fastener for securing a plate to a layered substrate is provided, as well as methods for installing the threaded fastener. An exemplary threaded fastener may include a head, and a shank having a longitudinal axis between a first end and a second end. The shank may be connected to the head at the second end. The shank may have a pointed terminus at the first end. The shank may have a first portion between the first end and a transition region. The first portion may include a first thread having a first thread profile that encircles the first portion. The shank may have a second portion between the transition region and the second end. The transition region may reside between the first portion and the second portion. The second portion may include a second thread having a second thread profile that encircles the second portion.

A threaded fastener for securing a plate to a layered substrate is provided, as well as methods for installing the threaded fastener. An exemplary threaded fastener may include a head, and a shank having a longitudinal axis between a first end and a second end. The shank may be connected to the head at the second end. The shank may have a pointed terminus at the first end. The shank may have a first portion between the first end and a transition region. The first portion may include a first thread having a first thread profile that encircles the first portion. The shank may have a second portion between the transition region and the second end. The transition region may reside between the first portion and the second portion. The second portion may include a second thread having a second thread profile that encircles the second portion.

Alloy elements are reasonably matched, N and nitrides are added to form elements such as tungsten W, vanadium V, niobium Nb, cobalt Co, rare earth RE and the like for microalloying smelting, a forged and rolled material finished product is subjected to proper heat treatment, and the stainless steel subjected to heat treatment has good heat treatment performance through metallographic observation. According to the stainless steel, nanoscale carbides are separated out in a solid solution state, and fine particles mainly containing nitrides are dispersed and separated out in crystals in a thermodynamic state, so that the material is strengthened and does not diffuse to a crystal boundary, and the room-temperature mechanical property and the high-temperature mechanical property of the material are greatly improved; and when the stainless steel material produced by the method is used for manufacturing related products, the thickness of the stainless steel material can be reduced, and the overall input of the stainless steel material is greatly reduced, so that the large-scale application of noble metal strategic resource nickel is saved, and the aims of saving resources, energy and investment are fulfilled.

A wall fastener assembly for use with a building wall system, with the wall fastener assembly including a fastener and an elongated, semi-rigid seal member. The fastener includes a shaft and a head, with the fastener configured to be secured to the wall system. The seal member includes opposed first and second ends, and a center bore that extends along the length of the seal member and is configured to receive the shaft of the fastener. When the fastener is secured to the wall system the first end of the seal member is configured to compress against a portion of the wall system, such as against a vapor barrier, to form a first seal and the opposite second end of the seal member is configured to form a second seal to thereby seal the wall fastener assembly against the wall system.

The invention relates to a three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system, and belongs to the technical field of curtain walls. The three-dimensional adjustable hyperbolic special-shaped GRC curtain wall system comprises a keel frame, a curtain wall plate and a connecting cross rod, the connecting cross rod is fixedly connected to the end, facing the keel frame, of the curtain wall plate, and the surface of the connecting cross rod is sleeved with a connecting component in threaded connection with the keel frame; the connecting component comprises a first locking assembly in threaded connection with the keel frame, the top of the first locking assembly is fixedly connected with a depth adjusting assembly, and the top of the depth adjusting assembly is fixedly connected with a lateral adjusting assembly; an installation worker can trigger the anti-loosening assembly to discharge the liquid sealant while installing the second locking assembly, and the connecting components are integrally bonded and fixed together, so that the problem that an existing hyperbolic special-shaped GRC curtain wall system with a three-dimensional adjustable function is prone to loosening and even falling off due to the influence of external force is solved.

A solar mounting system includes at least one photovoltaic module (“PV module”) having a module frame and a support structure including at least one elongated support rail configured to support the at least one photovoltaic module (“PV module”). A fastener assembly or hardware stack is used to mount and secure the at least one PV module to the elongated support rail of the solar mounting system. The fastener assembly includes a fastener having a fastener head including at least one abutment surface that prevents rotation of the fastener during mounting of the PV module to the support structure, and, optionally, at least one projection that pierces a protective coating applied to the PV module to thereby establish an electrical bond and grounding of the PV module with the support structure during installation.

