1020results about "Washers" patented technology

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 roof mount assembly mounts a structure to a roof having a rafter and a substrate supported by the rafter. The roof mount assembly includes a piece of flashing positioned on the substrate. The flashing includes a first surface, a second surface opposite the first surface and an aperture extending through the flashing. A fastener extends through the flashing aperture. A bracket is connected to the flashing via the fastener, and the bracket is sized to support at least one roof-mounted structure on the roof. A seal is positioned between the flashing aperture and the fastener. The seal is sized to form a water-tight seal with the aperture to inhibit flow of fluid through the aperture. The seal includes a first portion and a second portion, in which the first portion is positioned to abut the flashing first surface and the second portion is positioned to extend through the aperture.

The invention relates to the technical field of nuclear fusion, and discloses a supporting device and a method for assembling a vacuum chamber and a cold shield of a nuclear fusion device.The supporting device comprises a first supporting assembly and a second supporting assembly, the first supporting assembly comprises a first clamping piece, a first supporting piece and a first adjusting piece, and the first clamping piece and the first supporting piece are spaced in the first direction and connected through the first adjusting piece; the first adjusting piece can adjust the distance between the first clamping piece and the first supporting piece in the first direction. The second supporting assembly comprises a second clamping piece, a second supporting piece and a second adjusting piece, the second clamping piece and the second supporting piece are spaced in the first direction and connected through the second adjusting piece, and the second adjusting piece can adjust the distance between the second clamping piece and the second supporting piece in the first direction; the third adjusting piece is connected with the first supporting piece and the second clamping piece and can adjust the distance between the first supporting piece and the second clamping piece in the first direction. The cold shield and the vacuum chamber can be clamped, and the gap between the cold shield and the vacuum chamber can be adjusted.

An adjustable chock is provided with a first component having screw threads, a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. At least one of the lower bearing surface of the second component and the upper bearing surface of the bearing element is provided with a coating having a coefficient friction higher than that of the associated bearing surface.

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.

A kit includes an adjustable chock provided with a first component having screw threads and with a second component having screw threads cooperating with the screw threads of the first component and having a lower bearing surface, and with a bearing element provided with a lower bearing surface in contact with an upper bearing surface of the first component, and with an upper bearing surface. The kit further includes at least one friction ring adapted to be mounted against the lower bearing surface of the second component or against the upper bearing surface of the bearing element.

A combined washer comprising an annular disc with a central hole; and a cylindrical stem comprising a textured exterior surface and extending perpendicularly from the first side of the annular disc, wherein the textured exterior surface is configured to create a mechanical lock and avoid slipping.

A flywheel (1100) comprising a plurality of discs (1102) arranged in a stack (1104), including at least first and second end discs at either end of the stack (1104), each of the plurality of discs (1102) including a plurality of disc apertures therethrough, first and second plate members (1106) disposed at opposing ends of the stack (1104), one or both of the first and second plate members (1106) including a plurality of plate apertures (1106a) therethrough for alignment with a corresponding series of disc apertures through the stack (1104), in which one or both of the plate members (1106) includes one or more recesses (1106c) which are disposed on a disc-facing side thereof and positioned adjacent to one or more of the plurality of plate apertures (1106a), and connection means (1114) for clamping the first and second plate members (1106) together about the stack of discs, the connection means (1114) extending through each of the plurality of disc apertures, in which a spacer or space-filling means (1138) is provided between the or each connection means (1114) and the respective disc apertures for supporting the connection means (1114), the spacer or space-filling means (1138) extending from a position within the stack (1104) into the one or more recesses (1106c) of one or both of the plate members (1106).

A flywheel (100) comprising a plurality of discs (102) arranged in a stack (104), including at least first and second end discs at either end of the stack (104), each of the plurality of discs (102) including a plurality of disc apertures (102a) therethrough, first and second plate members (106) disposed at opposing ends of the stack (104), one or both of the first and second plate members (106) including a plurality of plate apertures (106a) therethrough for alignment with the plurality of disc apertures (102a) in the first and second end discs respectively, connection means (114) for clamping the first and second plate members (106) together about the stack (104) of discs (102), the connection means (114) extending through each of the plurality of disc apertures (102a) without contacting the plurality of discs (102).