To inexpensively provide an anti-loosening wedge washer device capable of firmly preventing loosening caused by aging such as wood shrinkage for a long period of time, in joint parts of a wooden building using bolts and nuts.SOLUTION: In a device that prevents loosening of screws caused by shrinkage of joined parts by increasing a thickness of a washer, a general shape of the washer is a frustum-shaped lid washer, and a frustum-shaped collar is protruded coaxially with a concave surface side bolt insertion hole, and an annular wooden wedge with a volume larger than a tapered space formed inside the washer is pressed into the space by screw fastening action during fastening, so that the shrinkage of the joined parts can be compensated for by expansion restoring force of the annular wooden wedge stored in the washer. Therefore, a gap caused by wood shrinkage is replaced by the increased thickness of a washer device, thereby preventing loosening of a joint part for a long period of time.SELECTED DRAWING: Figure 1

A lock tab washer includes a washer body, the washer body defining a first side and a second side opposite the first side, the washer body defining a hole therethrough; an edge tab extending from the first side of the washer body, the edge tab define a first section and a second section, the second section bent relative to the first section; a nut tab extending from the second side of the washer body, the nut tab bent relative to the washer body; and a wing extending from the nut tab, the wing bent relative to the nut tab.

A connector having a head that holds a first component and a body connected to the head. The body has a central channel extending along a central axis of the connector, and the central channel receives a fastener. The body has at least two resilient legs. The resilient legs extend obliquely toward the central axis in a direction from the body to the head. The resilient legs engage with the fastener, to attach the connector to the fastener.

Examples relate to a wing-nut (114) for a tolerance compensating fastener (100) cooperable with a threaded fastening element (116). The wing-nut (114) having a rigid insert (306) and a body component (300). The rigid insert (306) formed as a hollow cylindrical body and comprising a plurality of retention elements (308) and a plurality of threads (302) formed on an inner wall of the hollow cylindrical body. The body component (300) surrounding the rigid insert (306), the body component (300) having an opening, coaxial with a central longitudinal axis of the rigid insert (306), to create a through-hole with the hollow cylindrical body to receive the threaded fastening element (116). Each of the plurality of retention elements (308) is encapsulated by the body component (300) to be interlocked and fixed in the body component (300).

The invention discloses a double-acting integrated hydraulic nut and a hydraulic nut system. The double-acting integrated hydraulic nut comprises a cylinder body, a piston, a cylinder cover, a locking nut, an outer hexagon head bolt and a locking sleeve. A mounting plane attached to a workpiece is arranged at the bottom of the cylinder body, and the piston is arranged in an inner cavity of the cylinder body in an axial sliding mode. The outer hexagonal head bolt sequentially penetrates through the axial through hole of the piston and the bottom of the cylinder body, and the threaded end of the outer hexagonal head bolt is meshed with a workpiece in a threaded mode. The cylinder cover is arranged at the top of the cylinder body; the locking nut is in threaded connection with the piston rod and is in contact with the top surface of the cylinder cover; a pressurizing oil port connected with a hydraulic pump station is formed in the side wall of the cylinder body. The hexagonal head of the outer hexagonal head bolt is sleeved with the locking sleeve which is in driving connection with the electric wrench. Due to the fact that the bearing seat bolts are compact in layout and large in bolt pre-tightening force requirement, the experiment platform can be rapidly mounted and dismounted, and working time and cost are greatly reduced.

The utility model relates to the technical field of flanges, in particular to a high-compression-resistance flange which comprises a high-strength flange body, a plurality of bolt holes are formed in the surface of the high-strength flange body, steel sleeves are fixedly inserted into the bolt holes and used for being arranged between bolts and the bolt holes in a sleeved mode, rubber clamping strips are fixedly inserted into the surfaces of the steel sleeves, and the rubber clamping strips are used for being arranged between the bolts and the bolt holes in a sleeved mode. The rubber clamping strip is integrally formed on the surface of the rubber sleeve, and the rubber sleeve is fixedly arranged at the end of the steel sleeve in a sleeving mode. The flange with the high compression resistance has the advantages that the steel sleeves of the I-shaped round pipe structures are additionally arranged in the bolt holes, and the design of the reinforcing ribs is combined, so that the compression resistance of the bolt holes is remarkably improved. The steel sleeve and the reinforcing ribs of the steel sleeve form a firm supporting framework, deformation of the bolt holes under high pressure is effectively prevented, and the overall stability and safety of the flange are guaranteed.