A nut retainer assembly includes a bond washer and a nut retainer. The bond washer includes a flange portion, a washer coupling portion, a first interior surface, a second interior surface and a bonding surface. The first interior surface is associated with the flange portion and defines an aperture. The second interior surface is associated with the washer coupling portion and includes internal threads. The bonding surface is associated with the flange portion. The nut retainer includes a retainer coupling portion, a nut retaining portion, a first exterior surface and a third interior surface. The first exterior surface is associated with the retainer coupling portion. The third interior surface is associated with the retainer coupling portion and the nut retaining portion. The third interior surface defines a central opening extending. Other nut retainer assemblies, blind fastener systems and methods associated therewith are also disclosed.

A friction spacer adapted to be interposed between two mechanical components in order to transfer a force between the two mechanical components, the friction spacer including a flat part having two opposite surfaces defining a thickness, and a plurality of protuberances projecting from at least one of the surfaces, the protuberances of the plurality of protuberances extending from the at least one of the opposite surfaces by a determined average height. The flat part and the protuberances are produced from the same metal material, and the same metal material continuously extends between the flat part and the protuberances.

A mounting system includes a mounting device. The mounting device includes an internal cavity defined in a side of the mounting device, a first sealant aperture defined in the mounting device and opening into the internal cavity, a second sealant aperture defined in the mounting device and opening into the internal cavity, the first sealant aperture and the second sealant aperture being in fluid communication when the mounting device is placed on a surface for use, and a fastener aperture defined through the internal cavity. The mounting system further includes a coupling bracket including a bottom portion, an underside surface of which is correspondingly shaped in conformance with a shape of an outer surface of a central portion of the mounting device so as to be accommodated thereon when in use, and a fastener to couple the mounting device and the coupling bracket together via the fastener aperture.

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.

The utility model relates to the technical field of retainer ring manufacturing, in particular to a rotating shaft axial limiting anti-disengaging retainer ring which comprises an annular retainer ring body formed by winding a metal wire, the retainer ring body is provided with extending feet corresponding to the two ends of the metal wire in an extending mode, and the pair of extending feet intersect with each other in the plane area of the retainer ring body. The intersection point of the pair of extending feet is located on the outer side of the check ring body, the end portions of the extending feet are bent to be provided with limiting hook portions, and the pair of limiting hook portions extend towards each other in the thickness direction of the check ring body and are staggered; and in the radial outward expansion process of the check ring main body, the pair of limiting hook parts can be mutually hooked so as to prevent the check ring main body from continuously expanding outward. The anti-falling effect is achieved, and the manufacturing cost is low.

A fastening system comprising a fastener and a cage and a sealing element. The fastener is enclosed and held by the cage. The sealing element arranged so that using the fastener places the sealing element in a sealing area between the cage and the fastener.

The utility model discloses a strong pressure resistant nut piece which comprises a nut body, a threaded hole is formed in the nut body, the nut body comprises a hexagonal screwing part and a base, a pressure resistant shell is arranged on the outer side of the hexagonal screwing part in a sleeved mode, and the pressure resistant shell comprises a first pressure resistant plate and a second pressure resistant plate. A cavity is formed between the first pressure-resistant plate and the second pressure-resistant plate, the cavity is filled with an elastic cushion, and the first pressure-resistant plate and the second pressure-resistant plate are fixedly connected through a pressure-resistant column; and one side, far away from the hexagonal screwing part, of the base is connected with a pressure-resistant pad. According to the strong-pressure-resistant nut piece, when the nut piece is tightened through a wrench, the screwing part is sleeved with the pressure-resistant shell, the screwing part of the nut piece is protected, and therefore indentations are prevented from being generated on the surface of the screwing part; and meanwhile, the compression-resistant pad is connected to one side of the base of the nut piece, so that the pressure between the nut piece and the connecting surface is prevented from being too large, the base is prevented from being crushed, and the service life is prolonged.

A device releasably fastens to a workpiece. The device contains a screw and the workpiece is fastened by use of a through-bore for passing the screw. The device contains elastically deformable perforated plates, which each have a through-bore for passing the screw through and thus can be aligned with the workpiece and can be placed against the workpiece such that the screw can be passed through the through-bore of the workpiece and through the through-bore of the first perforated plate and through the through-bore of the second perforated plate. The workpiece, around the first perforated plate, has a predefined free space in the radial direction relative to the axis of the through-bore through the first perforated plate in the predefined, intended assembly position and in a relaxed state of the first perforated plate, such that the first perforated plate can deform elastically in the radial direction to a predefined extent.

A battery assembly for an electric vehicle is provided that has a housing, one or more battery units, and a mounting system. The housing includes a concave shell extending from an upper portion of the housing toward a bottom portion of the housing. The concave shell is disposed around an internal space. A cover is coupled with an edge of the concave shell. The one or more battery units are disposed within the internal space of the housing. The mounting system is for connecting the battery assembly to a vehicle frame.

The invention relates to a friction-increasing sheet (1) for increasing friction force, which is an improvement on the existing metal locking nut, and is characterized in that no convex sheet (3) is arranged on one side of an inner ring (6) of an annular seat sheet, and at least one fan-shaped (4), crescent (5) or eccentric circle-shaped (26) convex sheet (3) is arranged on the other side of the inner ring (6) of the annular seat sheet, so that the asymmetric friction-increasing sheet (1) is formed. And the metal locking nut (13) is riveted on the step (14) to form a new metal locking nut (13). The anti-loosening method is characterized in that the friction increasing sheet (1) transversely pushes and axially extrudes the external thread (24) of the bolt to one side, so that the internal thread (23) of the metal locking nut is not coaxial on the external thread (24) of the bolt, the internal thread (23) of the metal locking nut is fully inclined between gaps (22) and is meshed in a manner that two sawtooth corrugated peaks and valleys are staggered in tooth after being spirally unfolded, and the friction coefficient is increased and the friction force is very large along with the increase of the pre-tightening force; and the anti-loosening performance is greatly improved. The anti-loosening technology and the anti-loosening product are used for anti-loosening fastening of various vibration mechanical devices and facilities.

The utility model relates to the technical field of metal washers, in particular to a self-expansion anti-deformation washer which comprises two connecting washers, the inner ring walls of the two connecting washers are jointly connected with two wear-resistant reinforcing rings in a sleeved mode, the front portions and the rear portions of the upper ends of the two connecting washers are connected with connecting frames in a penetrating mode, and the connecting frames are connected with the connecting washers in a sleeved mode. First contact layers are fixedly connected to the inner ring walls of the two connecting gaskets, clamping grooves are formed in the front portion and the rear portion of the right end of the connecting gasket on the left portion, two first insertion rods are fixedly connected to the front portion and the rear portion of the right end of the connecting gasket on the left portion, and the two clamping grooves are located between the two adjacent first insertion rods correspondingly. Connecting grooves are formed in the front portions and the rear portions of the upper ends of the two connecting gaskets. According to the self-expansion anti-deformation gasket, the wear-resistant reinforcing ring and the connecting frame are arranged, so that the two connecting gaskets can be reinforced in the using process.

A fastening assembly is provided which comprises a compensating element and an isolating member. The compensating element comprises a body having a receiving hole and a retaining flange provided at a first end of the body and having a retaining hole. The isolating member is made of metal and comprises a sleeve portion defining a channel. A fastening element inserted from a second end of the body of the compensating element can enter the channel and move in the channel in one or more lateral directions. The sleeve portion is inserted into the retaining hole and cooperates with the retaining hole to retain the isolating member in the compensating element. The fastening element fastens the compensating element to the second component via the sleeve portion, and the sleeve portion is configured to withstand an axial fastening force exerted by the fastening element on the retaining flange of the compensating element.