The utility model provides an anti-loose double-end fastening bolt, and belongs to the technical field of bolts. An anti-loosening double-end fastening bolt comprises a bolt body, a hexagonal cap is fixed to the peripheral side of the bolt body, the peripheral side of the bolt body is further sleeved with a first nut and a second nut, the first nut and the second nut are located on the two sides of the hexagonal cap, and an anti-loosening assembly is further arranged on the peripheral side of the bolt body; the anti-loosening assembly comprises a first pressing plate and a second pressing plate, the first pressing plate is located between the first nut and the hexagonal cap, the second pressing plate is located between the second nut and the hexagonal cap, at least two inner limiting rods are fixed to the first pressing plate, and at least two outer limiting rods are fixed to the second pressing plate. Under the limitation of the anti-loosening assembly, the first nut and the second nut can be mutually connected, the phenomenon that the first nut and the second nut are loosened is effectively avoided, the first nut and the second nut cannot be loosened, and the bolt can be effectively prevented from being loosened under the blocking of the first nut and the second nut.

An assembly having a chassis, two supports with a plate and a guide, a nesting system with a bore, a reservoir containing an extinguishing fluid and with two fastening tabs, two bearing tabs and a peg, and a fastener. The reservoir is able to move in translation between a premounting position in which each fastening and bearing tab rests on a plate and each guide guides the fastening and bearing tabs to align the peg and the bore, and a mounting position in which each fastening tab rests on the plate, the peg is introduced into the bore, the bearing tabs no longer rest on the plates and the fastener fastens each fastening tab to the plate. Such an assembly allows the reservoir to be withdrawn and put in place quickly and easily.

A locking-mode-selectable lock bolt and nut device comprises a bolt and a nut, the main fastening nut is arranged on the bolt in a sleeving manner; the fixed locknut is arranged on the bolt in a sleeving manner and is positioned above the main fastening nut; wherein a bolt locking groove is formed in the outer wall of one side of the bolt in the length direction, the section of the bolt locking groove is triangular, an acute angle is formed by two side faces in the bolt locking groove, one side face is arranged in the radial direction of the bolt, and the other side face is an inclined face; mounting through holes are symmetrically formed in two opposite surfaces of the fixed locknut, and a screw hole, a round hole and a square hole are sequentially formed in each mounting through hole from outside to inside; the inner diameter of the round hole is larger than that of the screw hole, and the width of the square hole is smaller than that of the round hole. And the two locking assemblies are respectively inserted into the two mounting through holes of the fixed locknut.

A method and fastening device for attaching polyester fiber panels to a substrate, such as a wall or a ceiling. The fastening device comprises an anchor part for attachment to the substrate and a fastening part for attachment to the panel. The fastening part comprises a cylindrical portion, a helical member surrounding the cylindrical portion for penetrating the panel upon rotation of the helical member and a recess in the cylindrical portion for receiving the anchor part. The thread angle of the leading edge of the helical member is greater than the thread angle of the trailing edge.

The utility model discloses a fastening assembly, a product, a product assembly and a connector. The fastening assembly comprises a rivet nut which comprises a first flange formed on the outer side of the rivet nut and an end face located at one end of the rivet nut; and the bolt is suitable for being connected with the rivet nut and is provided with a positioning flange. The fastening assembly is suitable for penetrating through the first through hole in the first component and the second through hole in the second component and is used for fastening the first component and the second component. The positioning flange of the bolt is suitable for abutting against the end face of the rivet nut, and the first flange of the rivet nut and the first component are suitable for abutting against one side of the second component. When the bolt penetrating through the fastening assembly of the first component and the second component is tightened, the rivet nut deforms under pulling of the bolt and forms a second flange abutting against the other side of the second component, so that the rivet nut is riveted to the second component and the first component and the second component are fastened together. According to the utility model, the installation step of fastening the first component to the second component is simplified, and the cost is reduced.