The utility model discloses an intelligent gasket structure which comprises a lower gasket body, a pressure sensor and an upper gasket body. A first through hole for a bolt to penetrate through is formed in the center of the lower pad body; the pressure sensor is annular, the pressure sensor is fixed on the upper surface of the lower pad body in an overlapping manner, and the pressure sensor is provided with a second through hole for the bolt to pass through; the upper pad body is fixed on the upper surface of the pressure sensor in an overlapped mode, a third through hole for the bolt to penetrate through is formed in the center of the upper pad body, and the third through hole is communicated with the second through hole in an up-down opposite mode. The product is composed of the lower pad body, the pressure sensor and the upper pad body, the pressure sensor is clamped between the lower pad body and the upper pad body, the pressure sensor can be used for sensing the pressure borne by the product in real time, when the sensed pressure becomes small, it is indicated that the nut and the bolt are loosened, the intelligent degree is effectively improved, and the production efficiency is improved. Looseness between the nut and the bolt can be found in time, potential safety hazards are avoided, and convenience is brought to use.

A fastening system may include a union plate with four perforated holes aligned with mat corners. A device may include threaded receiver nuts within the perforated holes of the union plate. A device may include a tapered bolt with a threaded end, configured to engage the receiver nuts. A device may include a rubber washer and a tapered steel washer with a tapered center hole, arranged in the bolt assembly.

A pair of wedge lock washers with a first wedge lock washer and with a second wedge lock washer. The two washers each have a fastener opening arranged in alignment with one another, a wedge surface structure which engages with one another on their mutually facing surfaces, and clamping structures on their surfaces facing away from one another. One of the two washers has a larger outer diameter than the other washer, and has a rotary drive contour on the radial outside for torque support of a clamping tool. The clamping structures of the washer with the larger diameter are arranged at an axial distance from the disk surface in the inner disk area thereof and are designed for the form-fitting embossing of the same into the surface of a component adjacent thereto. The apexes of the wedge surface structuring are located as positive structures on the mutually facing surfaces of the wedge lock washers in a respective plane. The planes of the disk surfaces of the wedge lock washer with the smaller diameter are arranged parallel to one another.

A collated-screw-band assembly comprises a loading band, multiple shoulder washers, and multiple screws. The loading band has multiple positioning hole sets linearly spaced apart and comprising a positioning hole and multiple bendable positioning clips surrounding the positioning hole. The shoulder washer comprises an annular body mounted through the positioning hole and a limiting rim extending outwardly from the annular body and abutting the positioning clips. A rod portion of one of the screws is mounted through the shoulder washer. A head portion of said screw and the limiting rim of the corresponding shoulder washer clamp the corresponding positioning clips and the loading band. When the collated-screw-band assembly drops or is impacted, the screws and the shoulder washers distribute the impact, thereby increasing assembling stability.

The utility model provides a preloading tightening torque gasket, and belongs to the technical field of bolt gaskets. Comprising a bolt and further comprises a gasket body, a plurality of triangular clamping blocks are fixedly connected to the lower end of the bolt, and triangular clamping grooves equal to the triangular clamping blocks in number are formed in the upper end of the gasket body in a penetrating mode. The bolt is rotated in the direction of the threads until the bolt moves downwards to make contact with the surface of the convex hull, then the bolt continues to be rotated, due to the downward pressure effect of the bolt, the convex hull generates downward compression deformation, the bolt and the gasket body are extruded, the friction force between the bolt and the gasket body is increased, and the service life of the gasket body is prolonged. The bolt and the gasket body are not prone to generating displacement of relative movement, firmness and stability of connection of the bolt and the gasket body are improved, the bolt for fixing parts on an automobile is not prone to loosening, and driving safety of the automobile is improved.