The invention discloses a self-tightening spring (1) which is characterized in that a bolt hook (2) is arranged at one end of a tension spring main body (24) and is linear, and a nut hook (3) is arranged at the other end of the tension spring main body (24) and is an L-shaped inverted-inserting hook. The matched bolt (6) is characterized in that the tail end of a common bolt is provided with a bolt hook hole (4), and the bolt hook hole (4) is a radial through hole into which a bolt hook (2) can be inserted. The nut is characterized in that at least one nut hook hole (5) and a blind hole parallel to the hexagonal side face and the end face of the nut at the same time are formed in the hexagonal side face of a common nut. The invention further discloses an anti-loosening thread pair (25), which is characterized in that the bolt hook (2) is inserted into the bolt hook hole (4), the nut hook (3) is lengthened and inversely inserted into the nut hook hole (5), the tension spring body (24) is screwed around the screw rod (7) to tighten the nut (9) and the bolt (6), energy is continuously compensated, loosening displacement of the thread pair is self-tightened, and the purpose of never loosening is achieved.

The present disclosure provides a tolerance compensation fastening assembly for fastening a second part to a first part by cooperating with a nut element provided on the first part. The tolerance compensation fastening assembly comprises a bolt, a compensation element, a connection element, and a holding means. The compensation element comprises a body and a flange, and the flange is provided at one end of the body and defines a compensation hole in communication with a channel of the body. A bolt head is accommodated in the channel and is blocked by the flange, and a bolt rod passes through the compensation hole. The connection element comprises a connection disc and connection legs, and the flange is located between the bolt head and the connection disc. The connection disc is provided with a connection hole to receive the bolt rod. The connection legs are configured to connect the connection disc to the second part. The holding means is provided on the connection disc and the bolt rod, and is configured to couple the bolt rod to the connection disc to prevent the bolt rod from being withdrawn from the connection hole, thereby holding the bolt, the compensation element and the connection element in a pre-assembled position.

A pulley system for a weight lifting apparatus includes a swivel bracket attached to a V brace bracket on one side and a pulley bracket on the other side along with a V brace attached to the V brace bracket, and a pulley attached to the pulley bracket. This arrangement of the V brace, the V brace bracket, the swivel bracket, the pulley, and the pulley bracket along with a plurality of first washers collectively form a main assembly. The main assembly is fastened to a beam on the weight lifting apparatus using a conical tapered nut.

The utility model discloses an inner clamping ring clasping type locknut which comprises a nut body, an inner thread groove is formed in the inner wall of the nut body, two groups of anti-loosening clasping assemblies are arranged in the nut body, and the number of the anti-loosening clasping assemblies is larger than the number of the anti-loosening clasping assemblies. The anti-loosening enclasping assembly comprises an arc-shaped mounting groove, a compression spring, an annular limiting block, an arc-shaped limiting groove, a screw rod, a cup head, threaded holes, an inner hexagonal limiting groove and a slope groove, and the threaded holes are formed in the left side and the right side of the outer surface of the upper end of the nut. According to the inner clamping ring enclasping type locknut, through the arrangement of the annular limiting block and the compression spring, one end of the annular limiting block can be conveniently clamped in the groove edge of the outer wall of the screw after the nut and the external screw are installed, the nut is prevented from loosening and falling off, stability is improved, and the nut can be tightly clamped by rotating the screw. And one end of the annular limiting block can be driven to be separated from the groove edge of the outer wall of the screw, so that the nut is convenient to disassemble.

The utility model discloses an anti-loosening and anti-deflection fast-assembling plate for camera shooting and digital products, which belongs to the technical field of accessories of camera shooting and digital products and comprises a fast-assembling plate and a large screw, a containing groove is arranged on the lower side of the fast-assembling plate, and the large screw is arranged in the containing groove. An anti-loosening fastening part used for preventing the camera shooting equipment from loosening is arranged between the large screw and the quick mounting plate, the anti-loosening fastening part comprises a connecting hole, a positioning hole and a fixing piece, the connecting hole is formed in the screw head of the large screw, the positioning hole is formed in the top of the inner side of the containing groove, and the fixing piece is connected with the positioning hole. And the fixing piece can be in threaded connection between the connecting hole and the positioning hole. According to the utility model, the problem that after a traditional quick release plate is used, the traditional quick release plate and the camera shooting equipment are loosened in the using process is solved.

The utility model discloses a crossover flange connecting piece structure which comprises a first flange and a second flange, the side wall of the first flange and the side wall of the second flange are communicated with pipelines, through holes used for installing screws are symmetrically formed in the first flange and the second flange, and the outer portions of the screws are in threaded connection with nuts. A rectangular groove used for installing a sleeve is formed in the first flange, a movable rod is movably arranged in the sleeve, the movable rod is driven to move outwards by sliding the movable rod, so that a stopping block is driven to move till the stopping block abuts against a nut, and at the moment, the movable rod can be loosened; and the movable rod can abut against the other through hole in the first flange under the action of the first spring, the movable rod and the stopping block are limited through the movable rod, then the nut is limited through the stopping block, and the situation that the nut is prone to loosening due to vibration and other factors is effectively prevented.

The present invention relates to a device for adjusting the camber angle for a suspension of a motor vehicle comprising a stem. A tightening assembly is tightened on a first end portion of the stem, against a first wall of a suspension. A head assembly, on a second end portion of the stem, abuts against a second wall of the suspension. In the head assembly, a first eccentric element, removably mounted on the stem, is configured to act as a cam on a first abutment portion of the suspension. The head assembly is characterized in that it comprises a locking assembly, configured to prevent the removal of the first eccentric element. The locking assembly comprises an elastic member snap engageable in a locking seat of the second end portion of the stem.

The utility model discloses a clamping structure of a wind turbine generator monitoring device, and belongs to the technical field of wind power equipment monitoring. Comprising a wind turbine generator which is fixed to the ground, and further comprises a base, connecting pieces, a clamping box body, connecting holes, connecting plates, elastic clamping rings, reinforcing blocks, a monitoring supporting plate and matching holes, the base is vertically arranged, the connecting pieces are fixed to the two horizontal sides of the base, and a plurality of mounting holes are formed in the connecting pieces; the connecting pieces are fixedly connected with the wind turbine generator by inserting bolt fasteners into the mounting holes, a space exists between the base and the wind turbine generator to form a wire harness channel, and the clamping box body is fixed to the side, away from the wind turbine generator, of the base. After the connecting piece is fixedly connected with the wind turbine generator, the connecting plate is inserted into the clamping cavity, the clamping hole is aligned with the connecting hole to form the connecting channel, then the connecting piece is inserted into the connecting channel, the reinforcing block and the clamping box body can be clamped and fixed, and installation is convenient and fast.

The utility model discloses an anti-loosening double-nut pressing type quick coupler, and relates to the technical field of sealing couplings. Comprising a connector body, and a continuous fifth threaded section is arranged on the outer wall of the connector body; the locknut set comprises a fastening nut and a locking nut, a fixed section is formed at one end of the fastening nut, a continuous first threaded section matched with the fifth threaded section is arranged on the inner wall of the fastening nut and the inner wall of the fixed section, a second threaded section is arranged on the outer diameter of the fixed section, a locking section is formed at one end of the locking nut, and the locking section is matched with the second threaded section. A third threaded section matched with the second threaded section is arranged on the inner wall of the locking section, and a fourth threaded section matched with the fifth threaded section is arranged on the inner wall of the locking nut; the fastening nut and the locking nut are in threaded connection through the second threaded section and the third threaded section, and the locking nut is in threaded connection with the fifth threaded section on the connector body through the fourth threaded section. The fastening nut and the locking nut are fixed in a detachable connection mode.